Nick Zhou / mbed-src-ST-demo

mbed library sources change for ST sensors and ST BLE

Fork of mbed-src by mbed official

targets/hal/TARGET_WIZNET/TARGET_W7500x/pinmap.c@558:0880f51c4036, 2015-06-03 (annotated)

Committer:
mbed_official
Date:
Wed Jun 03 09:00:09 2015 +0100
Revision:
558:0880f51c4036
Child:
567:a97fd0eca828
Synchronized with git revision 927c31ab8457cfef0ee8a8316117b7a41fd79133



Full URL: https://github.com/mbedmicro/mbed/commit/927c31ab8457cfef0ee8a8316117b7a41fd79133/



Add WIZwiki-W7500

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 558:0880f51c4036 1 /* mbed Microcontroller Library
mbed_official 558:0880f51c4036 2 *******************************************************************************
mbed_official 558:0880f51c4036 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
mbed_official 558:0880f51c4036 4 * All rights reserved.
mbed_official 558:0880f51c4036 5 *
mbed_official 558:0880f51c4036 6 * Redistribution and use in source and binary forms, with or without
mbed_official 558:0880f51c4036 7 * modification, are permitted provided that the following conditions are met:
mbed_official 558:0880f51c4036 8 *
mbed_official 558:0880f51c4036 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 558:0880f51c4036 10 * this list of conditions and the following disclaimer.
mbed_official 558:0880f51c4036 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 558:0880f51c4036 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 558:0880f51c4036 13 * and/or other materials provided with the distribution.
mbed_official 558:0880f51c4036 14 * 3. Neither the name of ARM Limited nor the names of its contributors
mbed_official 558:0880f51c4036 15 * may be used to endorse or promote products derived from this software
mbed_official 558:0880f51c4036 16 * without specific prior written permission.
mbed_official 558:0880f51c4036 17 *
mbed_official 558:0880f51c4036 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 558:0880f51c4036 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 558:0880f51c4036 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 558:0880f51c4036 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 558:0880f51c4036 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 558:0880f51c4036 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 558:0880f51c4036 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 558:0880f51c4036 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 558:0880f51c4036 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 558:0880f51c4036 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 558:0880f51c4036 28 *******************************************************************************
mbed_official 558:0880f51c4036 29 */
mbed_official 558:0880f51c4036 30
mbed_official 558:0880f51c4036 31 #include "mbed_assert.h"
mbed_official 558:0880f51c4036 32 #include "pinmap.h"
mbed_official 558:0880f51c4036 33 #include "PortNames.h"
mbed_official 558:0880f51c4036 34
mbed_official 558:0880f51c4036 35
mbed_official 558:0880f51c4036 36 // GPIO mode look-up table
mbed_official 558:0880f51c4036 37 // It have to same with PinMode index in "PinNames.h"
mbed_official 558:0880f51c4036 38 static const uint32_t gpio_pupd[4] = {
mbed_official 558:0880f51c4036 39 GPIO_NO_PUPD, // PullNone
mbed_official 558:0880f51c4036 40 GPIO_PuPd_DOWN, // PullDown
mbed_official 558:0880f51c4036 41 GPIO_PuPd_UP, // PullUp
mbed_official 558:0880f51c4036 42 GPIO_OD // OpenDrain
mbed_official 558:0880f51c4036 43 };
mbed_official 558:0880f51c4036 44
mbed_official 558:0880f51c4036 45 uint32_t Get_GPIO_BaseAddress(uint32_t port_idx)
mbed_official 558:0880f51c4036 46 {
mbed_official 558:0880f51c4036 47 uint32_t gpio_add = 0;
mbed_official 558:0880f51c4036 48 switch(port_idx) {
mbed_official 558:0880f51c4036 49 case PortA:
mbed_official 558:0880f51c4036 50 gpio_add = GPIOA_BASE;
mbed_official 558:0880f51c4036 51 break;
mbed_official 558:0880f51c4036 52 case PortB:
mbed_official 558:0880f51c4036 53 gpio_add = GPIOB_BASE;
mbed_official 558:0880f51c4036 54 break;
mbed_official 558:0880f51c4036 55 case PortC:
mbed_official 558:0880f51c4036 56 gpio_add = GPIOC_BASE;
mbed_official 558:0880f51c4036 57 break;
mbed_official 558:0880f51c4036 58 case PortD:
mbed_official 558:0880f51c4036 59 gpio_add = GPIOD_BASE;
mbed_official 558:0880f51c4036 60 break;
mbed_official 558:0880f51c4036 61 default:
mbed_official 558:0880f51c4036 62 error("Pinmap error: wrong port number.");
mbed_official 558:0880f51c4036 63 break;
mbed_official 558:0880f51c4036 64 }
mbed_official 558:0880f51c4036 65 return gpio_add;
mbed_official 558:0880f51c4036 66 }
mbed_official 558:0880f51c4036 67
mbed_official 558:0880f51c4036 68
mbed_official 558:0880f51c4036 69 /**
mbed_official 558:0880f51c4036 70 * Configure pin (input, output, alternate function or analog) + output speed + AF
mbed_official 558:0880f51c4036 71 */
mbed_official 558:0880f51c4036 72
mbed_official 558:0880f51c4036 73 void pin_function(PinName pin, int data) {
mbed_official 558:0880f51c4036 74 MBED_ASSERT(pin != (PinName)NC);
mbed_official 558:0880f51c4036 75 // Get the pin informations
mbed_official 558:0880f51c4036 76 uint32_t mode = WIZ_PIN_MODE(data);
mbed_official 558:0880f51c4036 77 uint32_t pupd = WIZ_PIN_PUPD(data);
mbed_official 558:0880f51c4036 78 uint32_t afnum;
mbed_official 558:0880f51c4036 79
mbed_official 558:0880f51c4036 80 if( mode == WIZ_MODE_AF )
mbed_official 558:0880f51c4036 81 afnum = WIZ_PIN_AFNUM(data);
mbed_official 558:0880f51c4036 82 else
mbed_official 558:0880f51c4036 83 afnum = WIZ_AFNUM(pin);
mbed_official 558:0880f51c4036 84
mbed_official 558:0880f51c4036 85 uint32_t port_index = WIZ_PORT(pin);
mbed_official 558:0880f51c4036 86 uint32_t pin_index = WIZ_PIN(pin);
mbed_official 558:0880f51c4036 87
mbed_official 558:0880f51c4036 88
mbed_official 558:0880f51c4036 89 uint32_t gpio_add = Get_GPIO_BaseAddress(port_index);
mbed_official 558:0880f51c4036 90 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 558:0880f51c4036 91
mbed_official 558:0880f51c4036 92 // Configure Alternate Function
mbed_official 558:0880f51c4036 93 // Warning: Must be done before the GPIO is initialized
mbed_official 558:0880f51c4036 94 switch (afnum) {
mbed_official 558:0880f51c4036 95 case 0:
mbed_official 558:0880f51c4036 96 HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF0);
mbed_official 558:0880f51c4036 97 break;
mbed_official 558:0880f51c4036 98 case 1:
mbed_official 558:0880f51c4036 99 HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF1);
mbed_official 558:0880f51c4036 100 break;
mbed_official 558:0880f51c4036 101 case 2:
mbed_official 558:0880f51c4036 102 HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF2);
mbed_official 558:0880f51c4036 103 break;
mbed_official 558:0880f51c4036 104 case 3:
mbed_official 558:0880f51c4036 105 HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF3);
mbed_official 558:0880f51c4036 106 break;
mbed_official 558:0880f51c4036 107 default:
mbed_official 558:0880f51c4036 108 break;
mbed_official 558:0880f51c4036 109 }
mbed_official 558:0880f51c4036 110
mbed_official 558:0880f51c4036 111 if(mode == WIZ_MODE_AF)
mbed_official 558:0880f51c4036 112 return;
mbed_official 558:0880f51c4036 113
mbed_official 558:0880f51c4036 114 // Configure GPIO
mbed_official 558:0880f51c4036 115 GPIO_InitTypeDef GPIO_InitStructure;
mbed_official 558:0880f51c4036 116 GPIO_InitStructure.GPIO_Pin = (uint32_t)(1 << pin_index);
mbed_official 558:0880f51c4036 117 GPIO_InitStructure.GPIO_Mode = mode;
mbed_official 558:0880f51c4036 118 GPIO_InitStructure.GPIO_Pad = gpio_pupd[pupd];
mbed_official 558:0880f51c4036 119 HAL_GPIO_Init(gpio, &GPIO_InitStructure);
mbed_official 558:0880f51c4036 120 }
mbed_official 558:0880f51c4036 121
mbed_official 558:0880f51c4036 122 /**
mbed_official 558:0880f51c4036 123 * Configure pin pull-up/pull-down
mbed_official 558:0880f51c4036 124 */
mbed_official 558:0880f51c4036 125 void pin_mode(PinName pin, PinMode pupd)
mbed_official 558:0880f51c4036 126 {
mbed_official 558:0880f51c4036 127 MBED_ASSERT(pin != (PinName)NC);
mbed_official 558:0880f51c4036 128
mbed_official 558:0880f51c4036 129 P_Port_Def *px_pcr;
mbed_official 558:0880f51c4036 130
mbed_official 558:0880f51c4036 131 uint32_t port_index = WIZ_PORT(pin);
mbed_official 558:0880f51c4036 132
mbed_official 558:0880f51c4036 133 switch(port_index) {
mbed_official 558:0880f51c4036 134 case PortA:
mbed_official 558:0880f51c4036 135 px_pcr = PA_PCR;
mbed_official 558:0880f51c4036 136 break;
mbed_official 558:0880f51c4036 137 case PortB:
mbed_official 558:0880f51c4036 138 px_pcr = PB_PCR;
mbed_official 558:0880f51c4036 139 break;
mbed_official 558:0880f51c4036 140 case PortC:
mbed_official 558:0880f51c4036 141 px_pcr = PC_PCR;
mbed_official 558:0880f51c4036 142 break;
mbed_official 558:0880f51c4036 143 case PortD:
mbed_official 558:0880f51c4036 144 px_pcr = (P_Port_Def*)PD_PCR;
mbed_official 558:0880f51c4036 145 break;
mbed_official 558:0880f51c4036 146 default:
mbed_official 558:0880f51c4036 147 error("Pinmap error: wrong port number.");
mbed_official 558:0880f51c4036 148 return;
mbed_official 558:0880f51c4036 149 }
mbed_official 558:0880f51c4036 150
mbed_official 558:0880f51c4036 151 px_pcr->Port[port_index] &= ~(Px_PCR_PUPD_DOWN|Px_PCR_PUPD_UP|Px_PCR_DS_HIGH| \
mbed_official 558:0880f51c4036 152 Px_PCR_OD | Px_PCR_IE | Px_PCR_CS_SUMMIT);
mbed_official 558:0880f51c4036 153 px_pcr->Port[port_index] |= gpio_pupd[pupd];
mbed_official 558:0880f51c4036 154 }