SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/pinmap.c

Revision:
77:b5886236e6f0
Parent:
76:aeb1df146756
Child:
80:66393a7b209d
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/pinmap.c	Mon Jan 27 14:30:07 2014 +0000
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/pinmap.c	Mon Jan 27 15:30:04 2014 +0000
@@ -30,6 +30,38 @@
 #include "pinmap.h"
 #include "error.h"
 
+// Not an API function
+// Enable GPIO clock and return GPIO base address
+uint32_t Set_GPIO_Clock(uint32_t port_idx) {
+    uint32_t gpio_add = 0;
+    switch (port_idx) {
+        case PortA:
+            gpio_add = GPIOA_BASE;
+            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+            break;
+        case PortB:
+            gpio_add = GPIOB_BASE;
+            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
+            break;
+        case PortC:
+            gpio_add = GPIOC_BASE;
+            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
+            break;
+        case PortD:
+            gpio_add = GPIOD_BASE;
+            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);
+            break;
+        case PortF:
+            gpio_add = GPIOF_BASE;
+            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOF, ENABLE);
+            break;
+        default:
+            error("Port number is not correct.");
+            break;
+    }
+    return gpio_add;
+}
+
 /**
  * Configure pin (mode, speed, output type and pull-up/pull-down)
  */
@@ -47,34 +79,11 @@
 
     uint32_t port_index = STM_PORT(pin);
     uint32_t pin_index  = STM_PIN(pin);
-  
-    // Get GPIO structure base address and enable clock  
-    switch (port_index) {
-        case PortA:
-            gpio = (GPIO_TypeDef *)GPIOA_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
-            break;
-        case PortB:
-            gpio = (GPIO_TypeDef *)GPIOB_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
-            break;
-        case PortC:
-            gpio = (GPIO_TypeDef *)GPIOC_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
-            break;
-        case PortD:
-            gpio = (GPIO_TypeDef *)GPIOD_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);
-            break;
-        case PortF:
-            gpio = (GPIO_TypeDef *)GPIOF_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOF, ENABLE);
-            break;
-        default:
-            error("GPIO port number is not correct.");
-            break;          
-    }
-      
+
+    // Enable GPIO clock
+    uint32_t gpio_add = Set_GPIO_Clock(port_index);
+    gpio = (GPIO_TypeDef *)gpio_add;
+ 
     // Configure GPIO
     GPIO_InitStructure.GPIO_Pin   = (uint16_t)(1 << pin_index);
     GPIO_InitStructure.GPIO_Mode  = (GPIOMode_TypeDef)mode;
@@ -104,38 +113,15 @@
  */
 void pin_mode(PinName pin, PinMode mode) {
     GPIO_TypeDef *gpio;
-  
+
     if (pin == NC) return;
-  
+
     uint32_t port_index = STM_PORT(pin);
     uint32_t pin_index  = STM_PIN(pin);
 
-    // Get GPIO structure base address and enable clock  
-    switch (port_index) {
-        case PortA:
-            gpio = (GPIO_TypeDef *)GPIOA_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
-            break;
-        case PortB:
-            gpio = (GPIO_TypeDef *)GPIOB_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
-            break;
-        case PortC:
-            gpio = (GPIO_TypeDef *)GPIOC_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
-            break;
-        case PortD:
-            gpio = (GPIO_TypeDef *)GPIOD_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);
-            break;
-        case PortF:
-            gpio = (GPIO_TypeDef *)GPIOF_BASE;
-            RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOF, ENABLE);
-            break;
-        default:
-            error("GPIO port number is not correct.");
-            break;          
-    }
+    // Enable GPIO clock
+    uint32_t gpio_add = Set_GPIO_Clock(port_index);
+    gpio = (GPIO_TypeDef *)gpio_add;
 
     // Configure pull-up/pull-down resistors
     uint32_t pupd = (uint32_t)mode;