Diff: targets/hal/TARGET_STM/TARGET_STM32F4XX/pinmap.c

Revision:

637:43dc64e319ca

Parent:

636:cdb71f051ab2

diff -r cdb71f051ab2 -r 43dc64e319ca targets/hal/TARGET_STM/TARGET_STM32F4XX/pinmap.c
--- a/targets/hal/TARGET_STM/TARGET_STM32F4XX/pinmap.c	Thu Apr 14 06:45:56 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "mbed_assert.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-/**
- * Set the pin into input, output, alternate function or analog mode
- */
-void pin_function(PinName pin, int data) {
-    MBED_ASSERT(pin != (PinName)NC);
-    
-    int mode = STM_PIN_MODE(data);
-    int func = STM_PIN_FUNC(data);
-    
-    uint32_t pin_number = (uint32_t)pin;
-    int port_index = pin_number >> 4;
-    int pin_index = (pin_number & 0xF);
-    GPIO_TypeDef * gpio = ((GPIO_TypeDef *) (GPIOA_BASE + (port_index << 10)));
-    
-    // MODE
-    int offset = pin_index << 1;
-    gpio->MODER &= ~(0x3 << offset);
-    gpio->MODER |= mode << offset;
-    
-    // Set high-speed mode
-    gpio->OSPEEDR &= ~(0x3 << offset);
-    gpio->OSPEEDR |= (0x2 << offset);
-    
-    // FUNCTION
-    // Bottom seven pins are in AFR[0], top seven in AFR[1]
-    offset = (pin_index & 0x7) << 2;
-    if (pin_index <= 0x7) {
-        gpio->AFR[0] &= ~(0xF << offset);
-        gpio->AFR[0] |= func << offset;
-    }
-    else {
-        gpio->AFR[1] &= ~(0xF << offset);
-        gpio->AFR[1] |= func << offset;
-    }
-}
-
-void pin_mode(PinName pin, PinMode mode) {
-    MBED_ASSERT(pin != (PinName)NC);
-
-    uint32_t pin_number = (uint32_t)pin;
-    int port_index = pin_number >> 4;
-    int pin_index = (pin_number & 0xF);
-    int offset = pin_index << 1;
-
-    GPIO_TypeDef * gpio = ((GPIO_TypeDef *) (GPIOA_BASE + (port_index << 10)));
-    if (mode == OpenDrain) {
-        gpio->OTYPER |= 1 << pin_index;
-    }
-    else {
-        gpio->OTYPER &= ~(1 << pin_index);
-        gpio->PUPDR &= ~(0x3 << offset);
-        gpio->PUPDR |= mode << offset;
-    }
-}
-