40 lines
852 B
C
40 lines
852 B
C
#include <at32f403a_407_clock.h>
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#include <SystemDelayInterface.h>
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#include <stdio.h>
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#include "cmsis_os.h"
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#include "CmsisRtosThreadUtils.h"
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#include "delay_sec.h"
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#define EXTEND_SRAM 0xFE
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/**
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* @brief to extend sram size
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* @param none
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* @retval none
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*/
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void extend_sram(void) {
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/* check if ram has been set to expectant size, if not, change eopb0 */
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if (((USD->eopb0) & 0xFF) != EXTEND_SRAM) {
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flash_unlock();
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/* erase user system data bytes */
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flash_user_system_data_erase();
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/* change sram size */
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flash_user_system_data_program((uint32_t) &USD->eopb0, EXTEND_SRAM);
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/* system reset */
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nvic_system_reset();
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}
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}
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int main(void) {
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system_clock_config();
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delay_init();
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osKernelInitialize();
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osKernelStart();
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while (1) {
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asm("nop");
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}
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} |