119 lines
3.0 KiB
C
Executable File
119 lines
3.0 KiB
C
Executable File
/*
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ChibiOS - Copyright (C) 2006..2018 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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#include "chprintf.h"
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#include "string.h"
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#define BUFFER_SIZE 20
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static char lineBuffer[BUFFER_SIZE];
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static void getInputString(BaseSequentialStream *chp, char *line, size_t size) {
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char *p = line;
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uint8_t bytes;
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do {
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char c;
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bytes = chnRead(chp, (uint8_t *)&c, 1);
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if(bytes == 0) {
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*p = 0;
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break;
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}
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if ((c == '\r') || (c == '\n')) {
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*p = 0;
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break;
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}
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if ((c >= 0x20) && (c <= 0x7E)) {
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if (p < (line + size - 1)) {
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*p++ = (char)c;
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}
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}
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} while(TRUE);
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}
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/*
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* LED blinker thread, times are in milliseconds.
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*/
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static THD_WORKING_AREA(waThread1, 512);
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static THD_FUNCTION(Thread1, arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (true) {
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(80);
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(120);
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(120);
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(120);
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(160);
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(600);
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}
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}
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static const SerialConfig sdcfg = {
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115200,
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0,
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US_MR_CHRL_8_BIT | US_MR_PAR_NO
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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 the serial driver 1 using the driver default configuration.
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*/
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sdStart(&FSD0, &sdcfg);
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/* Redirecting FLEX0 RX on PB29 and FLEX0 TX on PB28. */
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palSetGroupMode(PIOB, PAL_PORT_BIT(28) | PAL_PORT_BIT(29), 0U,
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PAL_SAMA_FUNC_PERIPH_C | PAL_MODE_SECURE);
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity.
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*/
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while (true) {
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getInputString((BaseSequentialStream *)&FSD0, lineBuffer, BUFFER_SIZE);
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chprintf((BaseSequentialStream *)&FSD0, lineBuffer);
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chprintf((BaseSequentialStream *)&FSD0, "\n\r");
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chThdSleepMilliseconds(500);
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}
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}
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