MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/gpio_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) 2006-2013 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 #include "gpio_addrdefine.h"
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 uint32_t gpio_set(PinName pin) {
sahilmgandhi 18:6a4db94011d3 22 pin_function(pin, 0);
sahilmgandhi 18:6a4db94011d3 23 return (1 << PINNO(pin));
sahilmgandhi 18:6a4db94011d3 24 }
sahilmgandhi 18:6a4db94011d3 25
sahilmgandhi 18:6a4db94011d3 26 void gpio_init(gpio_t *obj, PinName pin) {
sahilmgandhi 18:6a4db94011d3 27 int group ;
sahilmgandhi 18:6a4db94011d3 28 obj->pin = pin;
sahilmgandhi 18:6a4db94011d3 29 if(pin == NC) return;
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 obj->mask = gpio_set(pin);
sahilmgandhi 18:6a4db94011d3 32
sahilmgandhi 18:6a4db94011d3 33 group = PINGROUP(pin);
sahilmgandhi 18:6a4db94011d3 34 if (group > 9) return;
sahilmgandhi 18:6a4db94011d3 35
sahilmgandhi 18:6a4db94011d3 36 obj->reg_set = (volatile uint32_t *) PSR(group);
sahilmgandhi 18:6a4db94011d3 37 obj->reg_in = (volatile uint32_t *) PPR(group);
sahilmgandhi 18:6a4db94011d3 38 obj->reg_dir = (volatile uint32_t *)PMSR(group);
sahilmgandhi 18:6a4db94011d3 39 obj->reg_buf = (volatile uint32_t *)PIBC(group);
sahilmgandhi 18:6a4db94011d3 40 }
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 void gpio_mode(gpio_t *obj, PinMode mode) {
sahilmgandhi 18:6a4db94011d3 43 /* Pull up and Pull down settings aren't supported because RZ/A1H doesn't have pull up/down for pins(signals). */
sahilmgandhi 18:6a4db94011d3 44 }
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 void gpio_dir(gpio_t *obj, PinDirection direction) {
sahilmgandhi 18:6a4db94011d3 47 switch (direction) {
sahilmgandhi 18:6a4db94011d3 48 case PIN_INPUT :
sahilmgandhi 18:6a4db94011d3 49 *obj->reg_dir = (obj->mask << 16) | obj->mask;
sahilmgandhi 18:6a4db94011d3 50 *obj->reg_buf |= obj->mask;
sahilmgandhi 18:6a4db94011d3 51 break;
sahilmgandhi 18:6a4db94011d3 52 case PIN_OUTPUT:
sahilmgandhi 18:6a4db94011d3 53 *obj->reg_dir = (obj->mask << 16) | 0;
sahilmgandhi 18:6a4db94011d3 54 *obj->reg_buf &= ~obj->mask;
sahilmgandhi 18:6a4db94011d3 55 break;
sahilmgandhi 18:6a4db94011d3 56 }
sahilmgandhi 18:6a4db94011d3 57 }