diff options
Diffstat (limited to 'testex/STM32/STM32F4xx/I2C-BMP085/main.c')
| -rw-r--r-- | testex/STM32/STM32F4xx/I2C-BMP085/main.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/testex/STM32/STM32F4xx/I2C-BMP085/main.c b/testex/STM32/STM32F4xx/I2C-BMP085/main.c new file mode 100644 index 000000000..59e73610b --- /dev/null +++ b/testex/STM32/STM32F4xx/I2C-BMP085/main.c @@ -0,0 +1,261 @@ +/*
+ 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 files. */
+/*==========================================================================*/
+
+#include "ch.h"
+#include "hal.h"
+
+#include "string.h"
+#include "shell.h"
+#include "chprintf.h"
+
+#include "bmp085.h"
+
+/*==========================================================================*/
+/* Variables and Driver configuration for the demo. */
+/*==========================================================================*/
+
+/* Use to write to the serial driver */
+//static BaseSequentialStream *chp = (BaseSequentialStream*) &SD2;
+
+/* BMP085 Driver: This object represent an BMP085 instance. */
+static BMP085Driver BMP085D1;
+
+/* Raw data buffer for the BMP sensor. */
+static int32_t rawdata[BMP085_BARO_NUMBER_OF_AXES +
+ BMP085_THERMO_NUMBER_OF_AXES];
+
+/* Cooked data buffer for the BMP sensor. */
+static float cookeddata[BMP085_BARO_NUMBER_OF_AXES +
+ BMP085_THERMO_NUMBER_OF_AXES];
+
+/**
+ * @brief I2C configuration structure.
+ */
+static const I2CConfig i2cConfig = {
+ OPMODE_I2C, /* I2C inetrface peration mode. */
+ 400000, /* I2C interface clock speed. */
+ FAST_DUTY_CYCLE_2, /* I2C interface duty cycle mode. */
+};
+
+/**
+ * @brief BMP085 Barometer configuration structure.
+ */
+static const BMP085BaroConfig bmp085BaroConfig = {
+ BMP085_BARO_CT_LOW, /* Pressure conversion time. */
+ BMP085_BARO_MODE_LOW, /* BMP085 Mode. */
+ BMP085_BARO_OSS_0 /* Oversempling setting. */
+};
+
+/**
+ * @brief BMP085 Thermometeer configuration structure.
+ */
+static const BMP085ThermoConfig bmp085ThermoConfig = {
+ BMP085_THERMO_CT_LOW /* Temperature conversion time */
+};
+
+/**
+ * @brief BMP085 configuration structure.
+ */
+static const BMP085Config bmp085Config = {
+ &I2CD1, /* I2C Driver pointer. */
+ &i2cConfig, /* I2C Driver configuration. */
+ &bmp085BaroConfig, /* BMP085 Baromether configuration. */
+ &bmp085ThermoConfig /* BMP085 Thermometer configuration. */
+};
+
+/*==========================================================================*/
+/* Command line related. */
+/*==========================================================================*/
+
+/* 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 != 2) {
+ chprintf(chp, "Usage: read [baro|thermo|both] [raw|cooked]\r\n");
+ return;
+ }
+
+ while (chnGetTimeout((BaseChannel *)chp, 150) == Q_TIMEOUT) {
+ if (!strcmp (argv[0], "baro")) {
+ if (!strcmp (argv[1], "raw")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ barometerReadRaw(&BMP085D1, rawdata);
+ chprintf(chp, "BMP085 Barometer raw data...\r\n");
+ chprintf(chp, "Raw pressure: %d\r\n", *rawdata);
+ }
+ else if (!strcmp (argv[1], "cooked")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ barometerReadCooked(&BMP085D1, cookeddata);
+ chprintf(chp, "BMP085 Barometer cooked data...\r\n");
+ chprintf(chp, "Cooked pressure: %.2f %%\r\n", *cookeddata);
+ }
+ else {
+ chprintf(chp, "Usage: read [baro|thermo|both] [raw|cooked]\r\n");
+ return;
+ }
+ }
+ else if (!strcmp (argv[0], "thermo")) {
+ if (!strcmp (argv[1], "raw")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ thermometerReadRaw(&BMP085D1, rawdata);
+ chprintf(chp, "BMP085 Thermometer raw data...\r\n");
+ chprintf(chp, "Raw temperature: %d\r\n", *rawdata);
+ }
+ else if (!strcmp (argv[1], "cooked")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ thermometerReadCooked(&BMP085D1, cookeddata);
+ chprintf(chp, "BMP085 Thermometer cooked data...\r\n");
+ chprintf(chp, "Cooked temperature: %.2f °C\r\n", *cookeddata);
+ }
+ else {
+ chprintf(chp, "Usage: read [baro|thermo|both] [raw|cooked]\r\n");
+ return;
+ }
+ }
+ else if (!strcmp (argv[0], "both")) {
+ if (!strcmp (argv[1], "raw")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ sensorReadRaw(&BMP085D1, rawdata);
+ chprintf(chp, "BMP085 Barometer raw data...\r\n");
+ chprintf(chp, "Raw pressure: %d\r\n", rawdata[0]);
+ chprintf(chp, "BMP085 Thermometer raw data...\r\n");
+ chprintf(chp, "Raw temperature: %d\r\n", rawdata[1]);
+ }
+ else if (!strcmp (argv[1], "cooked")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ sensorReadCooked(&BMP085D1, cookeddata);
+ chprintf(chp, "BMP085 Barometer cooked data...\r\n");
+ chprintf(chp, "Cooked pressure: %.2f %%\r\n", cookeddata[0]);
+ chprintf(chp, "BMP085 Thermometer cooked data...\r\n");
+ chprintf(chp, "Cooked temperature: %.2f °C\r\n", cookeddata[1]);
+ }
+ else {
+ chprintf(chp, "Usage: read [baro|thermo|both] [raw|cooked]\r\n");
+ return;
+ }
+ }
+ else {
+ chprintf(chp, "Usage: read [baro|thermo|both] [raw|cooked]\r\n");
+ return;
+ }
+ }
+ chprintf(chp, "Stopped\r\n");
+}
+
+static const ShellCommand commands[] = {
+ {"read", cmd_read},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SD2,
+ 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) {
+ palClearPad(GPIOA, GPIOA_LED_GREEN);
+ chThdSleepMilliseconds(500);
+ palSetPad(GPIOA, GPIOA_LED_GREEN);
+ chThdSleepMilliseconds(500);
+ }
+}
+
+/*
+ * 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();
+
+ /* Configure the I2C Driver and i2C Pins. */
+ palSetLineMode(LINE_ARD_D15, PAL_MODE_ALTERNATE(4) |
+ PAL_STM32_OSPEED_HIGHEST | PAL_STM32_OTYPE_OPENDRAIN);
+ palSetLineMode(LINE_ARD_D14, PAL_MODE_ALTERNATE(4) |
+ PAL_STM32_OSPEED_HIGHEST | PAL_STM32_OTYPE_OPENDRAIN);
+
+ /*
+ * Activates the serial driver 2 using the driver default configuration.
+ */
+ sdStart(&SD2, NULL);
+
+ /*
+ * Creates the blinker thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ /*
+ * BMP085 Object Initialization.
+ */
+ bmp085ObjectInit(&BMP085D1);
+
+ /*
+ * Activates the BMP085 driver.
+ */
+ bmp085Start(&BMP085D1, &bmp085Config);
+
+ /*
+ * Shell manager initialization.
+ */
+ shellInit();
+
+ while(TRUE) {
+
+ thread_t *shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
+ "shell", NORMALPRIO + 1,
+ shellThread, (void *)&shell_cfg1);
+ chThdWait(shelltp); /* Waiting termination. */
+ chThdSleepMilliseconds(1000);
+ }
+ bmp085Stop(&BMP085D1);
+}
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