101 lines
2.3 KiB
C
101 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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#define EEPROM_SIZE 8192 // 64Kb, 8KB
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#define EEPROM_PAGE_SIZE 32
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#define EEPROM_WRITE_TIME_MS 10 // byte/page write time
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#define EEPROM_SPID SPID1
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#define EEPROM_SPIDCONFIG spi1cfg
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static const SPIConfig EEPROM_SPIDCONFIG = {
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false,
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NULL,
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GPIOA,
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12,
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0, // Up to 20Mhz
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SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
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};
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static SPIEepromFileConfig eeCfg = {
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0,
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EEPROM_SIZE,
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EEPROM_SIZE,
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EEPROM_PAGE_SIZE,
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TIME_MS2I(EEPROM_WRITE_TIME_MS),
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&EEPROM_SPID,
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&EEPROM_SPIDCONFIG,
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};
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static SPIEepromFileStream eeFile;
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static EepromFileStream *eeFS;
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static uint8_t buffer[64];
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THD_WORKING_AREA(waThreadEE, 256);
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static THD_FUNCTION(ThreadEE, arg)
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{
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(void)arg;
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uint8_t len = 64;
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while (TRUE)
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{
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eeFS = SPIEepromFileOpen(&eeFile, &eeCfg, EepromFindDevice(EEPROM_DEV_25XX));
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fileStreamSetPosition(eeFS, 0);
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fileStreamWrite(eeFS, buffer, len);
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fileStreamRead(eeFS, buffer, len);
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fileStreamClose(eeFS);
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chThdSleepMilliseconds(500);
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}
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return;
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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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spiStart(&EEPROM_SPID, &EEPROM_SPIDCONFIG);
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chThdCreateStatic(waThreadEE, sizeof(waThreadEE), NORMALPRIO, ThreadEE, NULL);
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/*
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* Normal main() thread activity, it resets the watchdog.
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*/
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while (true) {
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palToggleLine(LINE_LED4_BLUE);
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chThdSleepMilliseconds(500);
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}
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return 0;
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}
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