mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

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

targets/hal/TARGET_ARM_SSG/TARGET_MPS2/gpio_api.c@580:3c14cb9b87c5, 2015-07-02 (annotated)

Committer:
mbed_official
Date:
Thu Jul 02 16:15:09 2015 +0100
Revision:
580:3c14cb9b87c5
Synchronized with git revision 213caf296f26963a7bea129b8ec4f33bbd1e6588



Full URL: https://github.com/mbedmicro/mbed/commit/213caf296f26963a7bea129b8ec4f33bbd1e6588/



commit of mps2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 580:3c14cb9b87c5 1 /* mbed Microcontroller Library
mbed_official 580:3c14cb9b87c5 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 580:3c14cb9b87c5 3 *
mbed_official 580:3c14cb9b87c5 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 580:3c14cb9b87c5 5 * you may not use this file except in compliance with the License.
mbed_official 580:3c14cb9b87c5 6 * You may obtain a copy of the License at
mbed_official 580:3c14cb9b87c5 7 *
mbed_official 580:3c14cb9b87c5 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 580:3c14cb9b87c5 9 *
mbed_official 580:3c14cb9b87c5 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 580:3c14cb9b87c5 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 580:3c14cb9b87c5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 580:3c14cb9b87c5 13 * See the License for the specific language governing permissions and
mbed_official 580:3c14cb9b87c5 14 * limitations under the License.
mbed_official 580:3c14cb9b87c5 15 */
mbed_official 580:3c14cb9b87c5 16 #include "gpio_api.h"
mbed_official 580:3c14cb9b87c5 17 #include "pinmap.h"
mbed_official 580:3c14cb9b87c5 18
mbed_official 580:3c14cb9b87c5 19 // function to enable the GPIO pin
mbed_official 580:3c14cb9b87c5 20 uint32_t gpio_set(PinName pin) {
mbed_official 580:3c14cb9b87c5 21 return (1);
mbed_official 580:3c14cb9b87c5 22 }
mbed_official 580:3c14cb9b87c5 23
mbed_official 580:3c14cb9b87c5 24 //function to initialise the gpio pin
mbed_official 580:3c14cb9b87c5 25 // this links the board control bits for each pin
mbed_official 580:3c14cb9b87c5 26 // with the object created for the pin
mbed_official 580:3c14cb9b87c5 27 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 580:3c14cb9b87c5 28 if(pin == NC){ return;}
mbed_official 580:3c14cb9b87c5 29 else {
mbed_official 580:3c14cb9b87c5 30 int pin_value = 0;
mbed_official 580:3c14cb9b87c5 31 obj->pin = pin;
mbed_official 580:3c14cb9b87c5 32 if(pin <=15){
mbed_official 580:3c14cb9b87c5 33 pin_value = pin;
mbed_official 580:3c14cb9b87c5 34 }else if (pin >= 16 && pin <= 31){
mbed_official 580:3c14cb9b87c5 35 pin_value = pin-16;
mbed_official 580:3c14cb9b87c5 36 }else if (pin >= 32 && pin <= 47){
mbed_official 580:3c14cb9b87c5 37 pin_value = pin-32;
mbed_official 580:3c14cb9b87c5 38 }else if (pin >= 48 && pin <= 51){
mbed_official 580:3c14cb9b87c5 39 pin_value = pin-48;
mbed_official 580:3c14cb9b87c5 40 }else if (pin == 100 || pin == 101){
mbed_official 580:3c14cb9b87c5 41 pin_value = pin-100;
mbed_official 580:3c14cb9b87c5 42 }else if (pin == 110 || pin == 111){
mbed_official 580:3c14cb9b87c5 43 pin_value = pin-110;
mbed_official 580:3c14cb9b87c5 44 }else if (pin >= 200 && pin <= 207){
mbed_official 580:3c14cb9b87c5 45 pin_value = pin-200;
mbed_official 580:3c14cb9b87c5 46 }else if (pin >= 210 && pin <= 217){
mbed_official 580:3c14cb9b87c5 47 pin_value = pin-210;
mbed_official 580:3c14cb9b87c5 48 }else if (pin == 303){
mbed_official 580:3c14cb9b87c5 49 pin_value = pin-302;
mbed_official 580:3c14cb9b87c5 50 }else if (pin == 307){
mbed_official 580:3c14cb9b87c5 51 pin_value = pin-307;
mbed_official 580:3c14cb9b87c5 52 }else if (pin == 308){
mbed_official 580:3c14cb9b87c5 53 pin_value = pin-305;
mbed_official 580:3c14cb9b87c5 54 }else if (pin == 309){
mbed_official 580:3c14cb9b87c5 55 pin_value = pin-305;
mbed_official 580:3c14cb9b87c5 56 }else if (pin == 310){
mbed_official 580:3c14cb9b87c5 57 pin_value = pin-305;
mbed_official 580:3c14cb9b87c5 58 }else if (pin == 311){
mbed_official 580:3c14cb9b87c5 59 pin_value = pin-305;
mbed_official 580:3c14cb9b87c5 60 }
mbed_official 580:3c14cb9b87c5 61
mbed_official 580:3c14cb9b87c5 62 obj->mask = 0x1 << pin_value;
mbed_official 580:3c14cb9b87c5 63 obj->pin_number = pin;
mbed_official 580:3c14cb9b87c5 64 if(pin <=15) {
mbed_official 580:3c14cb9b87c5 65 obj->reg_data = &CMSDK_GPIO0->DATAOUT ;
mbed_official 580:3c14cb9b87c5 66 obj->reg_in = &CMSDK_GPIO0->DATA ;
mbed_official 580:3c14cb9b87c5 67 obj->reg_dir = &CMSDK_GPIO0->OUTENABLESET ;
mbed_official 580:3c14cb9b87c5 68 obj->reg_dirclr = &CMSDK_GPIO0->OUTENABLECLR ;
mbed_official 580:3c14cb9b87c5 69 } else if (pin >= 16 && pin <= 31){
mbed_official 580:3c14cb9b87c5 70 obj->reg_data = &CMSDK_GPIO1->DATAOUT ;
mbed_official 580:3c14cb9b87c5 71 obj->reg_in = &CMSDK_GPIO1->DATA ;
mbed_official 580:3c14cb9b87c5 72 obj->reg_dir = &CMSDK_GPIO1->OUTENABLESET ;
mbed_official 580:3c14cb9b87c5 73 obj->reg_dirclr = &CMSDK_GPIO1->OUTENABLECLR ;
mbed_official 580:3c14cb9b87c5 74 } else if (pin >= 32 && pin <= 47){
mbed_official 580:3c14cb9b87c5 75 obj->reg_data = &CMSDK_GPIO2->DATAOUT;
mbed_official 580:3c14cb9b87c5 76 obj->reg_in = &CMSDK_GPIO2->DATA;
mbed_official 580:3c14cb9b87c5 77 obj->reg_dir = &CMSDK_GPIO2->OUTENABLESET ;
mbed_official 580:3c14cb9b87c5 78 obj->reg_dirclr = &CMSDK_GPIO2->OUTENABLECLR ;
mbed_official 580:3c14cb9b87c5 79 } else if (pin >= 48 && pin <= 51){
mbed_official 580:3c14cb9b87c5 80 obj->reg_data = &CMSDK_GPIO3->DATAOUT;
mbed_official 580:3c14cb9b87c5 81 obj->reg_in = &CMSDK_GPIO3->DATA;
mbed_official 580:3c14cb9b87c5 82 obj->reg_dir = &CMSDK_GPIO3->OUTENABLESET ;
mbed_official 580:3c14cb9b87c5 83 obj->reg_dirclr = &CMSDK_GPIO3->OUTENABLECLR ;
mbed_official 580:3c14cb9b87c5 84 } else if (pin == 100 || pin == 101){
mbed_official 580:3c14cb9b87c5 85 obj->reg_data = &MPS2_FPGAIO->LED; //user leds
mbed_official 580:3c14cb9b87c5 86 obj->reg_in = &MPS2_FPGAIO->LED;
mbed_official 580:3c14cb9b87c5 87 } else if (pin == 110 || pin == 111){
mbed_official 580:3c14cb9b87c5 88 obj->reg_data = &MPS2_FPGAIO->BUTTON; //user switches
mbed_official 580:3c14cb9b87c5 89 obj->reg_in = &MPS2_FPGAIO->BUTTON; //user switches
mbed_official 580:3c14cb9b87c5 90 }else if (pin >= 200 && pin <= 207){
mbed_official 580:3c14cb9b87c5 91 obj->reg_data = &MPS2_SCC->LEDS; //mcc leds
mbed_official 580:3c14cb9b87c5 92 obj->reg_in = &MPS2_SCC->LEDS; //mcc leds
mbed_official 580:3c14cb9b87c5 93 }else if (pin >= 210 && pin <= 217){
mbed_official 580:3c14cb9b87c5 94 obj->reg_in = &MPS2_SCC->SWITCHES; //mcc switches
mbed_official 580:3c14cb9b87c5 95 }else if (pin == 303 || pin == 307){
mbed_official 580:3c14cb9b87c5 96 obj->reg_data = &MPS2_FPGAIO->MISC; //spi chip select = 303, clcd chip select = 307
mbed_official 580:3c14cb9b87c5 97 }else if (pin == 308 || pin == 309 || pin == 310 || pin == 311){
mbed_official 580:3c14cb9b87c5 98 obj->reg_data = &MPS2_FPGAIO->MISC; //clcd control bits
mbed_official 580:3c14cb9b87c5 99 }
mbed_official 580:3c14cb9b87c5 100 }
mbed_official 580:3c14cb9b87c5 101 }
mbed_official 580:3c14cb9b87c5 102
mbed_official 580:3c14cb9b87c5 103 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 580:3c14cb9b87c5 104 pin_mode(obj->pin, mode);
mbed_official 580:3c14cb9b87c5 105 }
mbed_official 580:3c14cb9b87c5 106
mbed_official 580:3c14cb9b87c5 107 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 580:3c14cb9b87c5 108 if(obj->pin >= 0 && obj->pin <= 51)
mbed_official 580:3c14cb9b87c5 109 {
mbed_official 580:3c14cb9b87c5 110 switch (direction) {
mbed_official 580:3c14cb9b87c5 111 case PIN_INPUT : *obj->reg_dirclr = obj->mask; break;
mbed_official 580:3c14cb9b87c5 112 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
mbed_official 580:3c14cb9b87c5 113 }
mbed_official 580:3c14cb9b87c5 114 } else {return;}
mbed_official 580:3c14cb9b87c5 115 }
mbed_official 580:3c14cb9b87c5 116
mbed_official 580:3c14cb9b87c5 117 int gpio_is_connected(const gpio_t *obj){
mbed_official 580:3c14cb9b87c5 118 if(obj->pin != (PinName)NC){
mbed_official 580:3c14cb9b87c5 119 return 1;
mbed_official 580:3c14cb9b87c5 120 } else {
mbed_official 580:3c14cb9b87c5 121 return 0;
mbed_official 580:3c14cb9b87c5 122 }
mbed_official 580:3c14cb9b87c5 123 }
mbed_official 580:3c14cb9b87c5 124