76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006-2013 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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uint32_t *bkpsram = (uint32_t *)BKPSRAM_BASE;
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/*
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*
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*/
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static void write_watermark(void){
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size_t i = 0;
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for (i=0; i<10; i++)
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bkpsram[i] = i;
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/* signalize about sram erase */
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palClearPad(GPIOB, GPIOB_LED_R);
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}
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/*
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*
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*/
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static bool check_watermark(void){
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size_t i = 0;
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for (i=0; i<10; i++){
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if (bkpsram[i] != i)
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return false;
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}
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return true;
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}
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/**
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* Main function.
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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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/* Goal of this testhal */
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if (!check_watermark()){
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write_watermark();
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}
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/* Normal main thread loop. */
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while (TRUE){
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chThdSleepMilliseconds(200);
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palTogglePad(GPIOB, GPIOB_LED_B);
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}
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return 0;
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}
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