diff options
| -rw-r--r-- | demos/modules/gaudin/gfxconf.h | 105 | ||||
| -rw-r--r-- | demos/modules/gaudin/gwinosc.c | 190 | ||||
| -rw-r--r-- | demos/modules/gaudin/gwinosc.h | 95 | ||||
| -rw-r--r-- | demos/modules/gaudin/main.c | 67 | ||||
| -rw-r--r-- | demos/modules/gaudin/results_264x264.jpg | bin | 0 -> 19614 bytes | |||
| -rw-r--r-- | drivers/gadc/AT91SAM7/gadc_lld_config.h | 7 | ||||
| -rw-r--r-- | drivers/gaudin/gadc/gaudin_lld.c | 76 | ||||
| -rw-r--r-- | drivers/gaudin/gadc/gaudin_lld.mk | 5 | ||||
| -rw-r--r-- | drivers/gaudin/gadc/gaudin_lld_board_olimexsam7ex256.h | 60 | ||||
| -rw-r--r-- | drivers/gaudin/gadc/gaudin_lld_config.h | 79 | ||||
| -rw-r--r-- | include/gadc/gadc.h | 34 | ||||
| -rw-r--r-- | include/gaudin/gaudin.h | 350 | ||||
| -rw-r--r-- | include/gaudin/lld/gaudin_lld.h | 105 | ||||
| -rw-r--r-- | include/gfx.h | 340 | ||||
| -rw-r--r-- | include/gfx_rules.h | 11 | ||||
| -rw-r--r-- | include/gmisc/gmisc.h | 214 | ||||
| -rw-r--r-- | src/gadc/gadc.c | 11 | ||||
| -rw-r--r-- | src/gaudin/gaudin.c | 196 |
18 files changed, 1449 insertions, 496 deletions
diff --git a/demos/modules/gaudin/gfxconf.h b/demos/modules/gaudin/gfxconf.h new file mode 100644 index 00000000..4222acb4 --- /dev/null +++ b/demos/modules/gaudin/gfxconf.h @@ -0,0 +1,105 @@ +/** + * This file has a different license to the rest of the GFX system. + * You can copy, modify and distribute this file as you see fit. + * You do not need to publish your source modifications to this file. + * The only thing you are not permitted to do is to relicense it + * under a different license. + */ + +/** + * Copy this file into your project directory and rename it as gfxconf.h + * Edit your copy to turn on the GFX features you want to use. + */ + +#ifndef _GFXCONF_H +#define _GFXCONF_H + +/* GFX sub-systems to turn on */ +#define GFX_USE_GDISP TRUE +#define GFX_USE_TDISP FALSE +#define GFX_USE_GWIN TRUE +#define GFX_USE_GEVENT FALSE +#define GFX_USE_GTIMER TRUE +#define GFX_USE_GINPUT FALSE +#define GFX_USE_GADC TRUE +#define GFX_USE_GAUDIN TRUE +#define GFX_USE_GAUDOUT FALSE +#define GFX_USE_GMISC FALSE + +/* Features for the GDISP sub-system. */ +#define GDISP_NEED_VALIDATION TRUE +#define GDISP_NEED_CLIP TRUE +#define GDISP_NEED_TEXT FALSE +#define GDISP_NEED_CIRCLE FALSE +#define GDISP_NEED_ELLIPSE FALSE +#define GDISP_NEED_ARC FALSE +#define GDISP_NEED_SCROLL FALSE +#define GDISP_NEED_PIXELREAD FALSE +#define GDISP_NEED_CONTROL FALSE +#define GDISP_NEED_MULTITHREAD TRUE +#define GDISP_NEED_ASYNC FALSE +#define GDISP_NEED_MSGAPI FALSE + +/* GDISP - builtin fonts */ +#define GDISP_OLD_FONT_DEFINITIONS FALSE +#define GDISP_INCLUDE_FONT_SMALL FALSE +#define GDISP_INCLUDE_FONT_LARGER FALSE +#define GDISP_INCLUDE_FONT_UI1 FALSE +#define GDISP_INCLUDE_FONT_UI2 FALSE +#define GDISP_INCLUDE_FONT_LARGENUMBERS FALSE + +/* Features for the TDISP subsystem. */ +#define TDISP_NEED_MULTITHREAD FALSE + +/* Features for the GWIN sub-system. */ +#define GWIN_NEED_BUTTON FALSE +#define GWIN_NEED_CONSOLE FALSE +#define GWIN_NEED_GRAPH FALSE + +/* Features for the GEVENT sub-system. */ +#define GEVENT_ASSERT_NO_RESOURCE FALSE + +/* Features for the GTIMER sub-system. */ +/* NONE */ + +/* Features for the GINPUT sub-system. */ +#define GINPUT_NEED_MOUSE FALSE +#define GINPUT_NEED_KEYBOARD FALSE +#define GINPUT_NEED_TOGGLE FALSE +#define GINPUT_NEED_DIAL FALSE + +/* Features for the GADC sub-system. */ +/* NONE */ + +/* Features for the GAUDIN sub-system. */ +/* NONE */ + +/* Features for the GAUDOUT sub-system. */ +/* NONE */ + +/* Features for the GMISC sub-system. */ +#define GMISC_NEED_ARRAYOPS FALSE + +/* Optional Parameters for various sub-systems */ +/* + #define GDISP_MAX_FONT_HEIGHT 16 + #define GEVENT_MAXIMUM_SIZE 32 + #define GEVENT_MAX_SOURCE_LISTENERS 32 + #define GTIMER_THREAD_WORKAREA_SIZE 512 + #define GADC_MAX_LOWSPEED_DEVICES 4 +*/ + +/* Optional Low Level Driver Definitions */ +/* + #define GDISP_USE_CUSTOM_BOARD FALSE + #define GDISP_SCREEN_WIDTH 320 + #define GDISP_SCREEN_HEIGHT 240 + #define GDISP_USE_FSMC + #define GDISP_USE_GPIO + #define GDISP_VMT_NAME1(x) x##YourDriver1 + #define GDISP_VMT_NAME2(x) x##YourDriver2 + #define TDISP_COLUMNS 16 + #define TDISP_ROWS 2 +*/ + +#endif /* _GFXCONF_H */ diff --git a/demos/modules/gaudin/gwinosc.c b/demos/modules/gaudin/gwinosc.c new file mode 100644 index 00000000..a5de7e38 --- /dev/null +++ b/demos/modules/gaudin/gwinosc.c @@ -0,0 +1,190 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * --------------------------- Our Custom GWIN Oscilloscope --------------- + * + * This GWIN superset implements a simple audio oscilloscope using the GAUDIN module. + * + * It makes many assumptions, the most fundamental of which is that the audio device + * produces unsigned integer samples. + * + * The GMISC module with GMISC_NEED_ARRAYOPS could be used to process the samples more + * correctly if we were really building something generic. + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#include "gwinosc.h" + +/* Include internal GWIN routines so we can build our own superset class */ +#include "gwin/internal.h" + +/* Our GWIN identifier */ +#define GW_SCOPE (GW_FIRST_USER_WINDOW+0) + +/* The size of our dynamically allocated audio buffer */ +#define AUDIOBUFSZ 64*2 + +/* How many flat-line sample before we trigger */ +#define FLATLINE_SAMPLES 8 + +GHandle gwinCreateScope(GScopeObject *gs, coord_t x, coord_t y, coord_t cx, coord_t cy, uint16_t channel, uint32_t frequency) { + /* Initialise the base class GWIN */ + if (!(gs = (GScopeObject *)_gwinInit((GWindowObject *)gs, x, y, cx, cy, sizeof(GScopeObject)))) + return 0; + + /* Initialise the scope object members and allocate memory for buffers */ + gs->gwin.type = GW_SCOPE; + chBSemInit(&gs->bsem, TRUE); + gs->nextx = 0; + if (!(gs->lastscopetrace = (coord_t *)chHeapAlloc(NULL, gs->gwin.width * sizeof(coord_t)))) + return 0; + if (!(gs->audiobuf = (adcsample_t *)chHeapAlloc(NULL, AUDIOBUFSZ * sizeof(adcsample_t)))) + return 0; +#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP + gs->lasty = gs->gwin.height/2; +#elif TRIGGER_METHOD == TRIGGER_MINVALUE + gs->lasty = gs->gwin.height/2; + gs->scopemin = 0; +#endif + + /* Start the GADC high speed converter */ + gaudinInit(channel, frequency, gs->audiobuf, AUDIOBUFSZ, AUDIOBUFSZ/2); + gaudinSetBSem(&gs->bsem, &gs->myEvent); + gaudinStart(); + + return (GHandle)gs; +} + +void gwinWaitForScopeTrace(GHandle gh) { + #define gs ((GScopeObject *)(gh)) + int i; + coord_t x, y; + coord_t yoffset; + audin_sample_t *pa; + coord_t *pc; +#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP + bool_t rdytrigger; + int flsamples; +#elif TRIGGER_METHOD == TRIGGER_MINVALUE + bool_t rdytrigger; + int flsamples; + coord_t scopemin; +#endif + + /* Wait for a set of audio conversions */ + chBSemWait(&gs->bsem); + + /* Ensure we are drawing in the right area */ + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + + yoffset = gh->height/2 + (1<<SCOPE_Y_BITS)/2; + x = gs->nextx; + pc = gs->lastscopetrace+x; + pa = gs->myEvent.buffer; +#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP + rdytrigger = FALSE; + flsamples = 0; +#elif TRIGGER_METHOD == TRIGGER_MINVALUE + rdytrigger = FALSE; + flsamples = 0; + scopemin = 0; +#endif + + for(i = gs->myEvent.count; i; i--) { + + /* Calculate the new scope value - re-scale using simple shifts for efficiency, re-center and y-invert */ + #if GAUDIN_BITS_PER_SAMPLE > SCOPE_Y_BITS + y = yoffset - (*pa++ >> (GAUDIN_BITS_PER_SAMPLE - SCOPE_Y_BITS)); + #else + y = yoffset - (*pa++ << (SCOPE_Y_BITS - GAUDIN_BITS_PER_SAMPLE)); + #endif + +#if TRIGGER_METHOD == TRIGGER_MINVALUE + /* Calculate the scopemin ready for the next trace */ + if (y > scopemin) + scopemin = y; +#endif + + /* Have we reached the end of a scope trace? */ + if (x >= gh->width) { + +#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP || TRIGGER_METHOD == TRIGGER_MINVALUE + /* Handle triggering - we trigger on the next sample minimum (y value maximum) or a flat-line */ + + #if TRIGGER_METHOD == TRIGGER_MINVALUE + /* Arm when we reach the sample minimum (y value maximum) of the previous trace */ + if (!rdytrigger && y >= gs->scopemin) + rdytrigger = TRUE; + #endif + + if (y == gs->lasty) { + /* Trigger if we get too many flat-line samples regardless of the armed state */ + if (++flsamples < FLATLINE_SAMPLES) + continue; + flsamples = 0; + } else if (y > gs->lasty) { + gs->lasty = y; + flsamples = 0; + #if TRIGGER_METHOD == TRIGGER_POSITIVERAMP + /* Arm the trigger when samples fall (y increases) ie. negative slope */ + rdytrigger = TRUE; + #endif + continue; + } else { + /* If the trigger is armed, Trigger when samples increases (y decreases) ie. positive slope */ + gs->lasty = y; + flsamples = 0; + if (!rdytrigger) + continue; + } + + /* Ready for a the next trigger cycle */ + rdytrigger = FALSE; +#endif + + /* Prepare for a scope trace */ + x = 0; + pc = gs->lastscopetrace; + } + + /* Clear the old scope pixel and then draw the new scope value */ + gdispDrawPixel(gh->x+x, gh->y+pc[0], gh->bgcolor); + gdispDrawPixel(gh->x+x, gh->y+y, gh->color); + + /* Save the value */ + *pc++ = y; + x++; + #if TRIGGER_METHOD == TRIGGER_POSITIVERAMP || TRIGGER_METHOD == TRIGGER_MINVALUE + gs->lasty = y; + #endif + } + gs->nextx = x; +#if TRIGGER_METHOD == TRIGGER_MINVALUE + gs->scopemin = scopemin; +#endif + + #undef gs +} diff --git a/demos/modules/gaudin/gwinosc.h b/demos/modules/gaudin/gwinosc.h new file mode 100644 index 00000000..08244717 --- /dev/null +++ b/demos/modules/gaudin/gwinosc.h @@ -0,0 +1,95 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _GWINOSC_H +#define _GWINOSC_H + +/** + * --------------------------- Our Custom GWIN Oscilloscope --------------- + * + * This GWIN superset implements a simple audio oscilloscope using the GADC high speed device. + * + * It makes many assumptions, the most fundamental of which is that the audio device + * produces unsigned integer samples. + * + * The GMISC module with GMISC_NEED_ARRAYOPS could be used to process the samples more + * correctly if we were really building something generic. + */ + +/* The extent of scaling for our audio data - fixed scale at the moment */ +#ifndef SCOPE_Y_BITS + #define SCOPE_Y_BITS 8 // 8 bits = 0..255 +#endif + +/* Trigger methods */ +#define TRIGGER_NONE 0 /* No triggering */ +#define TRIGGER_POSITIVERAMP 1 /* Trigger on a positive going signal */ +#define TRIGGER_MINVALUE 2 /* Trigger on reaching the minimum value from the last scope */ + +/** + * Which trigger we want to use. + * Experiments suggests that TRIGGER_MINVALUE gives the best result + */ +#ifndef TRIGGER_METHOD + #define TRIGGER_METHOD TRIGGER_MINVALUE +#endif + +/* A scope window object. Treat it as a black box */ +typedef struct GScopeObject_t { + GWindowObject gwin; // Base Class + + coord_t *lastscopetrace; // To store last scope trace + BinarySemaphore bsem; // We get signalled on this + audin_sample_t *audiobuf; // To store audio samples + GEventAudioIn myEvent; // Information on received samples + coord_t nextx; // Where we are up to +#if TRIGGER_METHOD == TRIGGER_POSITIVERAMP + coord_t lasty; // The last y value - used for trigger slope detection +#elif TRIGGER_METHOD == TRIGGER_MINVALUE + coord_t lasty; // The last y value - used for trigger slope detection + coord_t scopemin; // The last scopes minimum value +#endif + } GScopeObject; + +#ifdef __cplusplus +extern "C" { +#endif + + /** + * Create a scope window. + */ + GHandle gwinCreateScope(GScopeObject *gs, coord_t x, coord_t y, coord_t cx, coord_t cy, uint16_t channel, uint32_t frequency); + + /** + * Wait for a scope trace to be ready and then draw it. + */ + void gwinWaitForScopeTrace(GHandle gh); + + /** + * We should also have a special destroy routine here as we have dynamically + * allocated some memory. There is no point implementing this however as, for + * this demo, we never destroy the window. + */ + +#ifdef __cplusplus +} +#endif + +#endif /* _GWINOSC_H */ diff --git a/demos/modules/gaudin/main.c b/demos/modules/gaudin/main.c new file mode 100644 index 00000000..7ca8d228 --- /dev/null +++ b/demos/modules/gaudin/main.c @@ -0,0 +1,67 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * This demo demonstrates the use of the GAUDIN module to read audio channel 0. + * The audio channel gets read to display a very simple oscilloscope. + * + * It also demonstrates how to write your own custom GWIN window type. + */ +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +/* Include our custom gwin audio oscilloscope */ +#include "gwinosc.h" + +/* Specify our timing parameters */ +#define MY_AUDIO_FREQUENCY 4000 /* 4khz */ +#define MY_AUDIO_CHANNEL 0 /* Use channel 0 */ + +/* Data */ +static GScopeObject gScopeWindow; + +/* + * Application entry point. + */ +int main(void) { + GHandle ghScope; + coord_t swidth, sheight; + + halInit(); + chSysInit(); + gdispInit(); + gdispClear(Black); + + /* Get the screen dimensions */ + swidth = gdispGetWidth(); + sheight = gdispGetHeight(); + + /* Set up the scope window to fill the screen */ + ghScope = gwinCreateScope(&gScopeWindow, 0, 0, swidth, sheight, MY_AUDIO_CHANNEL, MY_AUDIO_FREQUENCY); + gwinSetBgColor(ghScope, White); + gwinSetColor(ghScope, Red); + gwinClear(ghScope); + + /* Just keep displaying the scope traces */ + while (TRUE) { + gwinWaitForScopeTrace(ghScope); + } +} diff --git a/demos/modules/gaudin/results_264x264.jpg b/demos/modules/gaudin/results_264x264.jpg Binary files differnew file mode 100644 index 00000000..461d963b --- /dev/null +++ b/demos/modules/gaudin/results_264x264.jpg diff --git a/drivers/gadc/AT91SAM7/gadc_lld_config.h b/drivers/gadc/AT91SAM7/gadc_lld_config.h index 882573c8..8ba71f20 100644 --- a/drivers/gadc/AT91SAM7/gadc_lld_config.h +++ b/drivers/gadc/AT91SAM7/gadc_lld_config.h @@ -60,6 +60,11 @@ */ #define GADC_BITS_PER_SAMPLE AT91_ADC1_RESOLUTION +/** + * @brief The sample format + */ +#define GADC_SAMPLE_FORMAT ARRAY_DATA_10BITUNSIGNED + /* Pull in board specific defines */ #if defined(GADC_USE_CUSTOM_BOARD) && GADC_USE_CUSTOM_BOARD /* Include the user supplied board definitions */ @@ -73,6 +78,6 @@ #endif /* GFX_USE_GADC */ -#endif /* _GDISP_LLD_CONFIG_H */ +#endif /* GADC_LLD_CONFIG_H */ /** @} */ diff --git a/drivers/gaudin/gadc/gaudin_lld.c b/drivers/gaudin/gadc/gaudin_lld.c new file mode 100644 index 00000000..12e6aced --- /dev/null +++ b/drivers/gaudin/gadc/gaudin_lld.c @@ -0,0 +1,76 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +/** + * @file drivers/gaudin/gadc/gaudin.c + * @brief GAUDIN - Driver file for using the cpu ADC (via GADC). + * + * @addtogroup GAUDIN + * + * @{ + */ +#include "ch.h" +#include "hal.h" + +/** + * We are now implementing the driver - pull in our channel table + * from the board definitions. + */ +#define GAUDIN_LLD_IMPLEMENTATION + + +#include "gfx.h" + +#if GFX_USE_GAUDIN + +/* Double check the GADC system is turned on */ +#if !GFX_USE_GADC + #error "GAUDIN - The GADC driver for GAUDIN requires GFX_USE_GADC to be TRUE" +#endif + +/* Include the driver defines */ +#include "gaudin/lld/gaudin_lld.h" + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +void gaudin_lld_init(const gaudin_params *paud) { + /* Setup the high speed GADC */ + gadcHighSpeedInit(gaudin_lld_physdevs[paud->channel], paud->frequency, paud->buffer, paud->bufcount, paud->samplesPerEvent); + + /* Register ourselves for ISR callbacks */ + gadcHighSpeedSetISRCallback(GAUDIN_ISR_CompleteI); + + /** + * The gadc driver handles any errors for us by restarting the transaction so there is + * no need for us to setup anything for GAUDIN_ISR_ErrorI() + */ +} + +void gadc_lld_start(void) { + gadcHighSpeedStart(); +} + +void gadc_lld_stop(void) { + gadcHighSpeedStop(); +} + +#endif /* GFX_USE_GAUDIN */ +/** @} */ diff --git a/drivers/gaudin/gadc/gaudin_lld.mk b/drivers/gaudin/gadc/gaudin_lld.mk new file mode 100644 index 00000000..c969e80b --- /dev/null +++ b/drivers/gaudin/gadc/gaudin_lld.mk @@ -0,0 +1,5 @@ +# List the required driver. +GFXSRC += $(GFXLIB)/drivers/gaudin/gadc/gaudin_lld.c + +# Required include directories +GFXINC += $(GFXLIB)/drivers/gaudin/gadc diff --git a/drivers/gaudin/gadc/gaudin_lld_board_olimexsam7ex256.h b/drivers/gaudin/gadc/gaudin_lld_board_olimexsam7ex256.h new file mode 100644 index 00000000..283a2914 --- /dev/null +++ b/drivers/gaudin/gadc/gaudin_lld_board_olimexsam7ex256.h @@ -0,0 +1,60 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file drivers/gaudin/gadc/gaudin_lld_board_olimexsam7ex256.h + * @brief GAUDIN Driver board config file for the Olimex SAM7EX256 board + * + * @addtogroup GAUDIN + * @{ + */ + +#ifndef _GAUDIN_LLD_BOARD_OLIMEXSAM7EX256_H +#define _GAUDIN_LLD_BOARD_OLIMEXSAM7EX256_H + +/*===========================================================================*/ +/* Audio inputs on this board */ +/*===========================================================================*/ + +/** + * @brief The number of audio channels supported by this driver + */ +#define GAUDIN_NUM_CHANNELS 1 + +/** + * @brief The list of audio channels and their uses + * @{ + */ +#define GAUDIN_MICROPHONE 0 +/** @} */ + +/** + * @brief The following defines are for the low level driver use only + * @{ + */ +#ifdef GAUDIN_LLD_IMPLEMENTATION + static uint32_t gaudin_lld_physdevs[GAUDIN_NUM_CHANNELS] = { + GADC_PHYSDEV_MICROPHONE, + }; +#endif +/** @} */ + +#endif /* _GAUDIN_LLD_BOARD_OLIMEXSAM7EX256_H */ +/** @} */ diff --git a/drivers/gaudin/gadc/gaudin_lld_config.h b/drivers/gaudin/gadc/gaudin_lld_config.h new file mode 100644 index 00000000..402e4180 --- /dev/null +++ b/drivers/gaudin/gadc/gaudin_lld_config.h @@ -0,0 +1,79 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file drivers/gaudin/gadc/gaudin_lld_config.h + * @brief GAUDIN Driver config file. + * + * @addtogroup GAUDIN + * @{ + */ + +#ifndef GAUDIN_LLD_CONFIG_H +#define GAUDIN_LLD_CONFIG_H + +#if GFX_USE_GAUDIN + +/*===========================================================================*/ +/* Driver hardware support. */ +/*===========================================================================*/ + +/** + * @brief The audio input sample type + * @details For this driver it matches the cpu sample type + */ +typedef adcsample_t audin_sample_t; + +/** + * @brief The maximum sample frequency supported by this audio device + * @details For this driver it matches the GADC maximum high speed sample rate + */ +#define GAUDIN_MAX_SAMPLE_FREQUENCY GADC_MAX_HIGH_SPEED_SAMPLERATE + +/** + * @brief The number of bits in a sample + * @details For this driver it matches the cpu sample bits + */ +#define GAUDIN_BITS_PER_SAMPLE GADC_BITS_PER_SAMPLE + +/** + * @brief The format of an audio sample + * @details For this driver it matches the cpu sample format + */ +#define GAUDIN_SAMPLE_FORMAT GADC_SAMPLE_FORMAT + +/** + * For the GAUDIN driver that uses GADC - all the remaining config definitions are specific + * to the board. + */ +#if defined(GADC_USE_CUSTOM_BOARD) && GADC_USE_CUSTOM_BOARD + /* Include the user supplied board definitions */ + #include "gaudin_lld_board.h" +#elif defined(BOARD_OLIMEX_SAM7_EX256) + #include "gaudin_lld_board_olimexsam7ex256.h" +#else + /* Include the user supplied board definitions */ + #include "gaudin_lld_board.h" +#endif + +#endif /* GFX_USE_GAUDIN */ + +#endif /* GAUDIN_LLD_CONFIG_H */ +/** @} */ diff --git a/include/gadc/gadc.h b/include/gadc/gadc.h index be7af516..bd35b30c 100644 --- a/include/gadc/gadc.h +++ b/include/gadc/gadc.h @@ -96,10 +96,15 @@ typedef struct GEventADC_t { } GEventADC; /** - * @brief A callback function (executed in a thread context) + * @brief A callback function (executed in a thread context) for a low speed conversion */ typedef void (*GADCCallbackFunction)(adcsample_t *buffer, void *param); +/** + * @brief A callback function (executed in an ISR context) for a high speed conversion + */ +typedef void (*GADCISRCallbackFunction)(adcsample_t *buffer, size_t size); + /*===========================================================================*/ /* External declarations. */ /*===========================================================================*/ @@ -121,9 +126,9 @@ extern "C" { * @note If the high speed ADC is running it will be stopped. The Event subsystem is * disconnected from the high speed ADC and any binary semaphore event is forgotten. * @note bufcount must be greater than countPerEvent (usually 2 or more times) otherwise - * the buffer will be overwitten with new data while the application is still trying + * the buffer will be overwritten with new data while the application is still trying * to process the old data. - * @note Due to a bug in Chibi-OS countPerEvent must be even. If bufcount is not + * @note Due to a bug/feature in Chibi-OS countPerEvent must be even. If bufcount is not * evenly divisable by countPerEvent, the remainder must also be even. * @note The physdev parameter may be used to turn on more than one ADC channel. * Each channel is then interleaved into the provided buffer. Note 'bufcount' @@ -143,8 +148,7 @@ extern "C" { * @note While the high speed ADC is running, low speed conversions can only occur at * the frequency of the high speed events. Thus if high speed events are * being created at 50Hz (eg countPerEvent = 100, frequency = 5kHz) then the maximum - * frequency for low speed conversions is likely to be 50Hz (although it might be - * 100Hz on some hardware). + * frequency for low speed conversions will be 50Hz. * * @api */ @@ -159,8 +163,8 @@ void gadcHighSpeedInit(uint32_t physdev, uint32_t frequency, adcsample_t *buffer * called first. This saves processing time if the application does * not want to use the GEVENT sub-system for the high speed ADC. * Once turned on it can only be turned off by calling @p gadcHighSpeedInit() again. - * @note The high speed ADC is capable of signalling via this method and a binary semaphore - * at the same time. + * @note The high speed ADC is capable of signalling via this method, an ISR callback and a + * binary semaphore at the same time. * * @api */ @@ -168,6 +172,20 @@ void gadcHighSpeedInit(uint32_t physdev, uint32_t frequency, adcsample_t *buffer #endif /** + * @brief Allow retrieving of results from the high speed ADC using an ISR callback. + * + * @param[in] isrfn The callback function (called in an ISR context). + * + * @note Passing a NULL for isrfn will turn off signalling via this method as will calling + * @p gadcHighSpeedInit(). + * @note The high speed ADC is capable of signalling via this method, a binary semaphore and the GEVENT + * sub-system at the same time. + * + * @api + */ +void gadcHighSpeedSetISRCallback(GADCISRCallbackFunction isrfn); + +/** * @brief Allow retrieving of results from the high speed ADC using a Binary Semaphore and a static event buffer. * * @param[in] pbsem The binary semaphore is signaled when data is available. @@ -175,7 +193,7 @@ void gadcHighSpeedInit(uint32_t physdev, uint32_t frequency, adcsample_t *buffer * * @note Passing a NULL for pbsem or pEvent will turn off signalling via this method as will calling * @p gadcHighSpeedInit(). - * @note The high speed ADC is capable of signalling via this method and the GEVENT + * @note The high speed ADC is capable of signalling via this method, an ISR callback and the GEVENT * sub-system at the same time. * * @api diff --git a/include/gaudin/gaudin.h b/include/gaudin/gaudin.h index 6f35ba19..8c5d658a 100644 --- a/include/gaudin/gaudin.h +++ b/include/gaudin/gaudin.h @@ -1,170 +1,180 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * @file include/gaudin/gaudin.h
- * @brief GAUDIN - Audio Input subsystem header file.
- *
- * @addtogroup GAUDIN
- *
- * @{
- */
-
-#ifndef _GAUDIN_H
-#define _GAUDIN_H
-
-#include "gfx.h"
-
-#if GFX_USE_GAUDIN || defined(__DOXYGEN__)
-
-/* Include the driver defines */
-#include "gaudin_lld_config.h"
-//audio_in_sample_t
-//GAUDIN_SAMPLE_FORMAT ARRAY_DATA_10BITUNSIGNED
-//GAUDIN_STEREO_DEVICE FALSE
-
-/*===========================================================================*/
-/* Type definitions */
-/*===========================================================================*/
-
-// Event types for GAUDIN
-#define GEVENT_AUDIO_IN (GEVENT_GAUDIN_FIRST+0)
-
-/**
- * @brief The Audio Input event structure.
- * @{
- */
-typedef struct GEventAudioIn_t {
- /**
- * @brief The type of this event (GEVENT_AUDIO_IN)
- */
- GEventType type;
- /**
- * @brief The event flags
- */
- uint16_t flags;
- /**
- * @brief The event flag values.
- * @{
- */
- #define GADC_AUDIO_IN_LOSTEVENT 0x0001 /**< @brief The last GEVENT_AUDIO_IN event was lost */
- /** @} */
- /**
- * @brief The number of audio samples in the buffer
- */
- size_t count;
- /**
- * @brief The buffer containing the audio samples
- */
- audio_in_sample_t *buffer;
- } GEventAudioIn;
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief Initialise the Audio Input Subsystem.
- * @details Initialises but does not start the audio in.
- *
- * @param[in] frequency The sample frequency
- * @param[in] buffer The static buffer to put the samples into.
- * @param[in] bufcount The total number of conversions that will fit in the buffer.
- * @param[in] countPerEvent The number of conversions to do before returning an event.
- *
- * @note If the audio input is running it will be stopped.
- * @note Due to a bug in Chibi-OS countPerEvent must be even for the GADC audio driver.
- * If bufcount is not evenly divisable by countPerEvent, the remainder must also be even.
- * This requirement may not apply to other GAUDIN drivers.
- * @note The number of samples for stereo devices will be double the number of conversions.
- * Make sure you allocate your buffers large enough. Each channel is then interleaved
- * into the provided buffer. Note 'bufcount' and 'countPerEvent' parameters describe the
- * number of conversions not the number of samples.
- * @note The buffer is circular. When the end of the buffer is reached it will start
- * putting data into the beginning of the buffer again.
- * @note The event listener must process the event (and the data in it) before the
- * next event occurs. If not, the following event will be lost.
- * @note If bufcount is evenly divisable by countPerEvent, then every event will return
- * countPerEvent conversions. If bufcount is not evenly divisable, it will return
- * a block of samples containing less than countPerEvent samples when it reaches the
- * end of the buffer.
- *
- * @api
- */
-void gaudinInit(uint32_t frequency, adcsample_t *buffer, size_t bufcount, size_t samplesPerEvent);
-
-#if GFX_USE_GEVENT || defined(__DOXYGEN__)
- /**
- * @brief Turn on sending results to the GEVENT sub-system.
- * @details Returns a GSourceHandle to listen for GEVENT_AUDIO_IN events.
- *
- * @note The audio input will not use the GEVENT system unless this is
- * called first. This saves processing time if the application does
- * not want to use the GEVENT sub-system for audio input.
- * Once turned on it cannot be turned off.
- * @note The audio input is capable of signalling via this method and a binary semaphore
- * at the same time.
- *
- * @api
- */
- GSourceHandle gaudinGetSource(void);
-#endif
-
-/**
- * @brief Allow retrieving of results from the audio input using a Binary Semaphore and a static event buffer.
- *
- * @param[in] pbsem The binary semaphore is signaled when data is available.
- * @param[in] pEvent The static event buffer to place the result information.
- *
- * @note Passing a NULL for pbsem or pEvent will turn off signalling via this method.
- * @note The audio input is capable of signalling via this method and the GEVENT
- * sub-system at the same time.
- *
- * @api
- */
-void gaudinSetBSem(BinarySemaphore *pbsem, GEventAudioIn *pEvent);
-
-/**
- * @brief Start the audio input conversions.
- * @pre It must have been initialised first with @p gaudinInit()
- *
- * @api
- */
-GSourceHandle gaudinStart(void);
-
-/**
- * @brief Stop the audio input conversions.
- *
- * @api
- */
-void gaudinStop(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* GFX_USE_GAUDIN */
-
-#endif /* _GAUDIN_H */
-/** @} */
-
+/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +/** + * @file include/gaudin/gaudin.h + * @brief GAUDIN - Audio Input subsystem header file. + * + * @addtogroup GAUDIN + * + * @{ + */ + +#ifndef _GAUDIN_H +#define _GAUDIN_H + +#include "gfx.h" + +#if GFX_USE_GAUDIN || defined(__DOXYGEN__) + +/* Include the driver defines */ +#include "gaudin_lld_config.h" + +/*===========================================================================*/ +/* Type definitions */ +/*===========================================================================*/ + +// Event types for GAUDIN +#define GEVENT_AUDIO_IN (GEVENT_GAUDIN_FIRST+0) + +/** + * @brief The Audio Input event structure. + * @{ + */ +typedef struct GEventAudioIn_t { + #if GFX_USE_GEVENT || defined(__DOXYGEN__) + /** + * @brief The type of this event (GEVENT_AUDIO_IN) + */ + GEventType type; + #endif + /** + * @brief The current channel + */ + uint16_t channel; + /** + * @brief The event flags + */ + uint16_t flags; + /** + * @brief The event flag values. + * @{ + */ + #define GADC_AUDIO_IN_LOSTEVENT 0x0001 /**< @brief The last GEVENT_AUDIO_IN event was lost */ + /** @} */ + /** + * @brief The number of audio samples in the buffer + */ + size_t count; + /** + * @brief The buffer containing the audio samples + */ + audin_sample_t *buffer; + } GEventAudioIn; + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Initialise (but not start) the Audio Input Subsystem. + * @details Returns FALSE for an invalid channel or other invalid parameter. + * + * @param[in] channel The channel to convert. Can be set from 0 to GAUDIN_NUM_CHANNELS - 1. + * @param[in] frequency The sample frequency + * @param[in] buffer The static buffer to put the samples into. + * @param[in] bufcount The total number of conversions that will fit in the buffer. + * @param[in] countPerEvent The number of conversions to do before returning an event. + * + * @note Only one channel is active at a time. If an audio input is running it will be stopped. + * The Event subsystem is disconnected from the audio subsystem and any binary semaphore + * event is forgotten. + * @note Some channels may be stereo channels which return twice as much sample data with + * the left and right channel data interleaved. Other channels may be mono channels. + * Where stereo channels exist it would be common for the low level driver to also + * offer the left and right channels separately. + * @note Due to a bug in Chibi-OS countPerEvent must be even if using the GADC low level audio driver. + * If bufcount is not evenly divisable by countPerEvent, the remainder must also be even. + * This requirement may not apply to other GAUDIN drivers. + * @note The number of samples for stereo devices will be double the number of conversions. + * Make sure you allocate your buffers large enough. Each channel is then interleaved + * into the provided buffer. Note 'bufcount' and 'countPerEvent' parameters describe the + * number of conversions not the number of samples. + * @note The buffer is circular. When the end of the buffer is reached it will start + * putting data into the beginning of the buffer again. + * @note The event listener must process the event (and the data in it) before the + * next event occurs. If not, the following event will be lost. + * @note If bufcount is evenly divisable by countPerEvent, then every event will return + * countPerEvent conversions. If bufcount is not evenly divisable, it will return + * a block of samples containing less than countPerEvent samples when it reaches the + * end of the buffer. + * + * @api + */ +bool_t gaudinInit(uint16_t channel, uint32_t frequency, audin_sample_t *buffer, size_t bufcount, size_t samplesPerEvent); + +#if GFX_USE_GEVENT || defined(__DOXYGEN__) + /** + * @brief Turn on sending results to the GEVENT sub-system. + * @details Returns a GSourceHandle to listen for GEVENT_AUDIO_IN events. + * + * @note The audio input will not use the GEVENT system unless this is + * called first. This saves processing time if the application does + * not want to use the GEVENT sub-system for audio input. + * Once turned on it can only be turned off by calling @p gadcHighSpeedInit() again. + * @note The audio input is capable of signalling via this method and a binary semaphore + * at the same time. + * + * @api + */ + GSourceHandle gaudinGetSource(void); +#endif + +/** + * @brief Allow retrieving of results from the audio input using a Binary Semaphore and a static event buffer. + * + * @param[in] pbsem The binary semaphore is signaled when data is available. + * @param[in] pEvent The static event buffer to place the result information. + * + * @note Passing a NULL for pbsem or pEvent will turn off signalling via this method. + * @note The audio input is capable of signalling via this method and the GEVENT + * sub-system at the same time. + * + * @api + */ +void gaudinSetBSem(BinarySemaphore *pbsem, GEventAudioIn *pEvent); + +/** + * @brief Start the audio input conversions. + * @pre It must have been initialised first with @p gaudinInit() + * + * @api + */ +void gaudinStart(void); + +/** + * @brief Stop the audio input conversions. + * + * @api + */ +void gaudinStop(void); + +#ifdef __cplusplus +} +#endif + +#endif /* GFX_USE_GAUDIN */ + +#endif /* _GAUDIN_H */ +/** @} */ + diff --git a/include/gaudin/lld/gaudin_lld.h b/include/gaudin/lld/gaudin_lld.h new file mode 100644 index 00000000..2b2db86e --- /dev/null +++ b/include/gaudin/lld/gaudin_lld.h @@ -0,0 +1,105 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +/** + * @file include/gaudin/lld/gaudin_lld.h + * @brief GAUDIN - Audio Input driver header file. + * + * @defgroup Driver Driver + * @ingroup GAUDIN + * @{ + */ + +#ifndef _GAUDIN_LLD_H +#define _GAUDIN_LLD_H + +#include "gfx.h" + +#if GFX_USE_GADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Type definitions */ +/*===========================================================================*/ + +/** + * @brief The structure passed to start a audio conversion + * @note We use the structure instead of parameters purely to save + * interrupt stack space which is very limited in some platforms. + * @{ + */ +typedef struct gaudin_params_t { + uint16_t channel; + uint32_t frequency; + audin_sample_t *buffer; + size_t bufcount; + size_t samplesPerEvent; + } gaudin_params; +/* @} */ + +/** + * @brief These routines are the callbacks that the driver uses. + * @details Defined in the high level GAUDIN code. + * + * @icode + * @notapi + * @{ + */ +extern void GAUDIN_ISR_CompleteI(audin_sample_t *buffer, size_t n); +extern void GAUDIN_ISR_ErrorI(void); +/** + * @} + */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Initialise the driver + * + * @api + */ +void gaudin_lld_init(const gaudin_params *paud); + +/** + * @brief Start the audio input sampling + * + * @api + */ +void gadc_lld_start(void); + +/** + * @brief Stop the audio input sampling + * + * @api + */ +void gadc_lld_stop(void); + +#ifdef __cplusplus +} +#endif + +#endif /* GFX_USE_GADC */ + +#endif /* _GADC_LLD_H */ +/** @} */ diff --git a/include/gfx.h b/include/gfx.h index 552e3294..e6b8d03e 100644 --- a/include/gfx.h +++ b/include/gfx.h @@ -1,170 +1,170 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file include/gfx.h
- * @brief GFX system header file.
- *
- * @addtogroup GFX
- * @{
- */
-
-#ifndef _GFX_H
-#define _GFX_H
-
-/* gfxconf.h is the user's project configuration for the GFX system. */
-#include "gfxconf.h"
-
-/**
- * @name GFX sub-systems that can be turned on
- * @{
- */
- /**
- * @brief GFX Graphics Display Basic API
- * @details Defaults to FALSE
- * @note Also add the specific hardware driver to your makefile.
- * Eg. include $(GFXLIB)/drivers/gdisp/Nokia6610/gdisp_lld.mk
- */
- #ifndef GFX_USE_GDISP
- #define GFX_USE_GDISP FALSE
- #endif
- /**
- * @brief GFX Text Display Basic API
- * @details Defaults to FALSE
- * @note Also add the specific hardware driver to your makefile.
- * Eg. include $(GFXLIB)/drivers/tdisp/HD44780/tdisp_lld.mk
- */
- #ifndef GFX_USE_TDISP
- #define GFX_USE_TDISP FALSE
- #endif
- /**
- * @brief GFX Graphics Windowing API
- * @details Defaults to FALSE
- * @details Extends the GDISP API to add the concept of graphic windows.
- * @note Also supports high-level "window" objects such as console windows,
- * buttons, graphing etc
- */
- #ifndef GFX_USE_GWIN
- #define GFX_USE_GWIN FALSE
- #endif
- /**
- * @brief GFX Event API
- * @details Defaults to FALSE
- * @details Defines the concept of a "Source" that can send "Events" to "Listeners".
- */
- #ifndef GFX_USE_GEVENT
- #define GFX_USE_GEVENT FALSE
- #endif
- /**
- * @brief GFX Timer API
- * @details Defaults to FALSE
- * @details Provides thread context timers - both one-shot and periodic.
- */
- #ifndef GFX_USE_GTIMER
- #define GFX_USE_GTIMER FALSE
- #endif
- /**
- * @brief GFX Input Device API
- * @details Defaults to FALSE
- * @note Also add the specific hardware drivers to your makefile.
- * Eg.
- * include $(GFXLIB)/drivers/ginput/toggle/Pal/ginput_lld.mk
- * and...
- * include $(GFXLIB)/drivers/ginput/touch/MCU/ginput_lld.mk
- */
- #ifndef GFX_USE_GINPUT
- #define GFX_USE_GINPUT FALSE
- #endif
- /**
- * @brief GFX Generic Periodic ADC API
- * @details Defaults to FALSE
- */
- #ifndef GFX_USE_GADC
- #define GFX_USE_GADC FALSE
- #endif
- /**
- * @brief GFX Audio Input Device API
- * @details Defaults to FALSE
- * @note Also add the specific hardware drivers to your makefile.
- * Eg.
- * include $(GFXLIB)/drivers/gaudin/GADC/gaudin_lld.mk
- */
- #ifndef GFX_USE_GAUDIN
- #define GFX_USE_GAUDIN FALSE
- #endif
- /**
- * @brief GFX Audio Output Device API
- * @details Defaults to FALSE
- * @note Also add the specific hardware drivers to your makefile.
- * Eg.
- * include $(GFXLIB)/drivers/gaudout/PWM/gaudout_lld.mk
- */
- #ifndef GFX_USE_GAUDOUT
- #define GFX_USE_GAUDOUT FALSE
- #endif
- /**
- * @brief GFX Miscellaneous Routines API
- * @details Defaults to FALSE
- * @note Turning this on without turning on any GMISC_NEED_xxx macros will result
- * in no extra code being compiled in. GMISC is made up from the sum of its
- * parts.
- */
- #ifndef GFX_USE_GMISC
- #define GFX_USE_GMISC FALSE
- #endif
-/** @} */
-
-/**
- * Get all the options for each sub-system.
- *
- */
-#include "gmisc/options.h"
-#include "gevent/options.h"
-#include "gtimer/options.h"
-#include "gdisp/options.h"
-#include "gwin/options.h"
-#include "ginput/options.h"
-#include "tdisp/options.h"
-#include "gadc/options.h"
-#include "gaudin/options.h"
-#include "gaudout/options.h"
-
-/**
- * Inter-dependancy safety checks on the sub-systems.
- *
- */
-#include "gfx_rules.h"
-
-/**
- * Include the sub-system header files
- */
-#include "gevent/gevent.h"
-#include "gtimer/gtimer.h"
-#include "gdisp/gdisp.h"
-#include "gwin/gwin.h"
-#include "ginput/ginput.h"
-#include "tdisp/tdisp.h"
-#include "gadc/gadc.h"
-#include "gaudin/gaudin.h"
-#include "gaudout/gaudout.h"
-#include "gmisc/gmisc.h"
-
-#endif /* _GFX_H */
-/** @} */
+/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file include/gfx.h + * @brief GFX system header file. + * + * @addtogroup GFX + * @{ + */ + +#ifndef _GFX_H +#define _GFX_H + +/* gfxconf.h is the user's project configuration for the GFX system. */ +#include "gfxconf.h" + +/** + * @name GFX sub-systems that can be turned on + * @{ + */ + /** + * @brief GFX Graphics Display Basic API + * @details Defaults to FALSE + * @note Also add the specific hardware driver to your makefile. + * Eg. include $(GFXLIB)/drivers/gdisp/Nokia6610/gdisp_lld.mk + */ + #ifndef GFX_USE_GDISP + #define GFX_USE_GDISP FALSE + #endif + /** + * @brief GFX Text Display Basic API + * @details Defaults to FALSE + * @note Also add the specific hardware driver to your makefile. + * Eg. include $(GFXLIB)/drivers/tdisp/HD44780/tdisp_lld.mk + */ + #ifndef GFX_USE_TDISP + #define GFX_USE_TDISP FALSE + #endif + /** + * @brief GFX Graphics Windowing API + * @details Defaults to FALSE + * @details Extends the GDISP API to add the concept of graphic windows. + * @note Also supports high-level "window" objects such as console windows, + * buttons, graphing etc + */ + #ifndef GFX_USE_GWIN + #define GFX_USE_GWIN FALSE + #endif + /** + * @brief GFX Event API + * @details Defaults to FALSE + * @details Defines the concept of a "Source" that can send "Events" to "Listeners". + */ + #ifndef GFX_USE_GEVENT + #define GFX_USE_GEVENT FALSE + #endif + /** + * @brief GFX Timer API + * @details Defaults to FALSE + * @details Provides thread context timers - both one-shot and periodic. + */ + #ifndef GFX_USE_GTIMER + #define GFX_USE_GTIMER FALSE + #endif + /** + * @brief GFX Input Device API + * @details Defaults to FALSE + * @note Also add the specific hardware drivers to your makefile. + * Eg. + * include $(GFXLIB)/drivers/ginput/toggle/Pal/ginput_lld.mk + * and... + * include $(GFXLIB)/drivers/ginput/touch/MCU/ginput_lld.mk + */ + #ifndef GFX_USE_GINPUT + #define GFX_USE_GINPUT FALSE + #endif + /** + * @brief GFX Generic Periodic ADC API + * @details Defaults to FALSE + */ + #ifndef GFX_USE_GADC + #define GFX_USE_GADC FALSE + #endif + /** + * @brief GFX Audio Input Device API + * @details Defaults to FALSE + * @note Also add the specific hardware drivers to your makefile. + * Eg. + * include $(GFXLIB)/drivers/gaudin/GADC/gaudin_lld.mk + */ + #ifndef GFX_USE_GAUDIN + #define GFX_USE_GAUDIN FALSE + #endif + /** + * @brief GFX Audio Output Device API + * @details Defaults to FALSE + * @note Also add the specific hardware drivers to your makefile. + * Eg. + * include $(GFXLIB)/drivers/gaudout/PWM/gaudout_lld.mk + */ + #ifndef GFX_USE_GAUDOUT + #define GFX_USE_GAUDOUT FALSE + #endif + /** + * @brief GFX Miscellaneous Routines API + * @details Defaults to FALSE + * @note Turning this on without turning on any GMISC_NEED_xxx macros will result + * in no extra code being compiled in. GMISC is made up from the sum of its + * parts. + */ + #ifndef GFX_USE_GMISC + #define GFX_USE_GMISC FALSE + #endif +/** @} */ + +/** + * Get all the options for each sub-system. + * + */ +#include "gmisc/options.h" +#include "gevent/options.h" +#include "gtimer/options.h" +#include "gdisp/options.h" +#include "gwin/options.h" +#include "ginput/options.h" +#include "tdisp/options.h" +#include "gadc/options.h" +#include "gaudin/options.h" +#include "gaudout/options.h" + +/** + * Inter-dependancy safety checks on the sub-systems. + * + */ +#include "gfx_rules.h" + +/** + * Include the sub-system header files + */ +#include "gmisc/gmisc.h" +#include "gevent/gevent.h" +#include "gtimer/gtimer.h" +#include "gdisp/gdisp.h" +#include "gwin/gwin.h" +#include "ginput/ginput.h" +#include "tdisp/tdisp.h" +#include "gadc/gadc.h" +#include "gaudin/gaudin.h" +#include "gaudout/gaudout.h" + +#endif /* _GFX_H */ +/** @} */ diff --git a/include/gfx_rules.h b/include/gfx_rules.h index ce6bea50..27316204 100644 --- a/include/gfx_rules.h +++ b/include/gfx_rules.h @@ -99,6 +99,14 @@ #if GFX_USE_TDISP #endif +#if GFX_USE_GAUDIN + #if GFX_USE_GEVENT && !GFX_USE_GTIMER + #warning "GAUDIN: GFX_USE_GTIMER is required if GFX_USE_GAUDIN and GFX_USE_GEVENT are TRUE. It has been turned on for you." + #undef GFX_USE_GTIMER + #define GFX_USE_GTIMER TRUE + #endif +#endif + #if GFX_USE_GADC #if !CH_USE_MUTEXES || !CH_USE_SEMAPHORES #error "GADC: CH_USE_MUTEXES and CH_USE_SEMAPHORES must be defined in chconf.h" @@ -123,9 +131,6 @@ #endif #endif -#if GFX_USE_GAUDIN -#endif - #if GFX_USE_GAUDOUT #endif diff --git a/include/gmisc/gmisc.h b/include/gmisc/gmisc.h index c68e5ca2..b11a912b 100644 --- a/include/gmisc/gmisc.h +++ b/include/gmisc/gmisc.h @@ -1,106 +1,108 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * @file include/gmisc/gmisc.h
- * @brief GMISC - Miscellaneous Routines header file.
- *
- * @addtogroup GAUDIN
- *
- * @{
- */
-
-#ifndef _GMISC_H
-#define _GMISC_H
-
-#include "gfx.h"
-
-/*===========================================================================*/
-/* Type definitions */
-/*===========================================================================*/
-
-/**
- * @brief Sample data formats
- */
-typedef enum ArrayDataFormat_e {
- ARRAY_DATA_4BITUNSIGNED = 4, ARRAY_DATA_4BITSIGNED = 5,
- ARRAY_DATA_8BITUNSIGNED = 8, ARRAY_DATA_8BITSIGNED = 9,
- ARRAY_DATA_10BITUNSIGNED = 10, ARRAY_DATA_10BITSIGNED = 11,
- ARRAY_DATA_12BITUNSIGNED = 12, ARRAY_DATA_12BITSIGNED = 13,
- ARRAY_DATA_14BITUNSIGNED = 14, ARRAY_DATA_14BITSIGNED = 15,
- ARRAY_DATA_16BITUNSIGNED = 16, ARRAY_DATA_16BITSIGNED = 17,
- } ArrayDataFormat;
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if GFX_USE_GMISC || defined(__DOXYGEN__)
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if GMISC_NEED_ARRAYOPS || defined(__DOXYGEN__)
- /**
- * @brief Convert from one array format to another array format.
- *
- * @param[in] srcfmt The format of the source array
- * @param[in] src The source array
- * @param[in] dstfmt The format of the destination array
- * @param[in] dst The dstination array
- * @param[in] cnt The number of array elements to convert
- *
- * @note Assumes the destination buffer is large enough for the resultant data.
- * @note This routine is optimised to perform as fast as possible.
- * @note No type checking is performed on the source format. It is assumed to
- * have only valid values eg. ARRAY_DATA_4BITSIGNED will have values
- * 0000 -> 0111 for positive numbers and 1111 -> 1000 for negative numbers
- * Bits 5 -> 8 in the storage byte are treated in an undefined manner.
- * @note If srcfmt or dstfmt is an unknown format, this routine does nothing
- * with no warning that something is wrong
- *
- * @api
- */
- void gmiscArrayConvert(ArrayDataFormat srcfmt, void *src, ArrayDataFormat dstfmt, void *dst, size_t cnt);
-
- #if 0
- void gmiscArrayTranslate(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int trans);
-
- void gmiscArrayMultiply(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mult);
-
- void gmiscArrayDivide(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mdiv);
-
- void gmiscArrayMultDiv(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mult, int div);
-
- void gmiscArrayAdd(ArrayDataFormat fmt, void *src1, void *src2, void *dst, size_t cnt);
-
- void gmiscArrayAddNoOverflow(ArrayDataFormat fmt, void *src1, void *src2, void *dst, size_t cnt);
- #endif
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* GFX_USE_MISC */
-
-#endif /* _GMISC_H */
-/** @} */
-
+/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +/** + * @file include/gmisc/gmisc.h + * @brief GMISC - Miscellaneous Routines header file. + * + * @addtogroup GAUDIN + * + * @{ + */ + +#ifndef _GMISC_H +#define _GMISC_H + +#include "gfx.h" + +/*===========================================================================*/ +/* Type definitions */ +/*===========================================================================*/ + +/** + * @brief Sample data formats + * @note These are defined regardless of whether you use the GMISC module + * or not as they are used in lots of places. + */ +typedef enum ArrayDataFormat_e { + ARRAY_DATA_4BITUNSIGNED = 4, ARRAY_DATA_4BITSIGNED = 5, + ARRAY_DATA_8BITUNSIGNED = 8, ARRAY_DATA_8BITSIGNED = 9, + ARRAY_DATA_10BITUNSIGNED = 10, ARRAY_DATA_10BITSIGNED = 11, + ARRAY_DATA_12BITUNSIGNED = 12, ARRAY_DATA_12BITSIGNED = 13, + ARRAY_DATA_14BITUNSIGNED = 14, ARRAY_DATA_14BITSIGNED = 15, + ARRAY_DATA_16BITUNSIGNED = 16, ARRAY_DATA_16BITSIGNED = 17, + } ArrayDataFormat; + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if GFX_USE_GMISC || defined(__DOXYGEN__) + +#ifdef __cplusplus +extern "C" { +#endif + +#if GMISC_NEED_ARRAYOPS || defined(__DOXYGEN__) + /** + * @brief Convert from one array format to another array format. + * + * @param[in] srcfmt The format of the source array + * @param[in] src The source array + * @param[in] dstfmt The format of the destination array + * @param[in] dst The dstination array + * @param[in] cnt The number of array elements to convert + * + * @note Assumes the destination buffer is large enough for the resultant data. + * @note This routine is optimised to perform as fast as possible. + * @note No type checking is performed on the source format. It is assumed to + * have only valid values eg. ARRAY_DATA_4BITSIGNED will have values + * 0000 -> 0111 for positive numbers and 1111 -> 1000 for negative numbers + * Bits 5 -> 8 in the storage byte are treated in an undefined manner. + * @note If srcfmt or dstfmt is an unknown format, this routine does nothing + * with no warning that something is wrong + * + * @api + */ + void gmiscArrayConvert(ArrayDataFormat srcfmt, void *src, ArrayDataFormat dstfmt, void *dst, size_t cnt); + + #if 0 + void gmiscArrayTranslate(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int trans); + + void gmiscArrayMultiply(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mult); + + void gmiscArrayDivide(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mdiv); + + void gmiscArrayMultDiv(ArrayDataFormat fmt, void *src, void *dst, size_t cnt, int mult, int div); + + void gmiscArrayAdd(ArrayDataFormat fmt, void *src1, void *src2, void *dst, size_t cnt); + + void gmiscArrayAddNoOverflow(ArrayDataFormat fmt, void *src1, void *src2, void *dst, size_t cnt); + #endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* GFX_USE_MISC */ + +#endif /* _GMISC_H */ +/** @} */ + diff --git a/src/gadc/gadc.c b/src/gadc/gadc.c index 509557d3..8a3cfb8d 100644 --- a/src/gadc/gadc.c +++ b/src/gadc/gadc.c @@ -83,6 +83,7 @@ static struct hsdev { size_t remaining; BinarySemaphore *bsem; GEventADC *pEvent; + GADCISRCallbackFunction isrfn; } hs; static struct lsdev { @@ -181,6 +182,11 @@ void GADC_ISR_CompleteI(ADCDriver *adcp, adcsample_t *buffer, size_t n) { hs.pEvent->buffer = hs.lastbuffer; hs.pEvent->flags = hs.lastflags; } + + /* Our three signalling mechanisms */ + if (hs.isrfn) + hs.isrfn(buffer, n); + if (hs.bsem) chBSemSignalI(hs.bsem); @@ -344,6 +350,7 @@ void gadcHighSpeedInit(uint32_t physdev, uint32_t frequency, adcsample_t *buffer hs.remaining = bufcount; hs.bsem = 0; hs.pEvent = 0; + hs.isrfn = 0; } #if GFX_USE_GEVENT @@ -356,6 +363,10 @@ void gadcHighSpeedInit(uint32_t physdev, uint32_t frequency, adcsample_t *buffer } #endif +void gadcHighSpeedSetISRCallback(GADCISRCallbackFunction isrfn) { + hs.isrfn = isrfn; +} + void gadcHighSpeedSetBSem(BinarySemaphore *pbsem, GEventADC *pEvent) { DoInit(); diff --git a/src/gaudin/gaudin.c b/src/gaudin/gaudin.c index 120d7d81..4ce04132 100644 --- a/src/gaudin/gaudin.c +++ b/src/gaudin/gaudin.c @@ -1,38 +1,158 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file src/gaudin/gaudin.c
- * @brief GAUDIN sub-system code.
- *
- * @addtogroup GAUDIN
- * @{
- */
-#include "ch.h"
-#include "hal.h"
-#include "gfx.h"
-
-#if GFX_USE_GAUDIN || defined(__DOXYGEN__)
-
- #error "GAUDIN: Not implemented yet"
-
-#endif /* GFX_USE_GAUDIN */
-/** @} */
-
+/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file src/gaudin/gaudin.c + * @brief GAUDIN sub-system code. + * + * @addtogroup GAUDIN + * @{ + */ +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if GFX_USE_GAUDIN + +/* Include the driver defines */ +#include "gaudin/lld/gaudin_lld.h" + +static gaudin_params aud; +static BinarySemaphore *paudSem; +static GEventAudioIn *paudEvent; +static audin_sample_t *lastbuffer; +static size_t lastcount; +static uint16_t audFlags; + #define AUDFLG_RUNNING 0x0001 + #define AUDFLG_USE_EVENTS 0x0002 + +#if GFX_USE_GEVENT + static GTIMER_DECL(AudGTimer); + + static void AudGTimerCallback(void *param) { + (void) param; + GSourceListener *psl; + GEventADC *pe; + + psl = 0; + while ((psl = geventGetSourceListener((GSourceHandle)(&aud), psl))) { + if (!(pe = (GEventAudioIn *)geventGetEventBuffer(psl))) { + // This listener is missing - save this. + psl->srcflags |= GADC_AUDIO_IN_LOSTEVENT; + continue; + } + + pe->type = GEVENT_AUDIO_IN; + pe->channel = aud.channel; + pe->count = lastcount; + pe->buffer = lastbuffer; + pe->flags = psl->srcflags; + psl->srcflags = 0; + geventSendEvent(psl); + } + } +#endif + +void GAUDIN_ISR_CompleteI(audin_sample_t *buffer, size_t n) { + /* Save the details */ + lastcount = n; + lastbuffer = buffer; + + /* Signal the user with the data */ + if (paudEvent) { + #if GFX_USE_GEVENT + paudEvent->type = GEVENT_AUDIO_IN; + #endif + paudEvent->channel = aud.channel; + paudEvent->count = lastcount; + paudEvent->buffer = lastbuffer; + paudEvent->flags = 0; + } + + /* Our two signalling mechanisms */ + if (paudSem) + chBSemSignalI(paudSem); + + #if GFX_USE_GEVENT + if (audFlags & AUDFLG_USE_EVENTS) + gtimerJabI(&AudGTimer); + #endif +} + +void GAUDIN_ISR_ErrorI(void) { + /* Ignore any errors for now */ +} + +bool_t gaudinInit(uint16_t channel, uint32_t frequency, audin_sample_t *buffer, size_t bufcount, size_t samplesPerEvent) { + /* Check the channel is valid */ + if (channel >= GAUDIN_NUM_CHANNELS || frequency > GAUDIN_MAX_SAMPLE_FREQUENCY) + return FALSE; + + /* Stop any existing transfers */ + if ((audFlags & AUDFLG_RUNNING)) + gadc_lld_stop(); + audFlags = 0; + + /* Initialise everything */ + aud.channel = channel; + aud.frequency = frequency; + aud.buffer = buffer; + aud.bufcount = bufcount; + aud.samplesPerEvent = samplesPerEvent; + paudSem = 0; + paudEvent = 0; + + /* Set up the low level driver */ + gaudin_lld_init(&aud); + return TRUE; +} + +#if GFX_USE_GEVENT + GSourceHandle gaudinGetSource(void) { + if (!gtimerIsActive(&AudGTimer)) + gtimerStart(&AudGTimer, AudGTimerCallback, NULL, TRUE, TIME_INFINITE); + audFlags |= AUDFLG_USE_EVENTS; + return (GSourceHandle)&aud; + } +#endif + +void gaudinSetBSem(BinarySemaphore *pbsem, GEventAudioIn *pEvent) { + chSysLock(); + paudSem = pbsem; + paudEvent = pEvent; + chSysUnlock(); +} + +void gaudinStart(void) { + if (!(audFlags & AUDFLG_RUNNING)) { + audFlags |= AUDFLG_RUNNING; + gadc_lld_start(); + } +} + +void gaudinStop(void) { + if ((audFlags & AUDFLG_RUNNING)) { + gadc_lld_stop(); + audFlags &= ~AUDFLG_RUNNING; + } +} + +#endif /* GFX_USE_GAUDIN */ +/** @} */ |
