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board/stm32f3discovery: added PWM

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- added PWM feature
- added PWM definitions to periph_conf.h
This commit is contained in:
Hauke Petersen 2014-11-26 16:31:36 +01:00
parent 426060875c
commit e0bb9d5689
2 changed files with 46 additions and 4 deletions
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3
boards/stm32f3discovery/Makefile.features
View File

@ -1 +1,2 @@
FEATURES_PROVIDED += periph_gpio cpp
FEATURES_PROVIDED += cpp
FEATURES_PROVIDED += periph_uart periph_gpio periph_pwm

47
boards/stm32f3discovery/include/periph_conf.h
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@ -1,9 +1,9 @@
/*
* Copyright (C) 2014 Freie Universität Berlin
*
* 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.
* 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.
*/
/**
@ -106,6 +106,47 @@ extern "C" {
#define UART_2_AF 7
/** @} */
/**
* @brief PWM configuration
* @{
*/
#define PWM_NUMOF (1U)
#define PWM_0_EN 1
#define PWM_1_EN 1
#define PWM_MAX_CHANNELS 4
/* PWM 0 device configuration */
#define PWM_0_DEV TIM3
#define PWM_0_CHANNELS 4
#define PWM_0_CLK (36000000U)
#define PWM_0_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_TIM3EN)
#define PWM_0_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
/* PWM 0 pin configuration */
#define PWM_0_PORT GPIOC
#define PWM_0_PORT_CLKEN() (RCC->AHBENR |= RCC_AHBENR_GPIOCEN)
#define PWM_0_PIN_CH0 6
#define PWM_0_PIN_CH1 7
#define PWM_0_PIN_CH2 8
#define PWM_0_PIN_CH3 9
#define PWM_0_PIN_AF 2
/* PWM 1 device configuration */
#define PWM_1_DEV TIM4
#define PWM_1_CHANNELS 4
#define PWM_1_CLK (36000000U)
#define PWM_1_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_TIM4EN)
#define PWM_1_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM4EN))
/* PWM 1 pin configuration */
#define PWM_1_PORT GPIOD
#define PWM_1_PORT_CLKEN() (RCC->AHBENR |= RCC_AHBENR_GPIODEN)
#define PWM_1_PIN_CH0 12
#define PWM_1_PIN_CH1 13
#define PWM_1_PIN_CH2 14
#define PWM_1_PIN_CH3 15
#define PWM_1_PIN_AF 2
/** @} */
/**
* @brief GPIO configuration
* @{