diff options
| author | Matt Trentini <matt.trentini@gmail.com> | 2022-08-09 00:56:50 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2024-08-22 11:20:15 +1000 |
| commit | e2c0e876f52d438fbdc286ab51cee92d5a24218e (patch) | |
| tree | a85e1a080df8bfcce0405af52ca41b9452520196 | |
| parent | 185116ea4139e84e7f7afb27d52b14dc03f0c2a8 (diff) | |
stm32/rfcore: Allow HSE to be a wakeup source for BLE for the WB55.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
| -rw-r--r-- | ports/stm32/rfcore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ports/stm32/rfcore.c b/ports/stm32/rfcore.c index 05582e887..2d99a3410 100644 --- a/ports/stm32/rfcore.c +++ b/ports/stm32/rfcore.c @@ -539,8 +539,12 @@ void rfcore_init(void) { while (LL_HSEM_1StepLock(HSEM, CFG_HW_PWR_STANDBY_SEMID)) { } - // Select LSE as RF wakeup source + // Set the wakeup source to LSE or fall back to use HSE + #if MICROPY_HW_RTC_USE_LSE RCC->CSR = (RCC->CSR & ~RCC_CSR_RFWKPSEL) | 1 << RCC_CSR_RFWKPSEL_Pos; + #else + RCC->CSR = (RCC->CSR & ~RCC_CSR_RFWKPSEL) | 3 << RCC_CSR_RFWKPSEL_Pos; + #endif // Initialise IPCC and shared memory structures ipcc_init(IRQ_PRI_SDIO); |