From b3c7bc964bdab9a4ff04f06e9cfb85bd2f9c6107 Mon Sep 17 00:00:00 2001 From: Jonne Date: Fri, 10 Apr 2020 21:40:33 +0800 Subject: 更新mini2440 bsp包: 1、加入Kconfig以支持图形化菜单配置 2、编译脚本中添加动态模块编译参数 3、开启自动初始化机制支持 4、重构串口驱动以解决开启posix支持后终端无响应问题 5、解决dm9000网卡驱动link up问题 6、添加mnt.c文件用来挂载文件系统 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- libcpu/arm/s3c24x0/serial.c | 291 -------------------------------------------- libcpu/arm/s3c24x0/serial.h | 66 ---------- 2 files changed, 357 deletions(-) delete mode 100644 libcpu/arm/s3c24x0/serial.c delete mode 100644 libcpu/arm/s3c24x0/serial.h (limited to 'libcpu/arm') diff --git a/libcpu/arm/s3c24x0/serial.c b/libcpu/arm/s3c24x0/serial.c deleted file mode 100644 index 1eca1b1110..0000000000 --- a/libcpu/arm/s3c24x0/serial.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Copyright (c) 2006-2018, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - * 2006-03-13 Bernard first version - * 2009-04-20 yi.qiu modified according bernard's stm32 version - */ - -#include - -#include "serial.h" - -/** - * @addtogroup S3C24X0 - */ -/*@{*/ - -/* RT-Thread Device Interface */ -/** - * This function initializes serial - */ -static rt_err_t rt_serial_init(rt_device_t dev) -{ - struct serial_device* uart = (struct serial_device*) dev->user_data; - - if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED)) - { - - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - rt_memset(uart->int_rx->rx_buffer, 0, - sizeof(uart->int_rx->rx_buffer)); - uart->int_rx->read_index = uart->int_rx->save_index = 0; - } - - if (dev->flag & RT_DEVICE_FLAG_INT_TX) - { - rt_memset(uart->int_tx->tx_buffer, 0, - sizeof(uart->int_tx->tx_buffer)); - uart->int_tx->write_index = uart->int_tx->save_index = 0; - } - - dev->flag |= RT_DEVICE_FLAG_ACTIVATED; - } - - return RT_EOK; -} - -/* save a char to serial buffer */ -static void rt_serial_savechar(struct serial_device* uart, char ch) -{ - rt_base_t level; - - /* disable interrupt */ - level = rt_hw_interrupt_disable(); - - uart->int_rx->rx_buffer[uart->int_rx->save_index] = ch; - uart->int_rx->save_index ++; - if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE) - uart->int_rx->save_index = 0; - - /* if the next position is read index, discard this 'read char' */ - if (uart->int_rx->save_index == uart->int_rx->read_index) - { - uart->int_rx->read_index ++; - if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE) - uart->int_rx->read_index = 0; - } - - /* enable interrupt */ - rt_hw_interrupt_enable(level); -} - -static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag) -{ - RT_ASSERT(dev != RT_NULL); - - return RT_EOK; -} - -static rt_err_t rt_serial_close(rt_device_t dev) -{ - RT_ASSERT(dev != RT_NULL); - - return RT_EOK; -} - -static rt_size_t rt_serial_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) -{ - rt_uint8_t* ptr; - rt_err_t err_code; - struct serial_device* uart; - - ptr = buffer; - err_code = RT_EOK; - uart = (struct serial_device*)dev->user_data; - - if (ptr == RT_NULL) - { - err_code = -RT_ENOMEM; - rt_set_errno(err_code); - return -RT_ENOMEM; - } - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - rt_base_t level; - - /* interrupt mode Rx */ - while (size) - { - if (uart->int_rx->read_index != uart->int_rx->save_index) - { - *ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index]; - size --; - - /* disable interrupt */ - level = rt_hw_interrupt_disable(); - - uart->int_rx->read_index ++; - if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE) - uart->int_rx->read_index = 0; - - /* enable interrupt */ - rt_hw_interrupt_enable(level); - } - else - { - /* set error code */ - err_code = -RT_EEMPTY; - break; - } - } - } - else - { - /* polling mode */ - while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size) - { - while (uart->uart_device->ustat & USTAT_RCV_READY) - { - *ptr = uart->uart_device->urxh & 0xff; - ptr ++; - } - } - } - - /* set error code */ - rt_set_errno(err_code); - return (rt_uint32_t)ptr - (rt_uint32_t)buffer; -} - -static rt_size_t rt_serial_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) -{ - rt_uint8_t* ptr; - rt_err_t err_code; - struct serial_device* uart; - - err_code = RT_EOK; - ptr = (rt_uint8_t*)buffer; - uart = (struct serial_device*)dev->user_data; - - if (ptr == RT_NULL) - { - err_code = -RT_ENOMEM; - rt_set_errno(err_code); - return -RT_ENOMEM; - } - if (dev->flag & RT_DEVICE_FLAG_INT_TX) - { - /* interrupt mode Tx */ - while (uart->int_tx->save_index != uart->int_tx->write_index) - { - /* save on tx buffer */ - uart->int_tx->tx_buffer[uart->int_tx->save_index] = *ptr++; - - -- size; - - /* move to next position */ - uart->int_tx->save_index ++; - - /* wrap save index */ - if (uart->int_tx->save_index >= UART_TX_BUFFER_SIZE) - uart->int_tx->save_index = 0; - } - - /* set error code */ - if (size > 0) - err_code = -RT_EFULL; - } - else - { - /* polling mode */ - while (size) - { - /* - * to be polite with serial console add a line feed - * to the carriage return character - */ - if (*ptr == '\n' && (dev->flag & RT_DEVICE_FLAG_STREAM)) - { - while (!(uart->uart_device->ustat & USTAT_TXB_EMPTY)); - uart->uart_device->utxh = '\r'; - } - - while (!(uart->uart_device->ustat & USTAT_TXB_EMPTY)); - uart->uart_device->utxh = (*ptr & 0xFF); - - ++ptr; - --size; - } - } - - /* set error code */ - rt_set_errno(err_code); - return (rt_uint32_t)ptr - (rt_uint32_t)buffer; -} - -static rt_err_t rt_serial_control(rt_device_t dev, int cmd, void *args) -{ - RT_ASSERT(dev != RT_NULL); - - switch (cmd) - { - case RT_DEVICE_CTRL_SUSPEND: - /* suspend device */ - dev->flag |= RT_DEVICE_FLAG_SUSPENDED; - break; - - case RT_DEVICE_CTRL_RESUME: - /* resume device */ - dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED; - break; - } - - return RT_EOK; -} - -/* - * serial register - */ -rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial) -{ - RT_ASSERT(device != RT_NULL); - - device->type = RT_Device_Class_Char; - device->rx_indicate = RT_NULL; - device->tx_complete = RT_NULL; - device->init = rt_serial_init; - device->open = rt_serial_open; - device->close = rt_serial_close; - device->read = rt_serial_read; - device->write = rt_serial_write; - device->control = rt_serial_control; - device->user_data = serial; - - /* register a character device */ - return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag); -} - -/* ISR for serial interrupt */ -void rt_hw_serial_isr(rt_device_t device) -{ - struct serial_device* uart = (struct serial_device*) device->user_data; - - /* interrupt mode receive */ - RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX); - - /* save on rx buffer */ - while (uart->uart_device->ustat & USTAT_RCV_READY) - { - rt_serial_savechar(uart, uart->uart_device->urxh & 0xff); - } - - /* invoke callback */ - if (device->rx_indicate != RT_NULL) - { - rt_size_t rx_length; - - /* get rx length */ - rx_length = uart->int_rx->read_index > uart->int_rx->save_index ? - UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index : - uart->int_rx->save_index - uart->int_rx->read_index; - - device->rx_indicate(device, rx_length); - } -} - -/*@}*/ diff --git a/libcpu/arm/s3c24x0/serial.h b/libcpu/arm/s3c24x0/serial.h deleted file mode 100644 index 8a647ef35f..0000000000 --- a/libcpu/arm/s3c24x0/serial.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (c) 2006-2018, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - */ -#ifndef __RT_HW_SERIAL_H__ -#define __RT_HW_SERIAL_H__ - -#include -#include - -#include "s3c24x0.h" - -#define USTAT_RCV_READY 0x01 /* receive data ready */ -#define USTAT_TXB_EMPTY 0x02 /* tx buffer empty */ -#define BPS 115200 /* serial baudrate */ - -#define UART_RX_BUFFER_SIZE 64 -#define UART_TX_BUFFER_SIZE 64 - -struct serial_int_rx -{ - rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE]; - rt_uint32_t read_index, save_index; -}; - -struct serial_int_tx -{ - rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE]; - rt_uint32_t write_index, save_index; -}; - -typedef struct uartport -{ - volatile rt_uint32_t ulcon; - volatile rt_uint32_t ucon; - volatile rt_uint32_t ufcon; - volatile rt_uint32_t umcon; - volatile rt_uint32_t ustat; - volatile rt_uint32_t urxb; - volatile rt_uint32_t ufstat; - volatile rt_uint32_t umstat; - volatile rt_uint32_t utxh; - volatile rt_uint32_t urxh; - volatile rt_uint32_t ubrd; -}uartport; - -struct serial_device -{ - uartport* uart_device; - - /* rx structure */ - struct serial_int_rx* int_rx; - - /* tx structure */ - struct serial_int_tx* int_tx; -}; - -rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial); - -void rt_hw_serial_isr(rt_device_t device); - -#endif -- cgit v1.3.1