96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
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/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "ch.h"
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#include "hal.h"
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void spicb(SPIDriver *spip) {
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(void)spip;
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palClearPad(GPIOB, GPIOB_LED);
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}
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/*
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* SPI1 configuration structure.
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*/
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static const SPIConfig spi1cfg = {
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spicb,
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/* HW dependent part.*/
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GPIOC,
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0,
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KINETIS_SPI_TAR_8BIT_SLOW
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};
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static THD_WORKING_AREA(waThread1, 64);
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static THD_FUNCTION(Thread1, arg) {
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static uint8_t txbuf[5];
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static uint8_t rxbuf[5];
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(void)arg;
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chRegSetThreadName("Blinker");
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while (true) {
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palSetPad(GPIOB, GPIOB_LED);
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/* Send the Manufacturer and Device ID Read command */
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txbuf[0] = 0x9F;
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spiSelect(&SPID1);
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spiExchange(&SPID1, sizeof(txbuf), txbuf, rxbuf);
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spiUnselect(&SPID1);
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chThdSleepMilliseconds(1000);
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}
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}
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Activates SPID1. Slave select is configured on GPIOC pin 0.
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*/
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palSetPadMode(GPIOC, 5, PAL_MODE_ALTERNATIVE_2); /* SCK */
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palSetPadMode(GPIOC, 6, PAL_MODE_ALTERNATIVE_2); /* MOSI */
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palSetPadMode(GPIOD, 3, PAL_MODE_ALTERNATIVE_2); /* MISO */
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palSetPadMode(GPIOC, 0, PAL_MODE_OUTPUT_PUSHPULL); /* SS */
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/*
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* Initializes the SPI driver 1.
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*/
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spiStart(&SPID1, &spi1cfg);
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/*
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* Creates the blinker threads.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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while (1) {
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chThdSleepMilliseconds(500);
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}
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}
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