adafruit-mirror/Adafruit_nRF52_Bootloader
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

set REGOUT0 only when value is erased to default

Browse source 
this fixes reboot loop when REGOUT0 is explicitly set to different value that cannot be rewritten by clearing bits in flash
This commit is contained in:
fanoush 2024-11-16 10:28:42 +01:00 committed by GitHub
parent eefbe6bda9
commit fb557b2af9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/boards/boards.c
View file

@ -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)) |