diff options
Diffstat (limited to 'ports/stm32/timer.c')
| -rw-r--r-- | ports/stm32/timer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ports/stm32/timer.c b/ports/stm32/timer.c index a34d2984d..c23e7e02d 100644 --- a/ports/stm32/timer.c +++ b/ports/stm32/timer.c @@ -239,6 +239,9 @@ uint32_t timer_get_source_freq(uint32_t tim_id) { #if defined(STM32F0) source = HAL_RCC_GetPCLK1Freq(); clk_div = RCC->CFGR & RCC_CFGR_PPRE; + #elif defined(STM32H7A3xx) || defined(STM32H7A3xxQ) || defined(STM32H7B3xx) || defined(STM32H7B3xxQ) + source = HAL_RCC_GetPCLK2Freq(); + clk_div = RCC->CDCFGR2 & RCC_CDCFGR2_CDPPRE2; #elif defined(STM32H7) source = HAL_RCC_GetPCLK2Freq(); clk_div = RCC->D2CFGR & RCC_D2CFGR_D2PPRE2; @@ -251,6 +254,8 @@ uint32_t timer_get_source_freq(uint32_t tim_id) { source = HAL_RCC_GetPCLK1Freq(); #if defined(STM32F0) clk_div = RCC->CFGR & RCC_CFGR_PPRE; + #elif defined(STM32H7A3xx) || defined(STM32H7A3xxQ) || defined(STM32H7B3xx) || defined(STM32H7B3xxQ) + clk_div = RCC->CDCFGR1 & RCC_CDCFGR2_CDPPRE1; #elif defined(STM32H7) clk_div = RCC->D2CFGR & RCC_D2CFGR_D2PPRE1; #else |