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targets/hal/TARGET_WIZNET/TARGET_W7500x/pinmap.c
- Committer:
- bogdanm
- Date:
- 2015-10-01
- Revision:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
File content as of revision 0:9b334a45a8ff:
/* mbed Microcontroller Library ******************************************************************************* * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of ARM Limited nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* */ #include "mbed_assert.h" #include "pinmap.h" #include "PortNames.h" #include "mbed_error.h" #include "W7500x.h" #include "W7500x_gpio.h" uint32_t Get_GPIO_BaseAddress(uint32_t port_idx) { uint32_t gpio_add = 0; switch(port_idx) { case PortA: gpio_add = GPIOA_BASE; break; case PortB: gpio_add = GPIOB_BASE; break; case PortC: gpio_add = GPIOC_BASE; break; case PortD: gpio_add = GPIOD_BASE; break; default: error("Pinmap error: wrong port number."); break; } return gpio_add; } /** * Configure pin (input, output, alternate function or analog) + output speed + AF */ void pin_function(PinName pin, int data) { MBED_ASSERT(pin != (PinName)NC); // Get the pin informations uint32_t mode = WIZ_PIN_MODE(data); uint32_t pupd = WIZ_PIN_PUPD(data); uint32_t afnum = WIZ_PIN_AFNUM(data); uint32_t port_num = WIZ_PORT(pin); uint32_t pin_index = WIZ_PIN_INDEX(pin); GPIO_TypeDef *gpio; // Configure Alternate Function // Warning: Must be done before the GPIO is initialized switch (afnum) { case 0: HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF0); break; case 1: HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF1); break; case 2: HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF2); break; case 3: HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF3); break; default: break; } if(mode == WIZ_MODE_AF) return; // Configure GPIO gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num); GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = pin_index; GPIO_InitStructure.GPIO_Mode = (GPIOMode_TypeDef)mode; GPIO_InitStructure.GPIO_Pad = (GPIOPad_TypeDef)pupd; HAL_GPIO_Init(gpio, &GPIO_InitStructure); } /** * Configure pin pull-up/pull-down */ void pin_mode(PinName pin, PinMode pupd) { MBED_ASSERT(pin != (PinName)NC); uint32_t port_num = WIZ_PORT(pin); uint32_t pin_num = WIZ_PIN_NUM(pin); switch(port_num) { case PortA: PA_PCR->Port[pin_num] |= pupd; break; case PortB: PB_PCR->Port[pin_num] |= pupd; break; case PortC: PC_PCR->Port[pin_num] |= pupd; break; case PortD: PD_PCR->Port[pin_num] |= pupd; break; default: error("Pinmap error: wrong port number."); return; } }