diff options
Diffstat (limited to 'testex/STM32/STM32F4xx/I2C-LPS25H/main.c')
| -rw-r--r-- | testex/STM32/STM32F4xx/I2C-LPS25H/main.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/testex/STM32/STM32F4xx/I2C-LPS25H/main.c b/testex/STM32/STM32F4xx/I2C-LPS25H/main.c new file mode 100644 index 000000000..b708fe6d2 --- /dev/null +++ b/testex/STM32/STM32F4xx/I2C-LPS25H/main.c @@ -0,0 +1,180 @@ +/*
+ 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 "string.h"
+#include "shell.h"
+#include "chprintf.h"
+
+#include "lps25h.h"
+
+/*===========================================================================*/
+/* LPS25H related. */
+/*===========================================================================*/
+
+/* LPS25H Driver: This object represent an LPS25H instance */
+static LPS25HDriver LPS25HD1;
+
+static int32_t rawdata;
+static float cookeddata;
+
+static const I2CConfig i2ccfg = {
+ OPMODE_I2C,
+ 400000,
+ FAST_DUTY_CYCLE_2,
+};
+
+static const LPS25HConfig lps25hcfg = {
+ &I2CD1,
+ &i2ccfg,
+ NULL, /* Use default sensitivity.*/
+ NULL, /* Use default bias.*/
+ LPS25H_SAD_VCC, /* SA0 connected to VCC */
+ LPS25H_ODR_7HZ, /* Output data rate 7 Hz.*/
+#if LPS25H_USE_ADVANCED || defined(__DOXYGEN__)
+ LPS25H_BDU_CONTINUOUS,
+ LPS25H_AVGP_512,
+ LPS25H_AVGT_512
+#endif
+};
+
+/*===========================================================================*/
+/* 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[]) {
+
+ 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
+ barometerReadRaw(&LPS25HD1, &rawdata);
+ chprintf(chp, "LPS25H Barometer raw data...\r\n");
+ chprintf(chp, "RAW: %d\r\n", rawdata);
+ }
+ else if (!strcmp (argv[0], "cooked")) {
+#if CHPRINTF_USE_ANSI_CODE
+ chprintf(chp, "\033[2J\033[1;1H");
+#endif
+ barometerReadCooked(&LPS25HD1, &cookeddata);
+ chprintf(chp, "LPS25H Barometer cooked data...\r\n");
+ chprintf(chp, "COOCKED: %.4f hPa\r\n", cookeddata);
+ }
+ else {
+ chprintf(chp, "Usage: read [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();
+
+ palSetLineMode(LINE_ARD_D15, PAL_MODE_ALTERNATE(4) |
+ PAL_STM32_OSPEED_HIGHEST);
+ palSetLineMode(LINE_ARD_D14, PAL_MODE_ALTERNATE(4) |
+ PAL_STM32_OSPEED_HIGHEST);
+
+ /*
+ * Activates the serial driver 2 using the driver default configuration.
+ */
+ sdStart(&SD2, NULL);
+
+ /*
+ * Creates the blinker thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ /*
+ * LPS25H Object Initialization
+ */
+ lps25hObjectInit(&LPS25HD1);
+
+ /*
+ * Activates the LPS25H driver.
+ */
+ lps25hStart(&LPS25HD1, &lps25hcfg);
+
+ /*
+ * 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);
+ }
+ lps25hStop(&LPS25HD1);
+}
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