Diff: vendor/NXP/LPC812/hal/gpio_api.c

Revision:

13:0645d8841f51

Parent:

12:5fa2273de5db

Child:

14:096882eb0961

--- a/vendor/NXP/LPC812/hal/gpio_api.c	Wed Jul 24 11:11:21 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,69 +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 "gpio_api.h"
-#include "pinmap.h"
-
-static int  gpio_enabled = 0;
-static void gpio_enable(void) {
-    gpio_enabled = 1;
-    
-    /* Enable AHB clock to the GPIO domain. */
-    LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
-    
-    /* Peripheral reset control to GPIO and GPIO INT, a "1" bring it out of reset. */
-    LPC_SYSCON->PRESETCTRL &= ~(0x1<<10);
-    LPC_SYSCON->PRESETCTRL |=  (0x1<<10);
-}
-
-uint32_t gpio_set(PinName pin) {
-    int f = 0;
-    
-    if (!gpio_enabled)
-         gpio_enable();
-    
-    pin_function(pin, f);
-    
-    return (1 << ((int)pin & 0x1F));
-}
-
-void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) {
-    if(pin == NC) return;
-    
-    obj->pin = pin;
-    obj->mask = gpio_set(pin);
-    
-    obj->reg_set = &LPC_GPIO_PORT->SET0;
-    obj->reg_clr = &LPC_GPIO_PORT->CLR0;
-    obj->reg_in  = &LPC_GPIO_PORT->PIN0;
-    obj->reg_dir = &LPC_GPIO_PORT->DIR0;
-    
-    gpio_dir(obj, direction);
-    switch (direction) {
-        case PIN_OUTPUT: pin_mode(pin, PullNone); break;
-        case PIN_INPUT : pin_mode(pin, PullDown); break;
-    }
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode) {
-    pin_mode(obj->pin, mode);
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction) {
-    switch (direction) {
-        case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
-        case PIN_OUTPUT: *obj->reg_dir |=  obj->mask; break;
-    }
-}