1 files changed, 133 insertions, 0 deletions

diff --git a/lib/chibios/testex/STM32/STM32F4xx/I2C-HTS221/main.c b/lib/chibios/testex/STM32/STM32F4xx/I2C-HTS221/main.c
new file mode 100644
index 000000000..578526b9f
--- /dev/null
+++ b/lib/chibios/testex/STM32/STM32F4xx/I2C-HTS221/main.c
@@ -0,0 +1,133 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 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 "chprintf.h"
+#include "hts221.h"
+
+#define cls(chp)  chprintf(chp, "\033[2J\033[1;1H")
+
+/*===========================================================================*/
+/* HTS221 related.                                                           */
+/*===========================================================================*/
+
+/* HTS221 Driver: This object represent an HTS221 instance */
+static  HTS221Driver HTS221D1;
+
+static int32_t hygroraw;
+static int32_t thermoraw;
+
+static float hygrocooked;
+static float thermocooked;
+
+static const I2CConfig i2ccfg = {
+  OPMODE_I2C,
+  400000,
+  FAST_DUTY_CYCLE_2,
+};
+
+static const HTS221Config hts221cfg = {
+  &I2CD1,
+  &i2ccfg,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  HTS221_ODR_7HZ,
+#if HTS221_USE_ADVANCED || defined(__DOXYGEN__)
+  HTS221_BDU_CONTINUOUS,
+  HTS221_AVGH_256,
+  HTS221_AVGT_256
+#endif
+};
+
+/*===========================================================================*/
+/* Generic code.                                                             */
+/*===========================================================================*/
+
+static BaseSequentialStream* chp = (BaseSequentialStream*)&SD2;
+/*
+ * LED blinker thread, times are in milliseconds.
+ */
+static THD_WORKING_AREA(waThread1, 128);
+static THD_FUNCTION(Thread1, arg) {
+
+  (void)arg;
+  chRegSetThreadName("blinker");
+  while (true) {
+    palToggleLine(LINE_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();
+
+  /* Configuring I2C SCK and I2C SDA related GPIOs .*/
+  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 1 using the driver default configuration.*/
+  sdStart(&SD2, NULL);
+
+  /* Creates the blinker thread.*/
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /* HTS221 Object Initialization.*/
+  hts221ObjectInit(&HTS221D1);
+
+  /* Activates the HTS221 driver.*/
+  hts221Start(&HTS221D1, &hts221cfg);
+
+  /* Normal main() thread activity, printing MEMS data on the SD2. */
+  while (true) {
+    hts221HygrometerReadRaw(&HTS221D1, &hygroraw);
+    chprintf(chp, "HTS221D1 Hygrometer raw data...\r\n");
+    chprintf(chp, "Hum: %d\r\n", hygroraw);
+
+    hts221ThermometerReadRaw(&HTS221D1, &thermoraw);
+    chprintf(chp, "HTS221D1 Thermometer raw data...\r\n");
+    chprintf(chp, "Temp: %d\r\n", &thermoraw);
+
+    hts221HygrometerReadCooked(&HTS221D1, &hygrocooked);
+    chprintf(chp, "HTS221D1 Hygrometer cooked data...\r\n");
+    chprintf(chp, "Hum: %.2f\r\n", hygrocooked);
+
+    hts221ThermometerReadCooked(&HTS221D1, &thermocooked);
+    chprintf(chp, "HTS221D1 Thermometer cooked data...\r\n");
+    chprintf(chp, "Temp: %.2f\r\n", thermocooked);
+
+    chThdSleepMilliseconds(100);
+    cls(chp);
+  }
+  hts221Stop(&HTS221D1);
+}