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https://github.com/firestar5683/StarPilot.git
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firestar5683
22a8575199
Keep official openpilot ancestry and dependency licenses. Store resources directly in Git, remove LFS setup requirements, and leave the downloadable big model outside the source tree.
36 lines
784 B
C
36 lines
784 B
C
#pragma once
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bool flash_is_locked(void) {
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return (FLASH->CR1 & FLASH_CR_LOCK);
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}
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void flash_unlock(void) {
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FLASH->KEYR1 = 0x45670123;
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FLASH->KEYR1 = 0xCDEF89AB;
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}
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bool flash_erase_sector(uint8_t sector, bool unlocked) {
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// don't erase the bootloader(sector 0)
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if (sector != 0 && sector < 8 && unlocked) {
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FLASH->CR1 = (sector << 8) | FLASH_CR_SER;
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FLASH->CR1 |= FLASH_CR_START;
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while (FLASH->SR1 & FLASH_SR_QW);
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return true;
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}
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return false;
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}
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void flash_write_word(void *prog_ptr, uint32_t data) {
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uint32_t *pp = prog_ptr;
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FLASH->CR1 |= FLASH_CR_PG;
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*pp = data;
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while (FLASH->SR1 & FLASH_SR_QW);
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}
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void flush_write_buffer(void) {
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if (FLASH->SR1 & FLASH_SR_WBNE) {
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FLASH->CR1 |= FLASH_CR_FW;
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while (FLASH->SR1 & FLASH_CR_FW);
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}
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}
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