Merge pull request #6192 from aabadie/nucleo_f401_pwm

boards/nucleo-f401: configure PWM on 7 pins

boards/nucleo-f401/Makefile.features

@@ -2,6 +2,7 @@
 FEATURES_PROVIDED += periph_cpuid
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_gpio
+FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart

boards/nucleo-f401/include/periph_conf.h

@@ -53,13 +53,6 @@ extern "C" {
  * @{
  */
 static const timer_conf_t timer_config[] = {
-    {
-        .dev      = TIM2,
-        .max      = 0xffffffff,
-        .rcc_mask = RCC_APB1ENR_TIM2EN,
-        .bus      = APB1,
-        .irqn     = TIM2_IRQn
-    },
     {
         .dev      = TIM5,
         .max      = 0xffffffff,
@@ -69,8 +62,7 @@ static const timer_conf_t timer_config[] = {
     }
 };
 
-#define TIMER_0_ISR         isr_tim2
-#define TIMER_1_ISR         isr_tim5
+#define TIMER_0_ISR         isr_tim5
 
 #define TIMER_NUMOF         (sizeof(timer_config) / sizeof(timer_config[0]))
 /** @} */
@@ -118,6 +110,36 @@ static const uart_conf_t uart_config[] = {
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
 /** @} */
 
+/**
+ * @brief   PWM configuration
+ * @{
+ */
+static const pwm_conf_t pwm_config[] = {
+    {
+        .dev      = TIM2,
+        .rcc_mask = RCC_APB1ENR_TIM2EN,
+        .chan     = { { .pin = GPIO_PIN(PORT_A, 15)         , .cc_chan = 0 },
+                      { .pin = GPIO_PIN(PORT_B, 3)  /* D3 */, .cc_chan = 1 },
+                      { .pin = GPIO_PIN(PORT_B, 10) /* D6 */, .cc_chan = 2 },
+                      { .pin = GPIO_UNDEF,                    .cc_chan = 0 } },
+        .af       = GPIO_AF1,
+        .bus      = APB1
+    },
+    {
+        .dev      = TIM3,
+        .rcc_mask = RCC_APB1ENR_TIM3EN,
+        .chan     = { { .pin = GPIO_PIN(PORT_B, 4) /* D5 */, .cc_chan = 0 },
+                      { .pin = GPIO_PIN(PORT_C, 7) /* D9 */, .cc_chan = 1 },
+                      { .pin = GPIO_PIN(PORT_C, 8),          .cc_chan = 2 },
+                      { .pin = GPIO_PIN(PORT_C, 9),          .cc_chan = 3 } },
+        .af       = GPIO_AF2,
+        .bus      = APB1
+    },
+};
+
+#define PWM_NUMOF           (sizeof(pwm_config) / sizeof(pwm_config[0]))
+/** @} */
+
 /**
  * @name SPI configuration
  * @{