From 555f301da2f276cc353a8e2d0a283a488bd8eeff Mon Sep 17 00:00:00 2001 From: barthess Date: Tue, 18 Oct 2016 12:02:55 +0300 Subject: 1-Wire. Duplicated code from testhal apllications moved to separate directory. --- os/hal/include/hal_onewire.h | 4 +- os/hal/src/hal_onewire.c | 2 +- testhal/STM32/STM32F0xx/onewire/.project | 5 + testhal/STM32/STM32F0xx/onewire/Makefile | 6 +- testhal/STM32/STM32F0xx/onewire/boarddef.h | 28 ++ testhal/STM32/STM32F0xx/onewire/main.c | 2 +- testhal/STM32/STM32F0xx/onewire/onewire_test.c | 257 -------------- testhal/STM32/STM32F0xx/onewire/onewire_test.h | 28 -- testhal/STM32/STM32F0xx/onewire/real_roms.txt | 27 -- testhal/STM32/STM32F0xx/onewire/search_rom_synth.c | 370 --------------------- testhal/STM32/STM32F1xx/onewire/Makefile | 6 +- testhal/STM32/STM32F1xx/onewire/boarddef.h | 29 ++ testhal/STM32/STM32F1xx/onewire/main.c | 2 +- testhal/STM32/STM32F1xx/onewire/onewire_test.c | 257 -------------- testhal/STM32/STM32F1xx/onewire/onewire_test.h | 28 -- testhal/STM32/STM32F1xx/onewire/real_roms.txt | 27 -- testhal/STM32/STM32F1xx/onewire/search_rom_synth.c | 370 --------------------- testhal/STM32/STM32F4xx/onewire/Makefile | 6 +- testhal/STM32/STM32F4xx/onewire/boarddef.h | 28 ++ testhal/STM32/STM32F4xx/onewire/main.c | 2 +- testhal/STM32/STM32F4xx/onewire/onewire_test.c | 257 -------------- testhal/STM32/STM32F4xx/onewire/onewire_test.h | 28 -- testhal/STM32/STM32F4xx/onewire/real_roms.txt | 27 -- testhal/STM32/STM32F4xx/onewire/search_rom_synth.c | 370 --------------------- testhal/hw_abstracted/onewire/real_roms.txt | 27 ++ testhal/hw_abstracted/onewire/synth_searchrom.c | 370 +++++++++++++++++++++ testhal/hw_abstracted/onewire/testhal_onewire.c | 228 +++++++++++++ testhal/hw_abstracted/onewire/testhal_onewire.h | 28 ++ 28 files changed, 762 insertions(+), 2057 deletions(-) create mode 100644 testhal/STM32/STM32F0xx/onewire/boarddef.h delete mode 100644 testhal/STM32/STM32F0xx/onewire/onewire_test.c delete mode 100644 testhal/STM32/STM32F0xx/onewire/onewire_test.h delete mode 100644 testhal/STM32/STM32F0xx/onewire/real_roms.txt delete mode 100644 testhal/STM32/STM32F0xx/onewire/search_rom_synth.c create mode 100644 testhal/STM32/STM32F1xx/onewire/boarddef.h delete mode 100644 testhal/STM32/STM32F1xx/onewire/onewire_test.c delete mode 100644 testhal/STM32/STM32F1xx/onewire/onewire_test.h delete mode 100644 testhal/STM32/STM32F1xx/onewire/real_roms.txt delete mode 100644 testhal/STM32/STM32F1xx/onewire/search_rom_synth.c create mode 100644 testhal/STM32/STM32F4xx/onewire/boarddef.h delete mode 100644 testhal/STM32/STM32F4xx/onewire/onewire_test.c delete mode 100644 testhal/STM32/STM32F4xx/onewire/onewire_test.h delete mode 100644 testhal/STM32/STM32F4xx/onewire/real_roms.txt delete mode 100644 testhal/STM32/STM32F4xx/onewire/search_rom_synth.c create mode 100644 testhal/hw_abstracted/onewire/real_roms.txt create mode 100644 testhal/hw_abstracted/onewire/synth_searchrom.c create mode 100644 testhal/hw_abstracted/onewire/testhal_onewire.c create mode 100644 testhal/hw_abstracted/onewire/testhal_onewire.h diff --git a/os/hal/include/hal_onewire.h b/os/hal/include/hal_onewire.h index 12e7b75..bbaf77b 100644 --- a/os/hal/include/hal_onewire.h +++ b/os/hal/include/hal_onewire.h @@ -59,11 +59,13 @@ /*===========================================================================*/ /* Driver pre-compile time settings. */ /*===========================================================================*/ +#if ONEWIRE_SYNTH_SEARCH_TEST && !ONEWIRE_USE_SEARCH_ROM +#error "Synthetic search rom test needs ONEWIRE_USE_SEARCH_ROM" +#endif /*===========================================================================*/ /* Derived constants and error checks. */ /*===========================================================================*/ - #if !HAL_USE_PWM #error "1-wire Driver requires HAL_USE_PWM" #endif diff --git a/os/hal/src/hal_onewire.c b/os/hal/src/hal_onewire.c index 85630d9..4e80807 100644 --- a/os/hal/src/hal_onewire.c +++ b/os/hal/src/hal_onewire.c @@ -881,7 +881,7 @@ size_t onewireSearchRom(onewireDriver *owp, uint8_t *result, * Include test code (if enabled). */ #if ONEWIRE_SYNTH_SEARCH_TEST -#include "search_rom_synth.c" +#include "synth_searchrom.c" #endif #endif /* HAL_USE_ONEWIRE */ diff --git a/testhal/STM32/STM32F0xx/onewire/.project b/testhal/STM32/STM32F0xx/onewire/.project index 6599a83..8776e6e 100644 --- a/testhal/STM32/STM32F0xx/onewire/.project +++ b/testhal/STM32/STM32F0xx/onewire/.project @@ -24,6 +24,11 @@ org.eclipse.cdt.managedbuilder.core.ScannerConfigNature + + hw_abstracted + 2 + PARENT-3-PROJECT_LOC/hw_abstracted + os-community 2 diff --git a/testhal/STM32/STM32F0xx/onewire/Makefile b/testhal/STM32/STM32F0xx/onewire/Makefile index d121cee..e866cb2 100644 --- a/testhal/STM32/STM32F0xx/onewire/Makefile +++ b/testhal/STM32/STM32F0xx/onewire/Makefile @@ -77,6 +77,7 @@ PROJECT = ch # Imported source files and paths CHIBIOS = ../../../../../ChibiOS-RT CHIBIOS_CONTRIB = $(CHIBIOS)/../ChibiOS-Contrib +TESTHAL = $(CHIBIOS_CONTRIB)/testhal/hw_abstracted/onewire # Startup files. include $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_stm32f0xx.mk # HAL-OSAL files (optional). @@ -102,7 +103,7 @@ CSRC = $(STARTUPSRC) \ $(BOARDSRC) \ $(TESTSRC) \ main.c \ - onewire_test.c + $(TESTHAL)/testhal_onewire.c # C++ sources that can be compiled in ARM or THUMB mode depending on the global # setting. @@ -135,7 +136,8 @@ ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM) INCDIR = $(CHIBIOS)/os/license \ $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \ $(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \ - $(CHIBIOS)/os/various + $(CHIBIOS)/os/various \ + $(TESTHAL) # # Project, sources and paths diff --git a/testhal/STM32/STM32F0xx/onewire/boarddef.h b/testhal/STM32/STM32F0xx/onewire/boarddef.h new file mode 100644 index 0000000..fd9842b --- /dev/null +++ b/testhal/STM32/STM32F0xx/onewire/boarddef.h @@ -0,0 +1,28 @@ +/* + ChibiOS/RT - Copyright (C) 2016 Uladzimir Pylinsky aka barthess + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +#ifndef BOARDDEF_H_ +#define BOARDDEF_H_ + +#define ONEWIRE_PORT GPIOB +#define ONEWIRE_PIN GPIOB_PIN0 +#define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN) +#define search_led_off() (palClearPad(GPIOC, GPIOC_LED4)) +#define search_led_on() (palSetPad(GPIOC, GPIOC_LED4)) +#define ONEWIRE_MASTER_CHANNEL 2 +#define ONEWIRE_SAMPLE_CHANNEL 3 + +#endif /* BOARDDEF_H_ */ diff --git a/testhal/STM32/STM32F0xx/onewire/main.c b/testhal/STM32/STM32F0xx/onewire/main.c index 793bffe..5265edc 100644 --- a/testhal/STM32/STM32F0xx/onewire/main.c +++ b/testhal/STM32/STM32F0xx/onewire/main.c @@ -17,7 +17,7 @@ #include "ch.h" #include "hal.h" -#include "onewire_test.h" +#include "testhal_onewire.h" /* * Application entry point. diff --git a/testhal/STM32/STM32F0xx/onewire/onewire_test.c b/testhal/STM32/STM32F0xx/onewire/onewire_test.c deleted file mode 100644 index be20dbc..0000000 --- a/testhal/STM32/STM32F0xx/onewire/onewire_test.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2014 Uladzimir Pylinsky aka barthess - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -#include - -#include "hal.h" - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -#if defined(BOARD_ST_STM32F4_DISCOVERY) || \ - defined(BOARD_ST_STM32F0_DISCOVERY) || \ - defined(BOARD_ST_STM32F0308_DISCOVERY) - #if ONEWIRE_USE_STRONG_PULLUP - #error "This board has not enough voltage for this feature" - #endif -#endif - -#if defined(BOARD_ST_STM32F0308_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOC, GPIOC_LED4)) - #define search_led_on() (palSetPad(GPIOC, GPIOC_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_ST_STM32F4_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOD, GPIOD_LED4)) - #define search_led_on() (palSetPad(GPIOD, GPIOD_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_OLIMEX_STM32_103STK) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN 0 - #define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT - #define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN - #define search_led_on() (palClearPad(GPIOC, GPIOC_LED)) - #define search_led_off() (palSetPad(GPIOC, GPIOC_LED)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#else - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_TACHOMETER - #include "pads.h" - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_on red_led_on - #define search_led_off red_led_off - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#endif - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ -/* - * Forward declarations - */ -#if ONEWIRE_USE_STRONG_PULLUP -static void strong_pullup_assert(void); -static void strong_pullup_release(void); -#endif - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static uint8_t testbuf[12]; - -/* stores 3 temperature values in millicelsius */ -static int32_t temperature[3]; - -/* - * Config for underlied PWM driver. - * Note! It is NOT constant because 1-wire driver needs to change them - * during functioning. - */ -static PWMConfig pwm_cfg = { - 0, - 0, - NULL, - { - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL} - }, - 0, -#if STM32_PWM_USE_ADVANCED - 0, -#endif - 0 -}; - -/* - * - */ -static const onewireConfig ow_cfg = { - &PWMD3, - &pwm_cfg, - PWM_OUTPUT_ACTIVE_LOW, - ONEWIRE_MASTER_CHANNEL, - ONEWIRE_SAMPLE_CHANNEL, - ONEWIRE_PORT, - ONEWIRE_PIN, -#if defined(STM32F1XX) - ONEWIRE_PAD_MODE_IDLE, -#endif - ONEWIRE_PAD_MODE_ACTIVE, -#if ONEWIRE_USE_STRONG_PULLUP - strong_pullup_assert, - strong_pullup_release -#endif -}; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -#if ONEWIRE_USE_STRONG_PULLUP -/** - * - */ -static void strong_pullup_assert(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -} - -/** - * - */ -static void strong_pullup_release(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); -} -#endif /* ONEWIRE_USE_STRONG_PULLUP */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void onewireTest(void) { - - int16_t tmp; - uint8_t rombuf[24]; - size_t devices_on_bus = 0; - size_t i = 0; - bool presence; - - onewireObjectInit(&OWD1); - onewireStart(&OWD1, &ow_cfg); - -#if ONEWIRE_SYNTH_SEARCH_TEST - synthSearchRomTest(&OWD1); -#endif - - for (i=0; i<3; i++) - temperature[i] = -666; - - while (true) { - if (true == onewireReset(&OWD1)){ - - memset(rombuf, 0x55, sizeof(rombuf)); - search_led_on(); - devices_on_bus = onewireSearchRom(&OWD1, rombuf, 3); - search_led_off(); - osalDbgCheck(devices_on_bus <= 3); - osalDbgCheck(devices_on_bus > 0); - - if (1 == devices_on_bus){ - /* test read rom command */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_READ_ROM; - onewireWrite(&OWD1, testbuf, 1, 0); - onewireRead(&OWD1, testbuf, 8); - osalDbgCheck(testbuf[7] == onewireCRC(testbuf, 7)); - osalDbgCheck(0 == memcmp(rombuf, testbuf, 8)); - } - - /* start temperature measurement on all connected devices at once */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_SKIP_ROM; - testbuf[1] = ONEWIRE_CMD_CONVERT_TEMP; - -#if ONEWIRE_USE_STRONG_PULLUP - onewireWrite(&OWD1, testbuf, 2, MS2ST(750)); -#else - onewireWrite(&OWD1, testbuf, 2, 0); - /* poll bus waiting ready signal from all connected devices */ - testbuf[0] = 0; - while (testbuf[0] == 0){ - osalThreadSleepMilliseconds(50); - onewireRead(&OWD1, testbuf, 1); - } -#endif - - for (i=0; i - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -/* do not set it more than 64 because of some fill_pattern functions - * will be broken.*/ -#define SYNTH_DEVICES_MAX 64 - -/* - * synthetic device - */ -typedef struct { - bool active; - uint64_t id; -} OWSynthDevice; - -/* - * synthetic bus - */ -typedef struct { - OWSynthDevice devices[SYNTH_DEVICES_MAX]; - size_t dev_present; - bool complement_bit; - ioline_t rom_bit; -} OWSynthBus; - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static OWSynthBus synth_bus; - -/* - * local buffer for discovered ROMs - */ -static uint64_t detected_devices[SYNTH_DEVICES_MAX]; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void _synth_ow_write_bit(onewireDriver *owp, ioline_t bit) { - (void)owp; - size_t i; - - for (i=0; i> synth_bus.rom_bit) & 1U) != bit) { - synth_bus.devices[i].active = false; - } - } - synth_bus.rom_bit++; -} - -/** - * - */ -ioline_t _synth_ow_read_bit(void) { - ioline_t ret = 0xFF; - size_t i; - ioline_t bit; - - for (i=0; i> synth_bus.rom_bit) & 1U; - if (synth_bus.complement_bit){ - bit ^= 1U; - } - if (0xFF == ret) - ret = bit; - else - ret &= bit; - } - } - synth_bus.complement_bit = !synth_bus.complement_bit; - return ret; -} - -/** - * - */ -static void synth_reset_pulse(void){ - size_t i; - - for (i=0; isearch_rom); - - do { - /* initialize buffer to store result */ - if (owp->search_rom.reg.devices_found >= max_rom_cnt) - owp->search_rom.retbuf = result + 8*(max_rom_cnt-1); - else - owp->search_rom.retbuf = result + 8*owp->search_rom.reg.devices_found; - memset(owp->search_rom.retbuf, 0, 8); - - /* clean iteration state */ - search_clean_iteration(&owp->search_rom); - - /**/ - synth_reset_pulse(); - synth_bus.rom_bit = 0; - synth_bus.complement_bit = false; - for (i=0; i<64*3 - 1; i++){ - ow_search_rom_cb(NULL, owp); - } - - if (ONEWIRE_SEARCH_ROM_ERROR != owp->search_rom.reg.result) { - /* store cached result for usage in next iteration */ - memcpy(owp->search_rom.prev_path, owp->search_rom.retbuf, 8); - } - } - while (ONEWIRE_SEARCH_ROM_SUCCESS == owp->search_rom.reg.result); - - /**/ - if (ONEWIRE_SEARCH_ROM_ERROR == owp->search_rom.reg.result) - return 0; - else - return owp->search_rom.reg.devices_found; -} - -/** - * - */ -static void fill_pattern_real_devices(void) { - size_t i; - - for (i=0; i> i); - } -} - -/** - * @brief random pattern helper - */ -static bool is_id_uniq(const OWSynthDevice *dev, size_t n, uint64_t id) { - size_t i; - - for (i=0; i - -#include "hal.h" - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -#if defined(BOARD_ST_STM32F4_DISCOVERY) || \ - defined(BOARD_ST_STM32F0_DISCOVERY) || \ - defined(BOARD_ST_STM32F0308_DISCOVERY) - #if ONEWIRE_USE_STRONG_PULLUP - #error "This board has not enough voltage for this feature" - #endif -#endif - -#if defined(BOARD_ST_STM32F0308_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOC, GPIOC_LED4)) - #define search_led_on() (palSetPad(GPIOC, GPIOC_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_ST_STM32F4_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOD, GPIOD_LED4)) - #define search_led_on() (palSetPad(GPIOD, GPIOD_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_OLIMEX_STM32_103STK) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN 0 - #define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT - #define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN - #define search_led_on() (palClearPad(GPIOC, GPIOC_LED)) - #define search_led_off() (palSetPad(GPIOC, GPIOC_LED)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#else - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_TACHOMETER - #include "pads.h" - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_on red_led_on - #define search_led_off red_led_off - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#endif - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ -/* - * Forward declarations - */ -#if ONEWIRE_USE_STRONG_PULLUP -static void strong_pullup_assert(void); -static void strong_pullup_release(void); -#endif - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static uint8_t testbuf[12]; - -/* stores 3 temperature values in millicelsius */ -static int32_t temperature[3]; - -/* - * Config for underlied PWM driver. - * Note! It is NOT constant because 1-wire driver needs to change them - * during functioning. - */ -static PWMConfig pwm_cfg = { - 0, - 0, - NULL, - { - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL} - }, - 0, -#if STM32_PWM_USE_ADVANCED - 0, -#endif - 0 -}; - -/* - * - */ -static const onewireConfig ow_cfg = { - &PWMD3, - &pwm_cfg, - PWM_OUTPUT_ACTIVE_LOW, - ONEWIRE_MASTER_CHANNEL, - ONEWIRE_SAMPLE_CHANNEL, - ONEWIRE_PORT, - ONEWIRE_PIN, -#if defined(STM32F1XX) - ONEWIRE_PAD_MODE_IDLE, -#endif - ONEWIRE_PAD_MODE_ACTIVE, -#if ONEWIRE_USE_STRONG_PULLUP - strong_pullup_assert, - strong_pullup_release -#endif -}; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -#if ONEWIRE_USE_STRONG_PULLUP -/** - * - */ -static void strong_pullup_assert(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -} - -/** - * - */ -static void strong_pullup_release(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); -} -#endif /* ONEWIRE_USE_STRONG_PULLUP */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void onewireTest(void) { - - int16_t tmp; - uint8_t rombuf[24]; - size_t devices_on_bus = 0; - size_t i = 0; - bool presence; - - onewireObjectInit(&OWD1); - onewireStart(&OWD1, &ow_cfg); - -#if ONEWIRE_SYNTH_SEARCH_TEST - synthSearchRomTest(&OWD1); -#endif - - for (i=0; i<3; i++) - temperature[i] = -666; - - while (true) { - if (true == onewireReset(&OWD1)){ - - memset(rombuf, 0x55, sizeof(rombuf)); - search_led_on(); - devices_on_bus = onewireSearchRom(&OWD1, rombuf, 3); - search_led_off(); - osalDbgCheck(devices_on_bus <= 3); - osalDbgCheck(devices_on_bus > 0); - - if (1 == devices_on_bus){ - /* test read rom command */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_READ_ROM; - onewireWrite(&OWD1, testbuf, 1, 0); - onewireRead(&OWD1, testbuf, 8); - osalDbgCheck(testbuf[7] == onewireCRC(testbuf, 7)); - osalDbgCheck(0 == memcmp(rombuf, testbuf, 8)); - } - - /* start temperature measurement on all connected devices at once */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_SKIP_ROM; - testbuf[1] = ONEWIRE_CMD_CONVERT_TEMP; - -#if ONEWIRE_USE_STRONG_PULLUP - onewireWrite(&OWD1, testbuf, 2, MS2ST(750)); -#else - onewireWrite(&OWD1, testbuf, 2, 0); - /* poll bus waiting ready signal from all connected devices */ - testbuf[0] = 0; - while (testbuf[0] == 0){ - osalThreadSleepMilliseconds(50); - onewireRead(&OWD1, testbuf, 1); - } -#endif - - for (i=0; i - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -/* do not set it more than 64 because of some fill_pattern functions - * will be broken.*/ -#define SYNTH_DEVICES_MAX 64 - -/* - * synthetic device - */ -typedef struct { - bool active; - uint64_t id; -} OWSynthDevice; - -/* - * synthetic bus - */ -typedef struct { - OWSynthDevice devices[SYNTH_DEVICES_MAX]; - size_t dev_present; - bool complement_bit; - ioline_t rom_bit; -} OWSynthBus; - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static OWSynthBus synth_bus; - -/* - * local buffer for discovered ROMs - */ -static uint64_t detected_devices[SYNTH_DEVICES_MAX]; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void _synth_ow_write_bit(onewireDriver *owp, ioline_t bit) { - (void)owp; - size_t i; - - for (i=0; i> synth_bus.rom_bit) & 1U) != bit) { - synth_bus.devices[i].active = false; - } - } - synth_bus.rom_bit++; -} - -/** - * - */ -ioline_t _synth_ow_read_bit(void) { - ioline_t ret = 0xFF; - size_t i; - ioline_t bit; - - for (i=0; i> synth_bus.rom_bit) & 1U; - if (synth_bus.complement_bit){ - bit ^= 1U; - } - if (0xFF == ret) - ret = bit; - else - ret &= bit; - } - } - synth_bus.complement_bit = !synth_bus.complement_bit; - return ret; -} - -/** - * - */ -static void synth_reset_pulse(void){ - size_t i; - - for (i=0; isearch_rom); - - do { - /* initialize buffer to store result */ - if (owp->search_rom.reg.devices_found >= max_rom_cnt) - owp->search_rom.retbuf = result + 8*(max_rom_cnt-1); - else - owp->search_rom.retbuf = result + 8*owp->search_rom.reg.devices_found; - memset(owp->search_rom.retbuf, 0, 8); - - /* clean iteration state */ - search_clean_iteration(&owp->search_rom); - - /**/ - synth_reset_pulse(); - synth_bus.rom_bit = 0; - synth_bus.complement_bit = false; - for (i=0; i<64*3 - 1; i++){ - ow_search_rom_cb(NULL, owp); - } - - if (ONEWIRE_SEARCH_ROM_ERROR != owp->search_rom.reg.result) { - /* store cached result for usage in next iteration */ - memcpy(owp->search_rom.prev_path, owp->search_rom.retbuf, 8); - } - } - while (ONEWIRE_SEARCH_ROM_SUCCESS == owp->search_rom.reg.result); - - /**/ - if (ONEWIRE_SEARCH_ROM_ERROR == owp->search_rom.reg.result) - return 0; - else - return owp->search_rom.reg.devices_found; -} - -/** - * - */ -static void fill_pattern_real_devices(void) { - size_t i; - - for (i=0; i> i); - } -} - -/** - * @brief random pattern helper - */ -static bool is_id_uniq(const OWSynthDevice *dev, size_t n, uint64_t id) { - size_t i; - - for (i=0; i - -#include "hal.h" - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -#if defined(BOARD_ST_STM32F4_DISCOVERY) || \ - defined(BOARD_ST_STM32F0_DISCOVERY) || \ - defined(BOARD_ST_STM32F0308_DISCOVERY) - #if ONEWIRE_USE_STRONG_PULLUP - #error "This board has not enough voltage for this feature" - #endif -#endif - -#if defined(BOARD_ST_STM32F0308_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOC, GPIOC_LED4)) - #define search_led_on() (palSetPad(GPIOC, GPIOC_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_ST_STM32F4_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOD, GPIOD_LED4)) - #define search_led_on() (palSetPad(GPIOD, GPIOD_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_OLIMEX_STM32_103STK) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN 0 - #define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT - #define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN - #define search_led_on() (palClearPad(GPIOC, GPIOC_LED)) - #define search_led_off() (palSetPad(GPIOC, GPIOC_LED)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#else - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_TACHOMETER - #include "pads.h" - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_on red_led_on - #define search_led_off red_led_off - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#endif - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ -/* - * Forward declarations - */ -#if ONEWIRE_USE_STRONG_PULLUP -static void strong_pullup_assert(void); -static void strong_pullup_release(void); -#endif - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static uint8_t testbuf[12]; - -/* stores 3 temperature values in millicelsius */ -static int32_t temperature[3]; - -/* - * Config for underlied PWM driver. - * Note! It is NOT constant because 1-wire driver needs to change them - * during functioning. - */ -static PWMConfig pwm_cfg = { - 0, - 0, - NULL, - { - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL} - }, - 0, -#if STM32_PWM_USE_ADVANCED - 0, -#endif - 0 -}; - -/* - * - */ -static const onewireConfig ow_cfg = { - &PWMD3, - &pwm_cfg, - PWM_OUTPUT_ACTIVE_LOW, - ONEWIRE_MASTER_CHANNEL, - ONEWIRE_SAMPLE_CHANNEL, - ONEWIRE_PORT, - ONEWIRE_PIN, -#if defined(STM32F1XX) - ONEWIRE_PAD_MODE_IDLE, -#endif - ONEWIRE_PAD_MODE_ACTIVE, -#if ONEWIRE_USE_STRONG_PULLUP - strong_pullup_assert, - strong_pullup_release -#endif -}; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -#if ONEWIRE_USE_STRONG_PULLUP -/** - * - */ -static void strong_pullup_assert(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -} - -/** - * - */ -static void strong_pullup_release(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); -} -#endif /* ONEWIRE_USE_STRONG_PULLUP */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void onewireTest(void) { - - int16_t tmp; - uint8_t rombuf[24]; - size_t devices_on_bus = 0; - size_t i = 0; - bool presence; - - onewireObjectInit(&OWD1); - onewireStart(&OWD1, &ow_cfg); - -#if ONEWIRE_SYNTH_SEARCH_TEST - synthSearchRomTest(&OWD1); -#endif - - for (i=0; i<3; i++) - temperature[i] = -666; - - while (true) { - if (true == onewireReset(&OWD1)){ - - memset(rombuf, 0x55, sizeof(rombuf)); - search_led_on(); - devices_on_bus = onewireSearchRom(&OWD1, rombuf, 3); - search_led_off(); - osalDbgCheck(devices_on_bus <= 3); - osalDbgCheck(devices_on_bus > 0); - - if (1 == devices_on_bus){ - /* test read rom command */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_READ_ROM; - onewireWrite(&OWD1, testbuf, 1, 0); - onewireRead(&OWD1, testbuf, 8); - osalDbgCheck(testbuf[7] == onewireCRC(testbuf, 7)); - osalDbgCheck(0 == memcmp(rombuf, testbuf, 8)); - } - - /* start temperature measurement on all connected devices at once */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_SKIP_ROM; - testbuf[1] = ONEWIRE_CMD_CONVERT_TEMP; - -#if ONEWIRE_USE_STRONG_PULLUP - onewireWrite(&OWD1, testbuf, 2, MS2ST(750)); -#else - onewireWrite(&OWD1, testbuf, 2, 0); - /* poll bus waiting ready signal from all connected devices */ - testbuf[0] = 0; - while (testbuf[0] == 0){ - osalThreadSleepMilliseconds(50); - onewireRead(&OWD1, testbuf, 1); - } -#endif - - for (i=0; i - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -/* do not set it more than 64 because of some fill_pattern functions - * will be broken.*/ -#define SYNTH_DEVICES_MAX 64 - -/* - * synthetic device - */ -typedef struct { - bool active; - uint64_t id; -} OWSynthDevice; - -/* - * synthetic bus - */ -typedef struct { - OWSynthDevice devices[SYNTH_DEVICES_MAX]; - size_t dev_present; - bool complement_bit; - ioline_t rom_bit; -} OWSynthBus; - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static OWSynthBus synth_bus; - -/* - * local buffer for discovered ROMs - */ -static uint64_t detected_devices[SYNTH_DEVICES_MAX]; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void _synth_ow_write_bit(onewireDriver *owp, ioline_t bit) { - (void)owp; - size_t i; - - for (i=0; i> synth_bus.rom_bit) & 1U) != bit) { - synth_bus.devices[i].active = false; - } - } - synth_bus.rom_bit++; -} - -/** - * - */ -ioline_t _synth_ow_read_bit(void) { - ioline_t ret = 0xFF; - size_t i; - ioline_t bit; - - for (i=0; i> synth_bus.rom_bit) & 1U; - if (synth_bus.complement_bit){ - bit ^= 1U; - } - if (0xFF == ret) - ret = bit; - else - ret &= bit; - } - } - synth_bus.complement_bit = !synth_bus.complement_bit; - return ret; -} - -/** - * - */ -static void synth_reset_pulse(void){ - size_t i; - - for (i=0; isearch_rom); - - do { - /* initialize buffer to store result */ - if (owp->search_rom.reg.devices_found >= max_rom_cnt) - owp->search_rom.retbuf = result + 8*(max_rom_cnt-1); - else - owp->search_rom.retbuf = result + 8*owp->search_rom.reg.devices_found; - memset(owp->search_rom.retbuf, 0, 8); - - /* clean iteration state */ - search_clean_iteration(&owp->search_rom); - - /**/ - synth_reset_pulse(); - synth_bus.rom_bit = 0; - synth_bus.complement_bit = false; - for (i=0; i<64*3 - 1; i++){ - ow_search_rom_cb(NULL, owp); - } - - if (ONEWIRE_SEARCH_ROM_ERROR != owp->search_rom.reg.result) { - /* store cached result for usage in next iteration */ - memcpy(owp->search_rom.prev_path, owp->search_rom.retbuf, 8); - } - } - while (ONEWIRE_SEARCH_ROM_SUCCESS == owp->search_rom.reg.result); - - /**/ - if (ONEWIRE_SEARCH_ROM_ERROR == owp->search_rom.reg.result) - return 0; - else - return owp->search_rom.reg.devices_found; -} - -/** - * - */ -static void fill_pattern_real_devices(void) { - size_t i; - - for (i=0; i> i); - } -} - -/** - * @brief random pattern helper - */ -static bool is_id_uniq(const OWSynthDevice *dev, size_t n, uint64_t id) { - size_t i; - - for (i=0; i + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +/* do not set it more than 64 because of some fill_pattern functions + will be broken.*/ +#define SYNTH_DEVICES_MAX 64 + +/* + * synthetic device + */ +typedef struct { + bool active; + uint64_t id; +} OWSynthDevice; + +/* + * synthetic bus + */ +typedef struct { + OWSynthDevice devices[SYNTH_DEVICES_MAX]; + size_t dev_present; + bool complement_bit; + ioline_t rom_bit; +} OWSynthBus; + +/* + ****************************************************************************** + * EXTERNS + ****************************************************************************** + */ + +/* + ****************************************************************************** + * PROTOTYPES + ****************************************************************************** + */ + +/* + ****************************************************************************** + * GLOBAL VARIABLES + ****************************************************************************** + */ + +static OWSynthBus synth_bus; + +/* + * local buffer for discovered ROMs + */ +static uint64_t detected_devices[SYNTH_DEVICES_MAX]; + +/* + ****************************************************************************** + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + ****************************************************************************** + */ + +/* + ****************************************************************************** + * EXPORTED FUNCTIONS + ****************************************************************************** + */ + +/* + * + */ +void _synth_ow_write_bit(onewireDriver *owp, ioline_t bit) { + (void)owp; + size_t i; + + for (i=0; i> synth_bus.rom_bit) & 1U) != bit) { + synth_bus.devices[i].active = false; + } + } + synth_bus.rom_bit++; +} + +/* + * + */ +ioline_t _synth_ow_read_bit(void) { + ioline_t ret = 0xFF; + size_t i; + ioline_t bit; + + for (i=0; i> synth_bus.rom_bit) & 1U; + if (synth_bus.complement_bit){ + bit ^= 1U; + } + if (0xFF == ret) + ret = bit; + else + ret &= bit; + } + } + synth_bus.complement_bit = !synth_bus.complement_bit; + return ret; +} + +/* + * + */ +static void synth_reset_pulse(void){ + size_t i; + + for (i=0; isearch_rom); + + do { + /* initialize buffer to store result */ + if (owp->search_rom.reg.devices_found >= max_rom_cnt) + owp->search_rom.retbuf = result + 8*(max_rom_cnt-1); + else + owp->search_rom.retbuf = result + 8*owp->search_rom.reg.devices_found; + memset(owp->search_rom.retbuf, 0, 8); + + /* clean iteration state */ + search_clean_iteration(&owp->search_rom); + + /**/ + synth_reset_pulse(); + synth_bus.rom_bit = 0; + synth_bus.complement_bit = false; + for (i=0; i<64*3 - 1; i++){ + ow_search_rom_cb(NULL, owp); + } + + if (ONEWIRE_SEARCH_ROM_ERROR != owp->search_rom.reg.result) { + /* store cached result for usage in next iteration */ + memcpy(owp->search_rom.prev_path, owp->search_rom.retbuf, 8); + } + } + while (ONEWIRE_SEARCH_ROM_SUCCESS == owp->search_rom.reg.result); + + /**/ + if (ONEWIRE_SEARCH_ROM_ERROR == owp->search_rom.reg.result) + return 0; + else + return owp->search_rom.reg.devices_found; +} + +/* + * + */ +static void fill_pattern_real_devices(void) { + size_t i; + + for (i=0; i> i); + } +} + +/* + * Random pattern helper + */ +static bool is_id_uniq(const OWSynthDevice *dev, size_t n, uint64_t id) { + size_t i; + + for (i=0; i + +#include "hal.h" +#include "boarddef.h" + +/* + ****************************************************************************** + * ERROR CHECKS + ****************************************************************************** + */ + +#if defined(BOARD_ST_STM32F4_DISCOVERY) || \ + defined(BOARD_ST_STM32F0_DISCOVERY) || \ + defined(BOARD_ST_STM32F0308_DISCOVERY) + #if ONEWIRE_USE_STRONG_PULLUP + #error "This board has not enough voltage for this feature" + #endif +#endif + +/* + ****************************************************************************** + * DEFINES + ****************************************************************************** + */ + +/* + ****************************************************************************** + * EXTERNS + ****************************************************************************** + */ + +/* + ****************************************************************************** + * PROTOTYPES + ****************************************************************************** + */ +/* + * Forward declarations + */ +#if ONEWIRE_USE_STRONG_PULLUP +static void strong_pullup_assert(void); +static void strong_pullup_release(void); +#endif + +/* + ****************************************************************************** + * GLOBAL VARIABLES + ****************************************************************************** + */ + +static uint8_t testbuf[12]; + +/* stores 3 temperature values in millicelsius */ +static int32_t temperature[3]; + +/* + * Config for underlying PWM driver. + * Note! It is NOT constant because 1-wire driver needs to change them + * during functioning. + */ +static PWMConfig pwm_cfg = { + 0, + 0, + NULL, + { + {PWM_OUTPUT_DISABLED, NULL}, + {PWM_OUTPUT_DISABLED, NULL}, + {PWM_OUTPUT_DISABLED, NULL}, + {PWM_OUTPUT_DISABLED, NULL} + }, + 0, +#if STM32_PWM_USE_ADVANCED + 0, +#endif + 0 +}; + +/* + * + */ +static const onewireConfig ow_cfg = { + &PWMD3, + &pwm_cfg, + PWM_OUTPUT_ACTIVE_LOW, + ONEWIRE_MASTER_CHANNEL, + ONEWIRE_SAMPLE_CHANNEL, + ONEWIRE_PORT, + ONEWIRE_PIN, +#if defined(STM32F1XX) + ONEWIRE_PAD_MODE_IDLE, +#endif + ONEWIRE_PAD_MODE_ACTIVE, +#if ONEWIRE_USE_STRONG_PULLUP + strong_pullup_assert, + strong_pullup_release +#endif +}; + +/* + ****************************************************************************** + ****************************************************************************** + * LOCAL FUNCTIONS + ****************************************************************************** + ****************************************************************************** + */ + +#if ONEWIRE_USE_STRONG_PULLUP +/** + * + */ +static void strong_pullup_assert(void) { + palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); +} + +/** + * + */ +static void strong_pullup_release(void) { + palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); +} +#endif /* ONEWIRE_USE_STRONG_PULLUP */ + +/* + ****************************************************************************** + * EXPORTED FUNCTIONS + ****************************************************************************** + */ + +/* + * + */ +void onewireTest(void) { + + int16_t tmp; + uint8_t rombuf[24]; + size_t devices_on_bus = 0; + size_t i = 0; + bool presence; + + onewireObjectInit(&OWD1); + onewireStart(&OWD1, &ow_cfg); + +#if ONEWIRE_SYNTH_SEARCH_TEST + synthSearchRomTest(&OWD1); +#endif + + for (i=0; i<3; i++) + temperature[i] = -666; + + while (true) { + if (true == onewireReset(&OWD1)){ + + memset(rombuf, 0x55, sizeof(rombuf)); + search_led_on(); + devices_on_bus = onewireSearchRom(&OWD1, rombuf, 3); + search_led_off(); + osalDbgCheck(devices_on_bus <= 3); + osalDbgCheck(devices_on_bus > 0); + + if (1 == devices_on_bus){ + /* test read rom command */ + presence = onewireReset(&OWD1); + osalDbgCheck(true == presence); + testbuf[0] = ONEWIRE_CMD_READ_ROM; + onewireWrite(&OWD1, testbuf, 1, 0); + onewireRead(&OWD1, testbuf, 8); + osalDbgCheck(testbuf[7] == onewireCRC(testbuf, 7)); + osalDbgCheck(0 == memcmp(rombuf, testbuf, 8)); + } + + /* start temperature measurement on all connected devices at once */ + presence = onewireReset(&OWD1); + osalDbgCheck(true == presence); + testbuf[0] = ONEWIRE_CMD_SKIP_ROM; + testbuf[1] = ONEWIRE_CMD_CONVERT_TEMP; + +#if ONEWIRE_USE_STRONG_PULLUP + onewireWrite(&OWD1, testbuf, 2, MS2ST(750)); +#else + onewireWrite(&OWD1, testbuf, 2, 0); + /* poll bus waiting ready signal from all connected devices */ + testbuf[0] = 0; + while (testbuf[0] == 0){ + osalThreadSleepMilliseconds(50); + onewireRead(&OWD1, testbuf, 1); + } +#endif + + for (i=0; i