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Merge pull request #15446 from mak22223/master 

Add fix for STM32G4 hardfault in sleep mode
pull/15448/head
Martin Kojtal 2023-08-16 15:33:43 +01:00 committed by GitHub
parent 3c1f0d56d8 555822558e
commit dba734fb70
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1 changed files with 3 additions and 0 deletions
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3
targets/TARGET_STM/TARGET_STM32G4/STM32Cube_FW/STM32G4xx_HAL_Driver/stm32g4xx_hal_pwr.c
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@ -473,6 +473,9 @@ void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry)
{ {
/* Request Wait For Interrupt */ /* Request Wait For Interrupt */
__WFI(); __WFI();
__ISB(); // Workaround for STM32G4 errata
// see chapter 2.2.8 - Wrong instruction fetches from flash memory upon wakeup from Sleep or Stop mode when debug in low-power mode is enabled
// https://www.st.com/resource/en/errata_sheet/es0430-stm32g471xx473xx474xx483xx484xx-device-errata-stmicroelectronics.pdf
} }
else else
{ {