diff options
Diffstat (limited to 'rcc/rcc.cpp')
| -rw-r--r-- | rcc/rcc.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/rcc/rcc.cpp b/rcc/rcc.cpp index aa9147a..65faf33 100644 --- a/rcc/rcc.cpp +++ b/rcc/rcc.cpp @@ -48,6 +48,16 @@ void rcc_init() { // Set APB2 prescaler to /2. RCC.CFGR |= 4 << 13; + #elif defined(STM32F0) + + // Enable HSI48. + RCC.CR2 |= 1 << 16; // HSI48ON + while(!(RCC.CR2 & (1 << 17))); // HSI48RDY + + // Switch to HSI48. + RCC.CFGR |= 3 << 0; // SW = HSI48 + while((RCC.CFGR & (3 << 2)) != (3 << 2)); // SWS = HSI48 + #elif defined(STM32L0) // Enable HSI16. |