diff options
Diffstat (limited to 'hal/rcc.cpp')
-rw-r--r-- | hal/rcc.cpp | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/hal/rcc.cpp b/hal/rcc.cpp deleted file mode 100644 index 57b8f7d..0000000 --- a/hal/rcc.cpp +++ /dev/null @@ -1,51 +0,0 @@ -#include "rcc.h" -#include "flash.h" - -void rcc_init() { - // Initialize flash. - flash_init(); - - #if defined(STM32F1) - - // Enable HSE. - RCC.CR |= 0x10000; - while(RCC.CR & 0x20000); - - // Configure and enable PLL. - RCC.CFGR = 0x1d0000; - RCC.CR |= 0x1000000; - while(!(RCC.CR & 0x2000000)); - - // Switch to PLL. - RCC.CFGR |= 0x2; - while(!(RCC.CFGR & 0x8)); - - // Set APB1 prescaler to /2. - RCC.CFGR |= 0x400; - - // Set ADCCLK prescaler to /6. - RCC.CFGR |= 0x8000; - - #elif defined(STM32F4) - - // Enable HSE. - RCC.CR |= 0x10000; - while(!(RCC.CR & 0x20000)); - - // Configure and enable PLL. - RCC.PLLCFGR = 0x20400000 | (7 << 24) | (2 * 168 << 6) | 8; - RCC.CR |= 0x1000000; - while(!(RCC.CR & 0x2000000)); - - // Switch to PLL. - RCC.CFGR |= 0x2; - while(!(RCC.CFGR & 0x8)); - - // Set APB1 prescaler to /4. - RCC.CFGR |= 5 << 10; - - // Set APB2 prescaler to /2. - RCC.CFGR |= 4 << 13; - - #endif -} |