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Merge pull request #11557 from aabadie/pr/boards/common_l0_clock

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boards/stm32l0: introduce common clock configuration and apply it to related boards
This commit is contained in:
Francisco 2019-05-23 14:55:11 +02:00 committed by GitHub
commit 068563bcb0
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7 changed files with 64 additions and 150 deletions
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26
boards/b-l072z-lrwan1/include/periph_conf.h
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@ -20,37 +20,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name DMA streams configuration
* @{

58
boards/common/stm32/include/l0/cfg_clock_32_16_1.h Normal file
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@ -0,0 +1,58 @@
/*
* Copyright (C) 2018-2019 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_common_stm32
* @{
*
* @file
* @brief Configure STM32L0 clock using 32MHz core clock and LSE (32.768kHz)
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*/
#ifndef L0_CFG_CLOCK_32_16_1_H
#define L0_CFG_CLOCK_32_16_1_H
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* L0_CFG_CLOCK_32_16_1_H */
/** @} */

26
boards/i-nucleo-lrwan1/include/periph_conf.h
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@ -20,37 +20,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name Timer configuration
* @{

26
boards/lsn50/include/periph_conf.h
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@ -20,37 +20,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name DMA streams configuration
* @{

26
boards/nucleo-l031k6/include/periph_conf.h
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@ -24,37 +24,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name Timer configuration
* @{

26
boards/nucleo-l053r8/include/periph_conf.h
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@ -24,37 +24,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name Timer configuration
* @{

26
boards/nucleo-l073rz/include/periph_conf.h
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@ -24,37 +24,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSI (16000000U) /* internal oscillator */
#define CLOCK_CORECLOCK (32000000U) /* desired core clock frequency */
#define CLOCK_LSE (1) /* enable low speed external oscillator */
/* configuration of PLL prescaler and multiply values */
/* CORECLOCK := HSI / CLOCK_PLL_DIV * CLOCK_PLL_MUL */
#define CLOCK_PLL_DIV RCC_CFGR_PLLDIV2
#define CLOCK_PLL_MUL RCC_CFGR_PLLMUL4
/* configuration of peripheral bus clock prescalers */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
/* configuration of flash access cycles */
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY
/* 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)
/** @} */
/**
* @name Timer configuration
* @{