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| author | Fabio Utzig <utzig@utzig.org> | 2016-03-28 20:38:51 -0300 |
|---|---|---|
| committer | Fabio Utzig <utzig@utzig.org> | 2016-03-28 20:38:51 -0300 |
| commit | 1b08012c7567e7ddabd7483d24c7e11919a76f3c (patch) | |
| tree | 4bae5eb90713a09dd408121c5c35596df27be8f2 /testhal/KINETIS/FRDM-K20D50M/I2C/main.c | |
| parent | 778340c65318a9935a2f937ff520a32397fd07ad (diff) | |
| parent | 341cad14a9ca8c2ed6b8a8b3a7e7183c71e00e70 (diff) | |
| download | ChibiOS-Contrib-1b08012c7567e7ddabd7483d24c7e11919a76f3c.tar.gz ChibiOS-Contrib-1b08012c7567e7ddabd7483d24c7e11919a76f3c.tar.bz2 ChibiOS-Contrib-1b08012c7567e7ddabd7483d24c7e11919a76f3c.zip | |
Merge flabbergast-kinetis
Diffstat (limited to 'testhal/KINETIS/FRDM-K20D50M/I2C/main.c')
| -rw-r--r-- | testhal/KINETIS/FRDM-K20D50M/I2C/main.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/testhal/KINETIS/FRDM-K20D50M/I2C/main.c b/testhal/KINETIS/FRDM-K20D50M/I2C/main.c new file mode 100644 index 0000000..8c0df50 --- /dev/null +++ b/testhal/KINETIS/FRDM-K20D50M/I2C/main.c @@ -0,0 +1,73 @@ +/*
+ ChibiOS - Copyright (C) 2006..2015 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"
+
+#define MMA8451_ADDR 0x1D
+#define WHO_AM_I 0x0D
+
+static bool i2cOk = false;
+
+static THD_WORKING_AREA(waThread1, 64);
+static THD_FUNCTION(Thread1, arg) {
+
+ (void)arg;
+ chRegSetThreadName("Blinker");
+ while (TRUE) {
+ if (i2cOk) {
+ palSetPad(IOPORT3, 3);
+ palTogglePad(IOPORT4, 4);
+ } else {
+ palSetPad(IOPORT4, 4);
+ palTogglePad(IOPORT3, 3);
+ }
+ 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();
+
+ palSetPad(IOPORT3, 3);
+ palSetPad(IOPORT4, 4);
+ palSetPad(IOPORT1, 2);
+
+ i2cStart(&I2CD1, NULL);
+
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ while (1) {
+ tx[0] = WHO_AM_I;
+ i2cMasterTransmitTimeout(&I2CD1, MMA8451_ADDR, tx, 1, rx, 1, TIME_INFINITE);
+ i2cOk = (rx[0] == 0x1A) ? true : false;
+ chThdSleepMilliseconds(2000);
+ }
+}
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