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-rw-r--r--testhal/KINETIS/FRDM-KL26Z/I2C/main.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/testhal/KINETIS/FRDM-KL26Z/I2C/main.c b/testhal/KINETIS/FRDM-KL26Z/I2C/main.c
new file mode 100644
index 0000000..51efd71
--- /dev/null
+++ b/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);
+ }
+}