From e0bb9d5689b003fe7a83218ed2ac294eefb2a6ea Mon Sep 17 00:00:00 2001
From: Hauke Petersen <hauke.petersen@fu-berlin.de>
Date: Wed, 26 Nov 2014 16:31:36 +0100
Subject: [PATCH] board/stm32f3discovery: added PWM

- added PWM feature
- added PWM definitions to periph_conf.h
---
 boards/stm32f3discovery/Makefile.features     |  3 +-
 boards/stm32f3discovery/include/periph_conf.h | 47 +++++++++++++++++--
 2 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/boards/stm32f3discovery/Makefile.features b/boards/stm32f3discovery/Makefile.features
index 1a729a107b..38847eeda9 100644
--- a/boards/stm32f3discovery/Makefile.features
+++ b/boards/stm32f3discovery/Makefile.features
@@ -1 +1,2 @@
-FEATURES_PROVIDED += periph_gpio cpp
+FEATURES_PROVIDED += cpp
+FEATURES_PROVIDED += periph_uart periph_gpio periph_pwm
diff --git a/boards/stm32f3discovery/include/periph_conf.h b/boards/stm32f3discovery/include/periph_conf.h
index d877705ba1..916db6d14f 100644
--- a/boards/stm32f3discovery/include/periph_conf.h
+++ b/boards/stm32f3discovery/include/periph_conf.h
@@ -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
  * @{