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boards/nucleo144-f207: convert to stmclk

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This commit is contained in:
Vincent Dupont 2017-06-08 18:32:09 +02:00
parent 73e0fa25e4
commit 2d980c545d
1 changed files with 13 additions and 14 deletions
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27
boards/nucleo144-f207/include/periph_conf.h
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@ -31,22 +31,21 @@ extern "C" {
* @name Clock system configuration
* @{
*/
#define CLOCK_HSE (8000000U) /* external oscillator */
#define CLOCK_CORECLOCK (120000000U) /* desired core clock frequency */
/* the actual PLL values are automatically generated */
#define CLOCK_PLL_M (CLOCK_HSE / 1000000)
#define CLOCK_PLL_N ((CLOCK_CORECLOCK / 1000000) * 2)
#define CLOCK_PLL_P (2U)
#define CLOCK_PLL_Q (CLOCK_PLL_N / 48)
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY_5WS
/* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (8000000U)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* give the target core clock (HCLK) frequency [in Hz],
* maximum: 120MHz */
#define CLOCK_CORECLOCK (120000000U)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* min 25MHz */
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4 /* max 30MHz */
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2 /* max 60MHz */
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */