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boards/stm32f0discovery: adapt clock configuration

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This commit is contained in:
Vincent Dupont 2017-08-23 19:55:04 +02:00
parent 561fd5f152
commit 12a12108a7
1 changed files with 22 additions and 10 deletions
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32
boards/stm32f0discovery/include/periph_conf.h
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@ -26,19 +26,31 @@ extern "C" {
#endif
/**
* @name Clock system configuration
* @name Clock settings
*
* @note This is auto-generated from
* `cpu/stm32_common/dist/clk_conf/clk_conf.c`
* @{
*/
#define CLOCK_HSE (8000000U) /* external oscillator */
#define CLOCK_CORECLOCK (48000000U) /* desired core clock frequency */
/* give the target core clock (HCLK) frequency [in Hz],
* maximum: 48MHz */
#define CLOCK_CORECLOCK (48000000U)
/* 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 (0)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE_DIV1 /* max 48MHz */
#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_APB1)
/* the actual PLL values are automatically generated */
#define CLOCK_PLL_MUL (CLOCK_CORECLOCK / CLOCK_HSE)
/* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
/* PLL factors */
#define CLOCK_PLL_PREDIV (1)
#define CLOCK_PLL_MUL (6)
/** @} */
/**