MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/gpio_api.c@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2015 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include "gpio_api.h"
sahilmgandhi 18:6a4db94011d3 17 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 18
sahilmgandhi 18:6a4db94011d3 19 // function to enable the GPIO pin
sahilmgandhi 18:6a4db94011d3 20 uint32_t gpio_set(PinName pin) {
sahilmgandhi 18:6a4db94011d3 21 return (1);
sahilmgandhi 18:6a4db94011d3 22 }
sahilmgandhi 18:6a4db94011d3 23
sahilmgandhi 18:6a4db94011d3 24 //function to initialise the gpio pin
sahilmgandhi 18:6a4db94011d3 25 // this links the board control bits for each pin
sahilmgandhi 18:6a4db94011d3 26 // with the object created for the pin
sahilmgandhi 18:6a4db94011d3 27 void gpio_init(gpio_t *obj, PinName pin) {
sahilmgandhi 18:6a4db94011d3 28 if(pin == NC){ return;}
sahilmgandhi 18:6a4db94011d3 29 else {
sahilmgandhi 18:6a4db94011d3 30 int pin_value = 0;
sahilmgandhi 18:6a4db94011d3 31 obj->pin = pin;
sahilmgandhi 18:6a4db94011d3 32 if(pin <=15){
sahilmgandhi 18:6a4db94011d3 33 pin_value = pin;
sahilmgandhi 18:6a4db94011d3 34 }else if (pin >= 16 && pin <= 31){
sahilmgandhi 18:6a4db94011d3 35 pin_value = pin-16;
sahilmgandhi 18:6a4db94011d3 36 }else if (pin >= 32 && pin <= 47){
sahilmgandhi 18:6a4db94011d3 37 pin_value = pin-32;
sahilmgandhi 18:6a4db94011d3 38 }else if (pin >= 48 && pin <= 51){
sahilmgandhi 18:6a4db94011d3 39 pin_value = pin-48;
sahilmgandhi 18:6a4db94011d3 40 }else if (pin == 100 || pin == 101){
sahilmgandhi 18:6a4db94011d3 41 pin_value = pin-100;
sahilmgandhi 18:6a4db94011d3 42 }else if (pin == 110 || pin == 111){
sahilmgandhi 18:6a4db94011d3 43 pin_value = pin-110;
sahilmgandhi 18:6a4db94011d3 44 }else if (pin >= 200 && pin <= 207){
sahilmgandhi 18:6a4db94011d3 45 pin_value = pin-200;
sahilmgandhi 18:6a4db94011d3 46 }else if (pin >= 210 && pin <= 217){
sahilmgandhi 18:6a4db94011d3 47 pin_value = pin-210;
sahilmgandhi 18:6a4db94011d3 48 }else if (pin == 303){
sahilmgandhi 18:6a4db94011d3 49 pin_value = pin-302;
sahilmgandhi 18:6a4db94011d3 50 }else if (pin == 307){
sahilmgandhi 18:6a4db94011d3 51 pin_value = pin-307;
sahilmgandhi 18:6a4db94011d3 52 }else if (pin == 308){
sahilmgandhi 18:6a4db94011d3 53 pin_value = pin-305;
sahilmgandhi 18:6a4db94011d3 54 }else if (pin == 309){
sahilmgandhi 18:6a4db94011d3 55 pin_value = pin-305;
sahilmgandhi 18:6a4db94011d3 56 }else if (pin == 310){
sahilmgandhi 18:6a4db94011d3 57 pin_value = pin-305;
sahilmgandhi 18:6a4db94011d3 58 }else if (pin == 311){
sahilmgandhi 18:6a4db94011d3 59 pin_value = pin-305;
sahilmgandhi 18:6a4db94011d3 60 }else if (pin == 323){
sahilmgandhi 18:6a4db94011d3 61 pin_value = pin-315;
sahilmgandhi 18:6a4db94011d3 62 }else if (pin == 334){
sahilmgandhi 18:6a4db94011d3 63 pin_value = pin-325;
sahilmgandhi 18:6a4db94011d3 64 }else if (pin == 653){
sahilmgandhi 18:6a4db94011d3 65 pin_value = pin-646;
sahilmgandhi 18:6a4db94011d3 66 }
sahilmgandhi 18:6a4db94011d3 67
sahilmgandhi 18:6a4db94011d3 68 obj->mask = 0x1 << pin_value;
sahilmgandhi 18:6a4db94011d3 69 obj->pin_number = pin;
sahilmgandhi 18:6a4db94011d3 70 if(pin <=15) {
sahilmgandhi 18:6a4db94011d3 71 obj->reg_data = &CMSDK_GPIO0->DATAOUT ;
sahilmgandhi 18:6a4db94011d3 72 obj->reg_in = &CMSDK_GPIO0->DATA ;
sahilmgandhi 18:6a4db94011d3 73 obj->reg_dir = &CMSDK_GPIO0->OUTENABLESET ;
sahilmgandhi 18:6a4db94011d3 74 obj->reg_dirclr = &CMSDK_GPIO0->OUTENABLECLR ;
sahilmgandhi 18:6a4db94011d3 75 } else if (pin >= 16 && pin <= 31){
sahilmgandhi 18:6a4db94011d3 76 obj->reg_data = &CMSDK_GPIO1->DATAOUT ;
sahilmgandhi 18:6a4db94011d3 77 obj->reg_in = &CMSDK_GPIO1->DATA ;
sahilmgandhi 18:6a4db94011d3 78 obj->reg_dir = &CMSDK_GPIO1->OUTENABLESET ;
sahilmgandhi 18:6a4db94011d3 79 obj->reg_dirclr = &CMSDK_GPIO1->OUTENABLECLR ;
sahilmgandhi 18:6a4db94011d3 80 } else if (pin >= 32 && pin <= 47){
sahilmgandhi 18:6a4db94011d3 81 obj->reg_data = &CMSDK_GPIO2->DATAOUT;
sahilmgandhi 18:6a4db94011d3 82 obj->reg_in = &CMSDK_GPIO2->DATA;
sahilmgandhi 18:6a4db94011d3 83 obj->reg_dir = &CMSDK_GPIO2->OUTENABLESET ;
sahilmgandhi 18:6a4db94011d3 84 obj->reg_dirclr = &CMSDK_GPIO2->OUTENABLECLR ;
sahilmgandhi 18:6a4db94011d3 85 } else if (pin >= 48 && pin <= 51){
sahilmgandhi 18:6a4db94011d3 86 obj->reg_data = &CMSDK_GPIO3->DATAOUT;
sahilmgandhi 18:6a4db94011d3 87 obj->reg_in = &CMSDK_GPIO3->DATA;
sahilmgandhi 18:6a4db94011d3 88 obj->reg_dir = &CMSDK_GPIO3->OUTENABLESET ;
sahilmgandhi 18:6a4db94011d3 89 obj->reg_dirclr = &CMSDK_GPIO3->OUTENABLECLR ;
sahilmgandhi 18:6a4db94011d3 90 } else if (pin == 100 || pin == 101){
sahilmgandhi 18:6a4db94011d3 91 obj->reg_data = &MPS2_FPGAIO->LED; //user leds
sahilmgandhi 18:6a4db94011d3 92 obj->reg_in = &MPS2_FPGAIO->LED;
sahilmgandhi 18:6a4db94011d3 93 } else if (pin == 110 || pin == 111){
sahilmgandhi 18:6a4db94011d3 94 obj->reg_data = &MPS2_FPGAIO->BUTTON; //user switches
sahilmgandhi 18:6a4db94011d3 95 obj->reg_in = &MPS2_FPGAIO->BUTTON; //user switches
sahilmgandhi 18:6a4db94011d3 96 }else if (pin >= 200 && pin <= 207){
sahilmgandhi 18:6a4db94011d3 97 obj->reg_data = &MPS2_SCC->LEDS; //mcc leds
sahilmgandhi 18:6a4db94011d3 98 obj->reg_in = &MPS2_SCC->LEDS; //mcc leds
sahilmgandhi 18:6a4db94011d3 99 }else if (pin >= 210 && pin <= 217){
sahilmgandhi 18:6a4db94011d3 100 obj->reg_in = &MPS2_SCC->SWITCHES; //mcc switches
sahilmgandhi 18:6a4db94011d3 101 }else if (pin == 303 || pin == 307){
sahilmgandhi 18:6a4db94011d3 102 obj->reg_data = &MPS2_FPGAIO->MISC; //spi chip select = 303, clcd chip select = 307
sahilmgandhi 18:6a4db94011d3 103 }else if (pin == 308 || pin == 309 || pin == 310 || pin == 311){
sahilmgandhi 18:6a4db94011d3 104 obj->reg_data = &MPS2_FPGAIO->MISC; //clcd control bits
sahilmgandhi 18:6a4db94011d3 105 }else if (pin == 323 || pin == 334 || pin == 653){ //spi 3 chip select = 323, spi 4 chip select = 334, adc chip select = 653
sahilmgandhi 18:6a4db94011d3 106 obj->reg_data = &MPS2_FPGAIO->MISC; //spi cs bits
sahilmgandhi 18:6a4db94011d3 107 }
sahilmgandhi 18:6a4db94011d3 108
sahilmgandhi 18:6a4db94011d3 109 if (pin == 323){
sahilmgandhi 18:6a4db94011d3 110 CMSDK_GPIO0->ALTFUNCSET |= 0x0400;
sahilmgandhi 18:6a4db94011d3 111 }else if (pin == 334){
sahilmgandhi 18:6a4db94011d3 112 CMSDK_GPIO4->ALTFUNCSET |= 0x0001;
sahilmgandhi 18:6a4db94011d3 113 }else if (pin == 653){
sahilmgandhi 18:6a4db94011d3 114 CMSDK_GPIO1->ALTFUNCSET |= 0x0004;
sahilmgandhi 18:6a4db94011d3 115 }
sahilmgandhi 18:6a4db94011d3 116 }
sahilmgandhi 18:6a4db94011d3 117 }
sahilmgandhi 18:6a4db94011d3 118
sahilmgandhi 18:6a4db94011d3 119 void gpio_mode(gpio_t *obj, PinMode mode) {
sahilmgandhi 18:6a4db94011d3 120 pin_mode(obj->pin, mode);
sahilmgandhi 18:6a4db94011d3 121 }
sahilmgandhi 18:6a4db94011d3 122
sahilmgandhi 18:6a4db94011d3 123 void gpio_dir(gpio_t *obj, PinDirection direction) {
sahilmgandhi 18:6a4db94011d3 124 if(obj->pin >= 0 && obj->pin <= 51)
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 switch (direction) {
sahilmgandhi 18:6a4db94011d3 127 case PIN_INPUT : *obj->reg_dirclr = obj->mask; break;
sahilmgandhi 18:6a4db94011d3 128 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
sahilmgandhi 18:6a4db94011d3 129 }
sahilmgandhi 18:6a4db94011d3 130 } else {return;}
sahilmgandhi 18:6a4db94011d3 131 }
sahilmgandhi 18:6a4db94011d3 132
sahilmgandhi 18:6a4db94011d3 133 int gpio_is_connected(const gpio_t *obj){
sahilmgandhi 18:6a4db94011d3 134 if(obj->pin != (PinName)NC){
sahilmgandhi 18:6a4db94011d3 135 return 1;
sahilmgandhi 18:6a4db94011d3 136 } else {
sahilmgandhi 18:6a4db94011d3 137 return 0;
sahilmgandhi 18:6a4db94011d3 138 }
sahilmgandhi 18:6a4db94011d3 139 }
sahilmgandhi 18:6a4db94011d3 140