dandri/Adafruit_nRF52_Bootloader_OTAFIX
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set REGOUT0 only when value is erased to default

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this fixes reboot loop when REGOUT0 is explicitly set to different value that cannot be rewritten by clearing bits in flash
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fanoush authored and GitHub committed 2024-11-16 10:28:42 +01:00
1 parent eefbe6bda9
commit fb557b2af9
1 file changed
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src/boards/boards.c
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@@ -111,7 +111,7 @@ void board_init(void) {
// #define UICR_REGOUT0_VALUE UICR_REGOUT0_VOUT_3V3
// in board.h when using that power configuration.
#ifdef UICR_REGOUT0_VALUE
if ((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) != (UICR_REGOUT0_VALUE << UICR_REGOUT0_VOUT_Pos)){
if ((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) == (UICR_REGOUT0_VOUT_DEFAULT << UICR_REGOUT0_VOUT_Pos)){
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
NRF_UICR->REGOUT0 = (NRF_UICR->REGOUT0 & ~((uint32_t)UICR_REGOUT0_VOUT_Msk)) |