From 7772ea4579a45bcf63ebd5e68be66ba1a9c72dfa Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Fri, 11 Nov 2016 15:02:17 -0500
Subject: chibios!

---
 .../testhal/KINETIS/FRDM-KL26Z/I2C/main.c          | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 ChibiOS_16.1.5/community/testhal/KINETIS/FRDM-KL26Z/I2C/main.c

(limited to 'ChibiOS_16.1.5/community/testhal/KINETIS/FRDM-KL26Z/I2C/main.c')

diff --git a/ChibiOS_16.1.5/community/testhal/KINETIS/FRDM-KL26Z/I2C/main.c b/ChibiOS_16.1.5/community/testhal/KINETIS/FRDM-KL26Z/I2C/main.c
new file mode 100644
index 0000000..51efd71
--- /dev/null
+++ b/ChibiOS_16.1.5/community/testhal/KINETIS/FRDM-KL26Z/I2C/main.c
@@ -0,0 +1,89 @@
+/*
+    (c) 2015-2016 flabbergast <s3+flabbergast@sdfeu.org>
+    Based on K20 I2C demo (c) 2015 Fabio Utzig, http://fabioutzig.com
+
+    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"
+
+#define FXOS8700CQ_ADDR 0x1D
+
+// FXOS8700CQ internal register addresses
+#define FXOS8700CQ_STATUS 0x00
+#define FXOS8700CQ_WHOAMI 0x0D
+#define FXOS8700CQ_XYZ_DATA_CFG 0x0E
+#define FXOS8700CQ_CTRL_REG1 0x2A
+#define FXOS8700CQ_M_CTRL_REG1 0x5B
+#define FXOS8700CQ_M_CTRL_REG2 0x5C
+#define FXOS8700CQ_WHOAMI_VAL 0xC7
+
+static bool i2cOk = false;
+
+static const I2CConfig i2ccfg = {
+  400000 // clock
+};
+
+static THD_WORKING_AREA(waThread1, 64);
+static THD_FUNCTION(Thread1, arg) {
+
+  (void)arg;
+  chRegSetThreadName("Blinker");
+  while(true) {
+    if(i2cOk) {
+      palSetPad(GPIO_LED_RED, PIN_LED_RED); /* Off red */
+      palTogglePad(GPIO_LED_GREEN, PIN_LED_GREEN); /* Blink green */
+    } else {
+      palSetPad(GPIO_LED_GREEN, PIN_LED_GREEN); /* Off green */
+      palTogglePad(GPIO_LED_RED, PIN_LED_RED); /* Blink red */
+    }
+    chThdSleepMilliseconds(500);
+  }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+  uint8_t tx[1], rx[1];
+
+  /*
+   * 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();
+
+  /*
+   * Turn off the RGB LED.
+   */
+  palSetPad(GPIO_LED_RED, PIN_LED_RED); /* red */
+  palSetPad(GPIO_LED_GREEN, PIN_LED_GREEN); /* green */
+  palSetPad(GPIO_LED_BLUE, PIN_LED_BLUE); /* blue */
+
+  i2cStart(&I2CD1, &i2ccfg);
+
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  while (1) {
+    tx[0] = FXOS8700CQ_WHOAMI;
+    i2cMasterTransmitTimeout(&I2CD1, FXOS8700CQ_ADDR, tx, 1, rx, 1, TIME_INFINITE);
+    i2cOk = (rx[0] == FXOS8700CQ_WHOAMI_VAL) ? true : false;
+    chThdSleepMilliseconds(2000);
+  }
+}
-- 
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