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HAL_ChibiOS: avoid unnecessary H7 flash writes

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This commit is contained in:
Andrew Tridgell 2020-04-12 21:05:15 +10:00
parent 8dabd6cefc
commit 74f33d57c5
1 changed files with 2 additions and 1 deletions
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3
libraries/AP_HAL_ChibiOS/hwdef/common/flash.c
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@ -448,7 +448,8 @@ static bool stm32_flash_write_h7(uint32_t addr, const void *buf, uint32_t count)
}
stm32_flash_unlock();
while (count >= 32) {
if (!stm32h7_flash_write32(addr, b)) {
if (memcmp((void*)addr, b, 32) != 0 &&
!stm32h7_flash_write32(addr, b)) {
return false;
}
// check contents