mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2026-08-18 20:48:41 +08:00
[bsp] added Ethernet driver and lwip in stm32f429-apollo board
* use uart1 as default console device
* add pcf8574 support(a general-purpose remote I/O expansion chip)
This commit is contained in:
tanek liang
@@ -18,7 +18,7 @@ drv_mpu.c
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# add Ethernet drivers.
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if GetDepend('RT_USING_LWIP'):
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src += ['drv_eth.c']
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src += ['drv_eth.c', 'drv_iic.c', 'drv_pcf8574.c']
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# add gpio drivers.
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if GetDepend('RT_USING_PIN'):
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@@ -61,7 +61,7 @@ extern int __bss_end;
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// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
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// <i>Default: 1
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#define STM32_CONSOLE_USART 2
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#define STM32_CONSOLE_USART 1
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void rt_hw_board_init(void);
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,6 @@
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#ifndef __DRV_ETH_H__
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#define __DRV_ETH_H__
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void rt_hw_stm32_eth_init(void);
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#endif
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@@ -0,0 +1,113 @@
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/*
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* File : drv_iic.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2017 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-06-05 tanek first implementation.
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*/
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#include "drv_iic.h"
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#include <board.h>
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#include <finsh.h>
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#include <rtdevice.h>
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#include <rthw.h>
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#define DEBUG
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#ifdef DEBUG
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#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__)
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#else
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#define DEBUG_PRINTF(...)
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#endif
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static void stm32f4_i2c_gpio_init()
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{
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GPIO_InitTypeDef GPIO_Initure;
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__HAL_RCC_GPIOH_CLK_ENABLE();
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GPIO_Initure.Pin = GPIO_PIN_4 | GPIO_PIN_5;
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GPIO_Initure.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_Initure.Pull = GPIO_PULLUP;
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GPIO_Initure.Speed = GPIO_SPEED_FAST;
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HAL_GPIO_Init(GPIOH, &GPIO_Initure);
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HAL_GPIO_WritePin(GPIOH, GPIO_PIN_5, GPIO_PIN_SET);
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HAL_GPIO_WritePin(GPIOH, GPIO_PIN_4, GPIO_PIN_SET);
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}
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static void stm32f4_set_sda(void *data, rt_int32_t state)
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{
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HAL_GPIO_WritePin(GPIOH, GPIO_PIN_5, (GPIO_PinState)state);
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}
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static void stm32f4_set_scl(void *data, rt_int32_t state)
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{
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HAL_GPIO_WritePin(GPIOH, GPIO_PIN_4, (GPIO_PinState)state);
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}
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static rt_int32_t stm32f4_get_sda(void *data)
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{
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return (rt_int32_t)HAL_GPIO_ReadPin(GPIOH, GPIO_PIN_5);
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}
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static rt_int32_t stm32f4_get_scl(void *data)
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{
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return (rt_int32_t)HAL_GPIO_ReadPin(GPIOH, GPIO_PIN_4);
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}
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static void stm32f4_udelay(rt_uint32_t us)
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{
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rt_int32_t i;
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for (; us > 0; us--)
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{
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i = 50;
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while (i > 0)
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{
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i--;
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}
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}
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}
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static const struct rt_i2c_bit_ops bit_ops = {
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RT_NULL,
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stm32f4_set_sda,
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stm32f4_set_scl,
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stm32f4_get_sda,
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stm32f4_get_scl,
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stm32f4_udelay,
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5,
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100
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};
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int stm32f4_i2c_init(void)
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{
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struct rt_i2c_bus_device *bus;
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bus = rt_malloc(sizeof(struct rt_i2c_bus_device));
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if (bus == RT_NULL)
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{
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rt_kprintf("rt_malloc failed\n");
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return -RT_ENOMEM;
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}
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rt_memset((void *)bus, 0, sizeof(struct rt_i2c_bus_device));
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bus->priv = (void *)&bit_ops;
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stm32f4_i2c_gpio_init();
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rt_i2c_bit_add_bus(bus, "i2c0");
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(stm32f4_i2c_init);
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@@ -0,0 +1,24 @@
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/*
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* File : drv_iic.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2017 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-06-05 tanek first implementation.
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*/
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#ifndef STM32F4XX_IIC_INCLUDED
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#define STM32F4XX_IIC_INCLUDED
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#include <rtthread.h>
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#include <drivers/spi.h>
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#include "stm32f4xx_hal.h"
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#endif // STM32F20X_40X_SPI_H_INCLUDED
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@@ -0,0 +1,100 @@
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/*
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* File : drv_iic.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2017 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-06-09 tanek first implementation.
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*/
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#include "drv_pcf8574.h"
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#include <board.h>
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#include <rthw.h>
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#include <finsh.h>
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//#define DEBUG
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#ifdef DEBUG
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#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__)
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#else
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#define DEBUG_PRINTF(...)
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#endif
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#define I2C_BUS_NAME "i2c0"
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#define PCF8574_ADDR 0x20
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static uint8_t rt_pcf8574_read_onebyte(void);
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static void rt_pcf8574_write_onebyte(rt_uint8_t value);
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static struct rt_i2c_bus_device * i2c_bus;
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rt_err_t rt_pcf8574_init(void)
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{
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rt_uint8_t buffer[] = { 0xFF };
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rt_off_t pos = PCF8574_ADDR;
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__HAL_RCC_GPIOB_CLK_ENABLE();
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i2c_bus = (struct rt_i2c_bus_device *)rt_device_find(I2C_BUS_NAME);
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if (i2c_bus == RT_NULL)
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{
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DEBUG_PRINTF("\ni2c_bus %s for PCF8574 not found!\n", I2C_BUS_NAME);
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return -RT_ENOSYS;
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}
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if (rt_device_open(&i2c_bus->parent, RT_NULL) != RT_EOK)
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{
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DEBUG_PRINTF("\ni2c_bus %s for cs43l22 opened failed!\n", I2C_BUS_NAME);
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return -RT_EEMPTY;
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}
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rt_device_write(&i2c_bus->parent, pos, &buffer, 1);
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return RT_EOK;
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}
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static uint8_t rt_pcf8574_read_onebyte(void)
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{
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rt_uint8_t value;
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rt_device_read(&i2c_bus->parent, PCF8574_ADDR, &value, 1);
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return value;
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}
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static void rt_pcf8574_write_onebyte(rt_uint8_t value)
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{
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rt_device_write(&i2c_bus->parent, PCF8574_ADDR, &value, 1);
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}
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void rt_pcf8574_write_bit(rt_uint8_t bit, rt_uint8_t state)
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{
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rt_uint8_t data;
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data = rt_pcf8574_read_onebyte();
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if (state == 0)
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data &= ~(1 << bit);
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else
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data |= 1 << bit;
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rt_pcf8574_write_onebyte(data);
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}
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rt_uint8_t rt_pcf8574_read_bit(rt_uint8_t bit)
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{
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rt_uint8_t data;
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data = rt_pcf8574_read_onebyte();
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if (data&(1 << bit))
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return 1;
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else
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return 0;
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}
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@@ -0,0 +1,25 @@
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#ifndef __DRV_PCF8574_H
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#define __DRV_PCF8574_H
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#include <board.h>
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#include <finsh.h>
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#include <rtdevice.h>
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#include <rthw.h>
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//PCF8574各个IO的功能
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#define BEEP_IO 0 //蜂鸣器控制引脚 P0
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#define AP_INT_IO 1 //AP3216C中断引脚 P1
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#define DCMI_PWDN_IO 2 //DCMI的电源控制引脚 P2
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#define USB_PWR_IO 3 //USB电源控制引脚 P3
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#define EX_IO 4 //扩展IO,自定义使用 P4
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#define MPU_INT_IO 5 //MPU9250中断引脚 P5
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#define RS485_RE_IO 6 //RS485_RE引脚 P6
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#define ETH_RESET_IO 7 //以太网复位引脚 P7
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rt_err_t rt_pcf8574_init(void);
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void rt_pcf8574_write_bit(rt_uint8_t bit, rt_uint8_t state);
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rt_uint8_t rt_pcf8574_read_bit(rt_uint8_t bit);
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#endif
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@@ -186,7 +186,9 @@
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/* Enable DNS */
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#define RT_LWIP_DNS
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/* Enable DHCP */
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//#define RT_LWIP_DHCP
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#define RT_LWIP_DHCP
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/* Enable DEBUG */
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//#define RT_LWIP_DEBUG
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/* the number of simulatenously active TCP connections*/
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#define RT_LWIP_TCP_PCB_NUM 5
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@@ -228,9 +230,9 @@
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#define CHECKSUM_CHECK_IP 0
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#define CHECKSUM_CHECK_UDP 0
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#define CHECKSUM_GEN_TCP 0
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#define CHECKSUM_GEN_IP 0
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#define CHECKSUM_GEN_UDP 0
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//#define CHECKSUM_GEN_TCP 0
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//#define CHECKSUM_GEN_IP 0
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//#define CHECKSUM_GEN_UDP 0
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/* RT_GDB_STUB */
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//#define RT_USING_GDB
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@@ -246,4 +248,7 @@
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/* serial flash discoverable parameters by JEDEC standard */
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#define RT_SFUD_USING_SFDP
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#define RT_USING_I2C
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#define RT_USING_I2C_BITOPS
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#endif
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