diff options
| -rw-r--r-- | ports/stm32/powerctrl.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/ports/stm32/powerctrl.c b/ports/stm32/powerctrl.c index cf06f3e18..3b4a2d86e 100644 --- a/ports/stm32/powerctrl.c +++ b/ports/stm32/powerctrl.c @@ -685,10 +685,17 @@ void powerctrl_enter_stop_mode(void) { // executed until after the clocks are reconfigured uint32_t irq_state = disable_irq(); - #if defined(STM32H7) + #if defined(STM32H7) || \ + defined(STM32F427xx) || defined(STM32F437xx) || \ + defined(STM32F429xx) || defined(STM32F439xx) || \ + defined(STM32WB55xx) || defined(STM32WB35xx) // Disable SysTick Interrupt // Note: This seems to be required at least on the H7 REV Y, // otherwise the MCU will leave stop mode immediately on entry. + // Note: According to ST Errata ES0206 Rev 18, Section 2.2.1 this is needed + // for STM32F427xx, STM32F437xx, STM32F429xx and STM32F439xx + // Note: According to ST Errata ES0394 Rev 11, Section 2.2.17 this is needed + // for STM32WB55xx and STM32WB35xx SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk; #endif @@ -849,7 +856,10 @@ void powerctrl_enter_stop_mode(void) { MICROPY_BOARD_LEAVE_STOP #endif - #if defined(STM32H7) + #if defined(STM32H7) || \ + defined(STM32F427xx) || defined(STM32F437xx) || \ + defined(STM32F429xx) || defined(STM32F439xx) || \ + defined(STM32WB55xx) || defined(STM32WB35xx) // Enable SysTick Interrupt SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk; #endif |