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Fork of OmniWheels by Gustav Atmel

mbed-os/targets/TARGET_WIZNET/TARGET_W7500x/pinmap.c@1:9c5af431a1f1, 2018-05-01 (annotated)

Committer:
gustavatmel
Date:
Tue May 01 15:47:08 2018 +0000
Revision:
1:9c5af431a1f1
sdf

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gustavatmel 1:9c5af431a1f1 1 /* mbed Microcontroller Library
gustavatmel 1:9c5af431a1f1 2 *******************************************************************************
gustavatmel 1:9c5af431a1f1 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
gustavatmel 1:9c5af431a1f1 4 * All rights reserved.
gustavatmel 1:9c5af431a1f1 5 *
gustavatmel 1:9c5af431a1f1 6 * Redistribution and use in source and binary forms, with or without
gustavatmel 1:9c5af431a1f1 7 * modification, are permitted provided that the following conditions are met:
gustavatmel 1:9c5af431a1f1 8 *
gustavatmel 1:9c5af431a1f1 9 * 1. Redistributions of source code must retain the above copyright notice,
gustavatmel 1:9c5af431a1f1 10 * this list of conditions and the following disclaimer.
gustavatmel 1:9c5af431a1f1 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
gustavatmel 1:9c5af431a1f1 12 * this list of conditions and the following disclaimer in the documentation
gustavatmel 1:9c5af431a1f1 13 * and/or other materials provided with the distribution.
gustavatmel 1:9c5af431a1f1 14 * 3. Neither the name of ARM Limited nor the names of its contributors
gustavatmel 1:9c5af431a1f1 15 * may be used to endorse or promote products derived from this software
gustavatmel 1:9c5af431a1f1 16 * without specific prior written permission.
gustavatmel 1:9c5af431a1f1 17 *
gustavatmel 1:9c5af431a1f1 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
gustavatmel 1:9c5af431a1f1 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
gustavatmel 1:9c5af431a1f1 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
gustavatmel 1:9c5af431a1f1 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
gustavatmel 1:9c5af431a1f1 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
gustavatmel 1:9c5af431a1f1 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
gustavatmel 1:9c5af431a1f1 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
gustavatmel 1:9c5af431a1f1 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
gustavatmel 1:9c5af431a1f1 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
gustavatmel 1:9c5af431a1f1 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
gustavatmel 1:9c5af431a1f1 28 *******************************************************************************
gustavatmel 1:9c5af431a1f1 29 */
gustavatmel 1:9c5af431a1f1 30
gustavatmel 1:9c5af431a1f1 31 #include "mbed_assert.h"
gustavatmel 1:9c5af431a1f1 32 #include "pinmap.h"
gustavatmel 1:9c5af431a1f1 33 #include "PortNames.h"
gustavatmel 1:9c5af431a1f1 34 #include "mbed_error.h"
gustavatmel 1:9c5af431a1f1 35 #include "W7500x.h"
gustavatmel 1:9c5af431a1f1 36 #include "W7500x_gpio.h"
gustavatmel 1:9c5af431a1f1 37
gustavatmel 1:9c5af431a1f1 38
gustavatmel 1:9c5af431a1f1 39 uint32_t Get_GPIO_BaseAddress(uint32_t port_idx)
gustavatmel 1:9c5af431a1f1 40 {
gustavatmel 1:9c5af431a1f1 41 uint32_t gpio_add = 0;
gustavatmel 1:9c5af431a1f1 42 switch(port_idx) {
gustavatmel 1:9c5af431a1f1 43 case PortA:
gustavatmel 1:9c5af431a1f1 44 gpio_add = GPIOA_BASE;
gustavatmel 1:9c5af431a1f1 45 break;
gustavatmel 1:9c5af431a1f1 46 case PortB:
gustavatmel 1:9c5af431a1f1 47 gpio_add = GPIOB_BASE;
gustavatmel 1:9c5af431a1f1 48 break;
gustavatmel 1:9c5af431a1f1 49 case PortC:
gustavatmel 1:9c5af431a1f1 50 gpio_add = GPIOC_BASE;
gustavatmel 1:9c5af431a1f1 51 break;
gustavatmel 1:9c5af431a1f1 52 case PortD:
gustavatmel 1:9c5af431a1f1 53 gpio_add = GPIOD_BASE;
gustavatmel 1:9c5af431a1f1 54 break;
gustavatmel 1:9c5af431a1f1 55 default:
gustavatmel 1:9c5af431a1f1 56 error("Pinmap error: wrong port number.");
gustavatmel 1:9c5af431a1f1 57 break;
gustavatmel 1:9c5af431a1f1 58 }
gustavatmel 1:9c5af431a1f1 59 return gpio_add;
gustavatmel 1:9c5af431a1f1 60 }
gustavatmel 1:9c5af431a1f1 61
gustavatmel 1:9c5af431a1f1 62 /**
gustavatmel 1:9c5af431a1f1 63 * Configure pin (input, output, alternate function or analog) + output speed + AF
gustavatmel 1:9c5af431a1f1 64 */
gustavatmel 1:9c5af431a1f1 65
gustavatmel 1:9c5af431a1f1 66 void pin_function(PinName pin, int data) {
gustavatmel 1:9c5af431a1f1 67 MBED_ASSERT(pin != (PinName)NC);
gustavatmel 1:9c5af431a1f1 68 // Get the pin informations
gustavatmel 1:9c5af431a1f1 69 uint32_t mode = WIZ_PIN_MODE(data);
gustavatmel 1:9c5af431a1f1 70 uint32_t pupd = WIZ_PIN_PUPD(data);
gustavatmel 1:9c5af431a1f1 71 uint32_t afnum = WIZ_PIN_AFNUM(data);
gustavatmel 1:9c5af431a1f1 72
gustavatmel 1:9c5af431a1f1 73 uint32_t port_num = WIZ_PORT(pin);
gustavatmel 1:9c5af431a1f1 74 uint32_t pin_index = WIZ_PIN_INDEX(pin);
gustavatmel 1:9c5af431a1f1 75
gustavatmel 1:9c5af431a1f1 76 GPIO_TypeDef *gpio;
gustavatmel 1:9c5af431a1f1 77
gustavatmel 1:9c5af431a1f1 78 // Configure Alternate Function
gustavatmel 1:9c5af431a1f1 79 // Warning: Must be done before the GPIO is initialized
gustavatmel 1:9c5af431a1f1 80 switch (afnum) {
gustavatmel 1:9c5af431a1f1 81 case 0:
gustavatmel 1:9c5af431a1f1 82 HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF0);
gustavatmel 1:9c5af431a1f1 83 break;
gustavatmel 1:9c5af431a1f1 84 case 1:
gustavatmel 1:9c5af431a1f1 85 HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF1);
gustavatmel 1:9c5af431a1f1 86 break;
gustavatmel 1:9c5af431a1f1 87 case 2:
gustavatmel 1:9c5af431a1f1 88 HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF2);
gustavatmel 1:9c5af431a1f1 89 break;
gustavatmel 1:9c5af431a1f1 90 case 3:
gustavatmel 1:9c5af431a1f1 91 HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF3);
gustavatmel 1:9c5af431a1f1 92 break;
gustavatmel 1:9c5af431a1f1 93 default:
gustavatmel 1:9c5af431a1f1 94 break;
gustavatmel 1:9c5af431a1f1 95 }
gustavatmel 1:9c5af431a1f1 96
gustavatmel 1:9c5af431a1f1 97 if(mode == WIZ_MODE_AF)
gustavatmel 1:9c5af431a1f1 98 return;
gustavatmel 1:9c5af431a1f1 99
gustavatmel 1:9c5af431a1f1 100 // Configure GPIO
gustavatmel 1:9c5af431a1f1 101 gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
gustavatmel 1:9c5af431a1f1 102
gustavatmel 1:9c5af431a1f1 103 GPIO_InitTypeDef GPIO_InitStructure;
gustavatmel 1:9c5af431a1f1 104 GPIO_InitStructure.GPIO_Pin = pin_index;
gustavatmel 1:9c5af431a1f1 105 GPIO_InitStructure.GPIO_Mode = (GPIOMode_TypeDef)mode;
gustavatmel 1:9c5af431a1f1 106 GPIO_InitStructure.GPIO_Pad = (GPIOPad_TypeDef)pupd;
gustavatmel 1:9c5af431a1f1 107 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
gustavatmel 1:9c5af431a1f1 108 }
gustavatmel 1:9c5af431a1f1 109
gustavatmel 1:9c5af431a1f1 110 /**
gustavatmel 1:9c5af431a1f1 111 * Configure pin pull-up/pull-down
gustavatmel 1:9c5af431a1f1 112 */
gustavatmel 1:9c5af431a1f1 113 void pin_mode(PinName pin, PinMode pupd)
gustavatmel 1:9c5af431a1f1 114 {
gustavatmel 1:9c5af431a1f1 115 MBED_ASSERT(pin != (PinName)NC);
gustavatmel 1:9c5af431a1f1 116
gustavatmel 1:9c5af431a1f1 117 uint32_t port_num = WIZ_PORT(pin);
gustavatmel 1:9c5af431a1f1 118 uint32_t pin_num = WIZ_PIN_NUM(pin);
gustavatmel 1:9c5af431a1f1 119
gustavatmel 1:9c5af431a1f1 120 switch(port_num) {
gustavatmel 1:9c5af431a1f1 121 case PortA:
gustavatmel 1:9c5af431a1f1 122 if(pupd != 0) {
gustavatmel 1:9c5af431a1f1 123 PA_PCR->Port[pin_num] &= 0xFFFFFFFC;
gustavatmel 1:9c5af431a1f1 124 }
gustavatmel 1:9c5af431a1f1 125 PA_PCR->Port[pin_num] |= pupd;
gustavatmel 1:9c5af431a1f1 126 break;
gustavatmel 1:9c5af431a1f1 127 case PortB:
gustavatmel 1:9c5af431a1f1 128 if(pupd != 0) {
gustavatmel 1:9c5af431a1f1 129 PB_PCR->Port[pin_num] &= 0xFFFFFFFC;
gustavatmel 1:9c5af431a1f1 130 }
gustavatmel 1:9c5af431a1f1 131 PB_PCR->Port[pin_num] |= pupd;
gustavatmel 1:9c5af431a1f1 132 break;
gustavatmel 1:9c5af431a1f1 133 case PortC:
gustavatmel 1:9c5af431a1f1 134 if(pupd != 0) {
gustavatmel 1:9c5af431a1f1 135 PC_PCR->Port[pin_num] &= 0xFFFFFFFC;
gustavatmel 1:9c5af431a1f1 136 }
gustavatmel 1:9c5af431a1f1 137 PC_PCR->Port[pin_num] |= pupd;
gustavatmel 1:9c5af431a1f1 138 break;
gustavatmel 1:9c5af431a1f1 139 case PortD:
gustavatmel 1:9c5af431a1f1 140 if(pupd != 0) {
gustavatmel 1:9c5af431a1f1 141 PD_PCR->Port[pin_num] &= 0xFFFFFFFC;
gustavatmel 1:9c5af431a1f1 142 }
gustavatmel 1:9c5af431a1f1 143 PD_PCR->Port[pin_num] |= pupd;
gustavatmel 1:9c5af431a1f1 144 break;
gustavatmel 1:9c5af431a1f1 145 default:
gustavatmel 1:9c5af431a1f1 146 error("Pinmap error: wrong port number.");
gustavatmel 1:9c5af431a1f1 147 return;
gustavatmel 1:9c5af431a1f1 148 }
gustavatmel 1:9c5af431a1f1 149 }