altos/stm32f4: Need to read-back register after clock enable

[fw/altos] / src / stm32f4 / ao_timer.c

diff --git a/src/stm32f4/ao_timer.c b/src/stm32f4/ao_timer.c
index d6ef9bc379e5d074b68bb98506957f46ce94e599..fb83db003aa46085f37a3b294e2da02402dc49b3 100644 (file)
--- a/src/stm32f4/ao_timer.c
+++ b/src/stm32f4/ao_timer.c
@@ -262,13 +262,12 @@ ao_clock_init(void)
 #if DEBUG_THE_CLOCK
        /* Output PLL clock on PA8 and SYCLK on PC9 for measurments */
 
-       stm_rcc.ahb1enr |= ((1 << STM_RCC_AHB1ENR_IOPAEN) |
-                           (1 << STM_RCC_AHB1ENR_IOPCEN));
-
+       ao_enable_port(&stm_gpioa);
        stm_afr_set(&stm_gpioa, 8, STM_AFR_AF0);
        stm_moder_set(&stm_gpioa, 8, STM_MODER_ALTERNATE);
        stm_ospeedr_set(&stm_gpioa, 8, STM_OSPEEDR_HIGH);
 
+       ao_enable_port(&stm_gpioc);
        stm_afr_set(&stm_gpioc, 9, STM_AFR_AF0);
        stm_moder_set(&stm_gpioc, 9, STM_MODER_ALTERNATE);
        stm_ospeedr_set(&stm_gpioc, 9, STM_OSPEEDR_HIGH);