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Merge pull request #13714 from aabadie/pr/boards/stm32l4_common_clock

boards/stm32l4: add common clock configuration
This commit is contained in:
Leandro Lanzieri 2020-04-07 18:08:44 +02:00 committed by GitHub
commit bc8bee4b17
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9 changed files with 93 additions and 387 deletions

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@ -20,56 +20,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)*/
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name DMA streams configuration
* @{

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@ -0,0 +1,85 @@
/*
* Copyright (C) 2017 Freie Universität Berlin
* 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 STM32L4 clock using 80MHz core clock and LSE (32.768kHz)
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*/
#ifndef L4_CFG_CLOCK_80_1_H
#define L4_CFG_CLOCK_80_1_H
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz)
*/
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)
* LSE is mandatory for MSI/LSE-trimming to work */
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* L4_CFG_CLOCK_80_1_H */
/** @} */

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@ -24,6 +24,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_i2c1_pb6_pb7.h"
#include "cfg_timer_tim2.h"
#include "cfg_rtt_default.h"
@ -33,50 +34,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)*/
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name UART configuration
* @{

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@ -22,6 +22,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_i2c1_pb6_pb7.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_tim2.h"
@ -30,50 +31,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)*/
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name UART configuration
* @{

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@ -20,6 +20,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_tim2.h"
@ -27,61 +28,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
#ifndef CLOCK_LSE
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz)
*/
#define CLOCK_LSE (1)
#endif
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
#ifndef CLOCK_MSI_LSE_PLL
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)
* Same as with CLOCK_LSE above this defaults to 0 because LSE is
* mandatory for MSI/LSE-trimming to work */
#define CLOCK_MSI_LSE_PLL (0)
#endif
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name UART configuration
* @{

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@ -24,6 +24,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_i2c1_pb8_pb9.h"
#include "cfg_rtt_default.h"
@ -31,63 +32,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
#ifndef CLOCK_LSE
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz)
* This defaults to 0 because hardware revision 'MB1136 C-01' of the nucleo-64
* board disconnects LSE by default. You may safely set this to 1 on revisions
* newer than 'MB1136 C-01' */
#define CLOCK_LSE (1)
#endif
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
#ifndef CLOCK_MSI_LSE_PLL
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)
* Same as with CLOCK_LSE above this defaults to 0 because LSE is
* mandatory for MSI/LSE-trimming to work */
#define CLOCK_MSI_LSE_PLL (0)
#endif
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name DMA streams configuration
* @{

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@ -20,6 +20,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_i2c1_pb8_pb9.h"
#include "cfg_rtt_default.h"
@ -27,61 +28,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
#ifndef CLOCK_LSE
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
#endif
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
#ifndef CLOCK_MSI_LSE_PLL
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)
* Same as with CLOCK_LSE above this defaults to 0 because LSE is
* mandatory for MSI/LSE-trimming to work */
#define CLOCK_MSI_LSE_PLL (0)
#endif
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name Timer configuration
* @{

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@ -20,6 +20,7 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_tim2.h"
@ -27,50 +28,6 @@
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)*/
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name UART configuration
* @{

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@ -20,56 +20,13 @@
#define PERIPH_CONF_H
#include "periph_cpu.h"
#include "l4/cfg_clock_80_1.h"
#include "cfg_rtt_default.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (1)
/* 0: enable MSI only if HSE isn't available
* 1: always enable MSI (e.g. if USB or RNG is used)*/
#define CLOCK_MSI_ENABLE (1)
/* 0: disable Hardware auto calibration with LSE
* 1: enable Hardware auto calibration with LSE (PLL-mode)*/
#define CLOCK_MSI_LSE_PLL (1)
/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */
#define CLOCK_CORECLOCK (80000000U)
/* PLL configuration: make sure your values are legit!
*
* compute by: CORECLOCK = (((PLL_IN / M) * N) / R)
* with:
* PLL_IN: input clock, HSE or MSI @ 48MHz
* M: pre-divider, allowed range: [1:8]
* N: multiplier, allowed range: [8:86]
* R: post-divider, allowed range: [2,4,6,8]
*
* Also the following constraints need to be met:
* (PLL_IN / M) -> [4MHz:16MHz]
* (PLL_IN / M) * N -> [64MHz:344MHz]
* CORECLOCK -> 80MHz MAX!
*/
#define CLOCK_PLL_M (6)
#define CLOCK_PLL_N (20)
#define CLOCK_PLL_R (2)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @name Timer configuration
* @{