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authorRocco Marco Guglielmi <roccomarco.guglielmi@live.com>2016-09-30 11:43:39 +0000
committerRocco Marco Guglielmi <roccomarco.guglielmi@live.com>2016-09-30 11:43:39 +0000
commit5bc849172523cfdd32db4ff2ad32b63f0c6e2bd3 (patch)
tree2585f8a60fa14ac1e60566389815654c3f0181cc /testex/STM32/STM32F3xx/SPI-L3GD20/main.c
parentcee57439e620a04609e2f077c1a05616beac624f (diff)
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Moving all EX demos under testex.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9827 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testex/STM32/STM32F3xx/SPI-L3GD20/main.c')
-rw-r--r--testex/STM32/STM32F3xx/SPI-L3GD20/main.c265
1 files changed, 265 insertions, 0 deletions
diff --git a/testex/STM32/STM32F3xx/SPI-L3GD20/main.c b/testex/STM32/STM32F3xx/SPI-L3GD20/main.c
new file mode 100644
index 000000000..2df0437b1
--- /dev/null
+++ b/testex/STM32/STM32F3xx/SPI-L3GD20/main.c
@@ -0,0 +1,265 @@
+/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+ 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 "ch.h"
+#include "hal.h"
+
+#include "usbcfg.h"
+#include "string.h"
+#include "shell.h"
+#include "chprintf.h"
+
+#include "l3gd20.h"
+
+/*===========================================================================*/
+/* L3GD20 related. */
+/*===========================================================================*/
+
+/* L3GD20 Driver: This object represent an L3GD20 instance.*/
+static L3GD20Driver L3GD20D1;
+
+static int32_t rawdata[L3GD20_NUMBER_OF_AXES];
+static float cookeddata[L3GD20_NUMBER_OF_AXES];
+
+static char axisID[L3GD20_NUMBER_OF_AXES] = {'X', 'Y', 'Z'};
+static uint32_t i;
+
+static const SPIConfig spicfg = {
+ NULL,
+ GPIOE, /* port of L3GD20 CS.*/
+ GPIOE_L3GD20_CS, /* pin of L3GD20 CS.*/
+ SPI_CR1_BR | SPI_CR1_CPOL | SPI_CR1_CPHA, /* CR1 register.*/
+ 0 /* CR2 register.*/
+};
+
+static L3GD20Config l3gd20cfg = {
+ &SPID1, /* Pointer to SPI Driver.*/
+ &spicfg, /* Pointer to SPI Configuration.*/
+ NULL, /* Use default sensitivity.*/
+ NULL, /* Use default bias.*/
+ L3GD20_FS_250DPS, /* Full scale value.*/
+ L3GD20_ODR_760HZ, /* Output data rate.*/
+#if L3GD20_USE_ADVANCED || defined(__DOXYGEN__)
+ L3GD20_BDU_CONTINUOUS,
+ L3GD20_END_LITTLE,
+ L3GD20_BW3,
+ L3GD20_HPM_REFERENCE,
+ L3GD20_HPCF_8,
+ L3GD20_LP2M_ON,
+#endif
+};
+
+/*===========================================================================*/
+/* Command line related. */
+/*===========================================================================*/
+
+/*
+ * DP resistor control is not possible on the STM32F3-Discovery, using stubs
+ * for the connection macros.
+ */
+#define usb_lld_connect_bus(usbp)
+#define usb_lld_disconnect_bus(usbp)
+
+/* Enable use of special ANSI escape sequences.*/
+#define CHPRINTF_USE_ANSI_CODE TRUE
+#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
+
+static void cmd_read(BaseSequentialStream *chp, int argc, char *argv[]) {
+ (void)argv;
+ if (argc != 1) {
+ chprintf(chp, "Usage: read [raw|cooked]\r\n");
+ return;
+ }
+
+ while (chnGetTimeout((BaseChannel *)chp, 150) == Q_TIMEOUT) {
+ if (!strcmp (argv[0], "raw")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ gyroscopeReadRaw(&L3GD20D1, rawdata);
+ chprintf(chp, "L3GD20 Gyroscope raw data...\r\n");
+ for(i = 0; i < L3GD20_NUMBER_OF_AXES; i++) {
+ chprintf(chp, "%c-axis: %d\r\n", axisID[i], rawdata[i]);
+ }
+ }
+ else if (!strcmp (argv[0], "cooked")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ gyroscopeReadCooked(&L3GD20D1, cookeddata);
+ chprintf(chp, "L3GD20 Gyroscope cooked data...\r\n");
+ for(i = 0; i < L3GD20_NUMBER_OF_AXES; i++) {
+ chprintf(chp, "%c-axis: %.4f DPS\r\n", axisID[i], cookeddata[i]);
+ }
+ }
+ else {
+ chprintf(chp, "Usage: read [raw|cooked]\r\n");
+ return;
+ }
+ }
+ chprintf(chp, "Stopped\r\n");
+}
+
+static void cmd_fullscale(BaseSequentialStream *chp, int argc, char *argv[]) {
+ (void)argv;
+ if (argc != 1) {
+ chprintf(chp, "Usage: fullscale [250|500|2000]\r\n");
+ return;
+ }
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ if(!strcmp (argv[0], "250")) {
+ gyroscopeSetFullScale(&L3GD20D1, L3GD20_FS_250DPS);
+ chprintf(chp, "L3GD20 Gyroscope full scale set to 250 dps...\r\n");
+ }
+ else if(!strcmp (argv[0], "500")) {
+ gyroscopeSetFullScale(&L3GD20D1, L3GD20_FS_500DPS);
+ chprintf(chp, "L3GD20 Gyroscope full scale set to 500 dps...\r\n");
+ }
+ else if(!strcmp (argv[0], "2000")) {
+ gyroscopeSetFullScale(&L3GD20D1, L3GD20_FS_2000DPS);
+ chprintf(chp, "L3GD20 Gyroscope full scale set to 2000 dps...\r\n");
+ }
+ else {
+ chprintf(chp, "Usage: fullscale [250|500|2000]\r\n");
+ return;
+ }
+}
+
+static void cmd_bias(BaseSequentialStream *chp, int argc, char *argv[]) {
+ (void)argv;
+ if (argc != 1) {
+ chprintf(chp, "Usage: bias [sample|reset]\r\n");
+ return;
+ }
+ if(!strcmp (argv[0], "sample")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ chprintf(chp, "Please don't move the device while Green LEDs are on!\r\n");
+ chprintf(chp, "Press a key to start...\r\n");
+ while (chnGetTimeout((BaseChannel *)chp, 500) == Q_TIMEOUT)
+ ;
+ palSetLine(LINE_LED6_GREEN);
+ palSetLine(LINE_LED7_GREEN);
+ chThdSleepMilliseconds(1000);
+ gyroscopeSampleBias(&L3GD20D1);
+ palClearLine(LINE_LED6_GREEN);
+ palClearLine(LINE_LED7_GREEN);
+ chprintf(chp, "Procedure completed!\r\n");
+ }
+ else if(!strcmp (argv[0], "reset")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ gyroscopeResetBias(&L3GD20D1);
+ chprintf(chp, "Bias correction removed!\r\n");
+ }
+ else {
+ chprintf(chp, "Usage: bias [sample|reset]\r\n");
+ return;
+ }
+}
+
+static const ShellCommand commands[] = {
+ {"read", cmd_read},
+ {"fullscale", cmd_fullscale},
+ {"bias", cmd_bias},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SDU1,
+ commands
+};
+
+/*===========================================================================*/
+/* Main code. */
+/*===========================================================================*/
+
+/*
+ * LED blinker thread, times are in milliseconds.
+ */
+static THD_WORKING_AREA(waThread1, 128);
+static THD_FUNCTION(Thread1, arg) {
+
+ (void)arg;
+ chRegSetThreadName("blinker");
+ while (true) {
+ systime_t time;
+
+ time = serusbcfg.usbp->state == USB_ACTIVE ? 250 : 500;
+ palClearLine(LINE_LED3_RED);
+ chThdSleepMilliseconds(time);
+ palSetLine(LINE_LED3_RED);
+ chThdSleepMilliseconds(time);
+ }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+ /*
+ * System initializations.
+ * - HAL initialization, this also initializes the configured device drivers
+ * and performs the board-specific initializations.
+ * - Kernel initialization, the main() function becomes a thread and the
+ * RTOS is active.
+ */
+ halInit();
+ chSysInit();
+
+ /* Initializes a serial-over-USB CDC driver.*/
+ sduObjectInit(&SDU1);
+ sduStart(&SDU1, &serusbcfg);
+
+ /*
+ * Activates the USB driver and then the USB bus pull-up on D+.
+ * Note, a delay is inserted in order to not have to disconnect the cable
+ * after a reset.
+ */
+ usbDisconnectBus(serusbcfg.usbp);
+ chThdSleepMilliseconds(1500);
+ usbStart(serusbcfg.usbp, &usbcfg);
+ usbConnectBus(serusbcfg.usbp);
+
+ /* Creates the blinker thread.*/
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO + 1, Thread1, NULL);
+
+ /* L3GD20 Object Initialization.*/
+ l3gd20ObjectInit(&L3GD20D1);
+
+ /* Activates the L3GD20 driver.*/
+ l3gd20Start(&L3GD20D1, &l3gd20cfg);
+
+ /* Shell manager initialization.*/
+ shellInit();
+
+ while(TRUE) {
+ if (SDU1.config->usbp->state == USB_ACTIVE) {
+ thread_t *shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
+ "shell", NORMALPRIO + 1,
+ shellThread, (void *)&shell_cfg1);
+ chThdWait(shelltp); /* Waiting termination. */
+ }
+ chThdSleepMilliseconds(1000);
+ }
+ l3gd20Stop(&L3GD20D1);
+ return 0;
+}