MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NORDIC/TARGET_MCU_NRF51822/port_api.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2013 Nordic Semiconductor
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 "port_api.h"
sahilmgandhi 18:6a4db94011d3 17 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 18 #include "gpio_api.h"
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 PinName port_pin(PortName port, int pin_n)
sahilmgandhi 18:6a4db94011d3 21 {
sahilmgandhi 18:6a4db94011d3 22 return (PinName)(pin_n);
sahilmgandhi 18:6a4db94011d3 23 }
sahilmgandhi 18:6a4db94011d3 24
sahilmgandhi 18:6a4db94011d3 25 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
sahilmgandhi 18:6a4db94011d3 26 {
sahilmgandhi 18:6a4db94011d3 27 obj->port = port;
sahilmgandhi 18:6a4db94011d3 28 obj->mask = mask;
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 obj->reg_out = &NRF_GPIO->OUT;
sahilmgandhi 18:6a4db94011d3 31 obj->reg_in = &NRF_GPIO->IN;
sahilmgandhi 18:6a4db94011d3 32 obj->reg_cnf = NRF_GPIO->PIN_CNF;
sahilmgandhi 18:6a4db94011d3 33
sahilmgandhi 18:6a4db94011d3 34 port_dir(obj, dir);
sahilmgandhi 18:6a4db94011d3 35 }
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 void port_mode(port_t *obj, PinMode mode)
sahilmgandhi 18:6a4db94011d3 38 {
sahilmgandhi 18:6a4db94011d3 39 uint32_t i;
sahilmgandhi 18:6a4db94011d3 40 // The mode is set per pin: reuse pinmap logic
sahilmgandhi 18:6a4db94011d3 41 for (i = 0; i<31; i++) {
sahilmgandhi 18:6a4db94011d3 42 if (obj->mask & (1 << i)) {
sahilmgandhi 18:6a4db94011d3 43 pin_mode(port_pin(obj->port, i), mode);
sahilmgandhi 18:6a4db94011d3 44 }
sahilmgandhi 18:6a4db94011d3 45 }
sahilmgandhi 18:6a4db94011d3 46 }
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48 void port_dir(port_t *obj, PinDirection dir)
sahilmgandhi 18:6a4db94011d3 49 {
sahilmgandhi 18:6a4db94011d3 50 int i;
sahilmgandhi 18:6a4db94011d3 51 switch (dir) {
sahilmgandhi 18:6a4db94011d3 52 case PIN_INPUT:
sahilmgandhi 18:6a4db94011d3 53 for (i = 0; i<31; i++) {
sahilmgandhi 18:6a4db94011d3 54 if (obj->mask & (1 << i)) {
sahilmgandhi 18:6a4db94011d3 55 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
sahilmgandhi 18:6a4db94011d3 56 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
sahilmgandhi 18:6a4db94011d3 57 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
sahilmgandhi 18:6a4db94011d3 58 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
sahilmgandhi 18:6a4db94011d3 59 }
sahilmgandhi 18:6a4db94011d3 60 }
sahilmgandhi 18:6a4db94011d3 61 break;
sahilmgandhi 18:6a4db94011d3 62 case PIN_OUTPUT:
sahilmgandhi 18:6a4db94011d3 63 for (i = 0; i<31; i++) {
sahilmgandhi 18:6a4db94011d3 64 if (obj->mask & (1 << i)) {
sahilmgandhi 18:6a4db94011d3 65 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
sahilmgandhi 18:6a4db94011d3 66 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
sahilmgandhi 18:6a4db94011d3 67 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
sahilmgandhi 18:6a4db94011d3 68 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
sahilmgandhi 18:6a4db94011d3 69 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
sahilmgandhi 18:6a4db94011d3 70 }
sahilmgandhi 18:6a4db94011d3 71 }
sahilmgandhi 18:6a4db94011d3 72 break;
sahilmgandhi 18:6a4db94011d3 73 }
sahilmgandhi 18:6a4db94011d3 74 }
sahilmgandhi 18:6a4db94011d3 75
sahilmgandhi 18:6a4db94011d3 76 void port_write(port_t *obj, int value)
sahilmgandhi 18:6a4db94011d3 77 {
sahilmgandhi 18:6a4db94011d3 78 *obj->reg_out = value;
sahilmgandhi 18:6a4db94011d3 79 }
sahilmgandhi 18:6a4db94011d3 80
sahilmgandhi 18:6a4db94011d3 81 int port_read(port_t *obj)
sahilmgandhi 18:6a4db94011d3 82 {
sahilmgandhi 18:6a4db94011d3 83 return (*obj->reg_in);
sahilmgandhi 18:6a4db94011d3 84 }