DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src by mbed official

targets/hal/TARGET_WIZNET/TARGET_W7500x/port_api.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 "port_api.h"
mbed_official 558:0880f51c4036 32 #include "pinmap.h"
mbed_official 558:0880f51c4036 33 #include "gpio_api.h"
mbed_official 558:0880f51c4036 34 #include "mbed_error.h"
mbed_official 558:0880f51c4036 35
mbed_official 558:0880f51c4036 36 #if DEVICE_PORTIN || DEVICE_PORTOUT
mbed_official 558:0880f51c4036 37
mbed_official 558:0880f51c4036 38 extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
mbed_official 558:0880f51c4036 39
mbed_official 558:0880f51c4036 40 //port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
mbed_official 558:0880f51c4036 41 PinName port_pin(PortName port, int pin_n)
mbed_official 558:0880f51c4036 42 {
mbed_official 558:0880f51c4036 43 int af_num = 0;
mbed_official 558:0880f51c4036 44
mbed_official 558:0880f51c4036 45 if( (port == 2) && ((pin_n == 0) || (pin_n == 1) || (pin_n == 4) || (pin_n == 8) || (pin_n == 9)) )
mbed_official 558:0880f51c4036 46 {
mbed_official 558:0880f51c4036 47 af_num = 1;
mbed_official 558:0880f51c4036 48 }
mbed_official 558:0880f51c4036 49
mbed_official 558:0880f51c4036 50
mbed_official 558:0880f51c4036 51 return (PinName)(pin_n + (port << 4) + (af_num << 8));
mbed_official 558:0880f51c4036 52 }
mbed_official 558:0880f51c4036 53
mbed_official 558:0880f51c4036 54 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
mbed_official 558:0880f51c4036 55 {
mbed_official 558:0880f51c4036 56 uint32_t port_index = (uint32_t)port;
mbed_official 558:0880f51c4036 57
mbed_official 558:0880f51c4036 58 // Enable GPIO clock
mbed_official 558:0880f51c4036 59 uint32_t gpio_add = Get_GPIO_BaseAddress(port_index);
mbed_official 558:0880f51c4036 60 GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
mbed_official 558:0880f51c4036 61
mbed_official 558:0880f51c4036 62 // Fill PORT object structure for future use
mbed_official 558:0880f51c4036 63 obj->port = port;
mbed_official 558:0880f51c4036 64 obj->mask = mask;
mbed_official 558:0880f51c4036 65 obj->direction = dir;
mbed_official 558:0880f51c4036 66 obj->reg_in = &gpio->DATA;
mbed_official 558:0880f51c4036 67 obj->reg_out = &gpio->DATAOUT;
mbed_official 558:0880f51c4036 68
mbed_official 558:0880f51c4036 69 port_dir(obj, dir);
mbed_official 558:0880f51c4036 70 }
mbed_official 558:0880f51c4036 71
mbed_official 558:0880f51c4036 72 void port_dir(port_t *obj, PinDirection dir)
mbed_official 558:0880f51c4036 73 {
mbed_official 558:0880f51c4036 74 uint32_t i;
mbed_official 558:0880f51c4036 75 obj->direction = dir;
mbed_official 558:0880f51c4036 76 for (i = 0; i < 16; i++) { // Process all pins
mbed_official 558:0880f51c4036 77 if (obj->mask & (1 << i)) { // If the pin is used
mbed_official 558:0880f51c4036 78 if (dir == PIN_OUTPUT) {
mbed_official 558:0880f51c4036 79 pin_function(port_pin(obj->port, i), WIZ_PIN_DATA(WIZ_MODE_OUTPUT, WIZ_GPIO_NOPULL, 0));
mbed_official 558:0880f51c4036 80 } else { // PIN_INPUT
mbed_official 558:0880f51c4036 81 pin_function(port_pin(obj->port, i), WIZ_PIN_DATA(WIZ_MODE_INPUT, WIZ_GPIO_NOPULL, 0));
mbed_official 558:0880f51c4036 82 }
mbed_official 558:0880f51c4036 83 }
mbed_official 558:0880f51c4036 84 }
mbed_official 558:0880f51c4036 85 }
mbed_official 558:0880f51c4036 86
mbed_official 558:0880f51c4036 87 void port_mode(port_t *obj, PinMode mode)
mbed_official 558:0880f51c4036 88 {
mbed_official 558:0880f51c4036 89 uint32_t i;
mbed_official 558:0880f51c4036 90 for (i = 0; i < 16; i++) { // Process all pins
mbed_official 558:0880f51c4036 91 if (obj->mask & (1 << i)) { // If the pin is used
mbed_official 558:0880f51c4036 92 pin_mode(port_pin(obj->port, i), mode);
mbed_official 558:0880f51c4036 93 }
mbed_official 558:0880f51c4036 94 }
mbed_official 558:0880f51c4036 95 }
mbed_official 558:0880f51c4036 96
mbed_official 558:0880f51c4036 97 void port_write(port_t *obj, int value)
mbed_official 558:0880f51c4036 98 {
mbed_official 558:0880f51c4036 99 *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
mbed_official 558:0880f51c4036 100 }
mbed_official 558:0880f51c4036 101
mbed_official 558:0880f51c4036 102 int port_read(port_t *obj)
mbed_official 558:0880f51c4036 103 {
mbed_official 558:0880f51c4036 104 if (obj->direction == PIN_OUTPUT) {
mbed_official 558:0880f51c4036 105 return (*obj->reg_out & obj->mask);
mbed_official 558:0880f51c4036 106 } else { // PIN_INPUT
mbed_official 558:0880f51c4036 107 return (*obj->reg_in & obj->mask);
mbed_official 558:0880f51c4036 108 }
mbed_official 558:0880f51c4036 109 }
mbed_official 558:0880f51c4036 110
mbed_official 558:0880f51c4036 111 #endif