From 39b398c1f0db29688edefc740796f738c919c5ba Mon Sep 17 00:00:00 2001
From: Rocco Marco Guglielmi <roccomarco.guglielmi@gmail.com>
Date: Tue, 13 Mar 2018 09:30:43 +0000
Subject: Added support for LPS22HB 2 axis Barometer\Thermometer MEMS.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11719 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
 testex/STM32/STM32F4xx/I2C-LPS22HB/main.c | 133 ++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 testex/STM32/STM32F4xx/I2C-LPS22HB/main.c

(limited to 'testex/STM32/STM32F4xx/I2C-LPS22HB/main.c')

diff --git a/testex/STM32/STM32F4xx/I2C-LPS22HB/main.c b/testex/STM32/STM32F4xx/I2C-LPS22HB/main.c
new file mode 100644
index 000000000..6adc89dee
--- /dev/null
+++ b/testex/STM32/STM32F4xx/I2C-LPS22HB/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 "lps22hb.h"
+
+#define cls(chp)  chprintf(chp, "\033[2J\033[1;1H")
+
+/*===========================================================================*/
+/* LPS22HB related.                                                           */
+/*===========================================================================*/
+
+/* LPS22HB Driver: This object represent an LPS22HB instance */
+static  LPS22HBDriver LPS22HBD1;
+
+static int32_t baroraw;
+static int32_t thermoraw;
+
+static float barocooked;
+static float thermocooked;
+
+static const I2CConfig i2ccfg = {
+  OPMODE_I2C,
+  400000,
+  FAST_DUTY_CYCLE_2,
+};
+
+static const LPS22HBConfig lps22hbcfg = {
+  &I2CD1,
+  &i2ccfg,
+  LPS22HB_SAD_VCC,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  LPS22HB_ODR_10HZ,
+#if LPS22HB_USE_ADVANCED
+  LPS22HB_BDU_CONTINUOUS,
+  LPS22HB_LP_ODR_9
+#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 2 using the driver default configuration.*/
+  sdStart(&SD2, NULL);
+
+  /* Creates the blinker thread.*/
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /* LPS22HB Object Initialization.*/
+  lps22hbObjectInit(&LPS22HBD1);
+
+  /* Activates the LPS22HB driver.*/
+  lps22hbStart(&LPS22HBD1, &lps22hbcfg);
+
+  /* Normal main() thread activity, printing MEMS data on the SD2. */
+  while (true) {
+    lps22hbBarometerReadRaw(&LPS22HBD1, &baroraw);
+    chprintf(chp, "LPS22HBD1 Barometer raw data...\r\n");
+    chprintf(chp, "Pres: %d\r\n", baroraw);
+
+    lps22hbThermometerReadRaw(&LPS22HBD1, &thermoraw);
+    chprintf(chp, "LPS22HBD1 Thermometer raw data...\r\n");
+    chprintf(chp, "Temp: %d\r\n", &thermoraw);
+
+    lps22hbBarometerReadCooked(&LPS22HBD1, &barocooked);
+    chprintf(chp, "LPS22HBD1 Barometer cooked data...\r\n");
+    chprintf(chp, "Pres: %.2f\r\n", barocooked);
+
+    lps22hbThermometerReadCooked(&LPS22HBD1, &thermocooked);
+    chprintf(chp, "LPS22HBD1 Thermometer cooked data...\r\n");
+    chprintf(chp, "Temp: %.2f\r\n", thermocooked);
+
+    chThdSleepMilliseconds(100);
+    cls(chp);
+  }
+  lps22hbStop(&LPS22HBD1);
+}
-- 
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