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https://github.com/armink/FreeModbus_Slave-Master-RTT-STM32.git
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de7bad9245
2、【创建】Eclipse工程，并支持IAR插件调试 3、【创建】Keil工程，位于/RVMDK目录下 4、【创建】IAR工程，位于/EWARM目录下 5、【添加】RT-Thread1.1.1操作系统支持 6、【添加】LED1、LED2系统运行指示灯 7、【修改】Readdme.md文件 Signed-off-by: armink <armink.ztl@gmail.com>
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#ifndef __RT_HW_SERIAL_H__
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#define __RT_HW_SERIAL_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include "s3c24x0.h"
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#define USTAT_RCV_READY 0x01 /* receive data ready */
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#define USTAT_TXB_EMPTY 0x02 /* tx buffer empty */
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#define BPS 115200 /* serial baudrate */
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#define UART_RX_BUFFER_SIZE 64
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#define UART_TX_BUFFER_SIZE 64
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struct serial_int_rx
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{
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rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
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rt_uint32_t read_index, save_index;
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};
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struct serial_int_tx
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{
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rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE];
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rt_uint32_t write_index, save_index;
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};
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typedef struct uartport
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{
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volatile rt_uint32_t ulcon;
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volatile rt_uint32_t ucon;
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volatile rt_uint32_t ufcon;
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volatile rt_uint32_t umcon;
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volatile rt_uint32_t ustat;
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volatile rt_uint32_t urxb;
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volatile rt_uint32_t ufstat;
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volatile rt_uint32_t umstat;
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volatile rt_uint32_t utxh;
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volatile rt_uint32_t urxh;
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volatile rt_uint32_t ubrd;
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}uartport;
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struct serial_device
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{
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uartport* uart_device;
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/* rx structure */
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struct serial_int_rx* int_rx;
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/* tx structure */
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struct serial_int_tx* int_tx;
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};
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rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial);
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void rt_hw_serial_isr(rt_device_t device);
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#endif
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