本帖最后由 hotpower 于 2012-9-13 22:40 编辑
主函数- #include "includes.h"
- uint8_t buffer0[5] = {0x68,0x65,0x6c,0x6c,0x6f}; //定义HELLO的数组，是ASCII值
- uint8_t buffer1[10] = {0x73,0x65,0x61,0x72,0x6f,0x76,0x65,0x72,0x37,0x39}; //searover79
- uint8_t buffer2[1] = {0};
- /*
- * Function: main
- * Description: 先串口输出hello，searover79
- 再等待从发送缓冲区接受数据，接收后再发送出去
- * Input Patameter: 无
- * Ouput Patameter : 无
- * Returns: 无
- */
- int main (void)
- {
- Set_System();
- while (1)
- {
- DrvUART_Write(UART_PORT0,buffer0,5);//写串口函数
- delay_ms(3000);
- DrvUART_Write(UART_PORT0,buffer1,10);
- delay_ms(3000);
- DrvUART_Read(UART_PORT0,buffer2,1);
- delay_ms(100);
- DrvUART_Write(UART_PORT0,buffer2,1);
- delay_ms(1000);
- }
- }
-
- #ifndef INCLUDES_H_
- #define INCLUDES_H_
- #include <stdio.h>
- #include "NUC1xx.h"
- #include "config.h"
- #include "DrvSYS.h"
- #include "DrvGPIO.h"
- #include "Drvuart.h"
- #endif
-
- #include "includes.h" //包含所需的头文件
- /*
- * Function: Set_System
- * Description: 封装一些初始化模块
- * Input Patameter: 无
- * Ouput Patameter : 无
- * Returns: 无
- */
- void Set_System(void)
- {
- RCC_Config(); //配置系统时钟
- GPIO_Config(); //配置GPIO
- UART_Config(); //配置USART
- }
- /*
- * Function: RCC_Configuration
- * Description: 系统时钟源设置
- * Input Parameter: none
- * Ouput Patameter: none
- * Returns: none
- */
- void RCC_Config(void)
- {
- UNLOCKREG();
- DrvSYS_SetOscCtrl(E_SYS_XTL12M, 1); //使用外部12M晶振
-
- delay_ms(100); //等待外部晶振就绪
- LOCKREG();
- }
- /*
- * Function: GPIO_Configuration
- * Description: GPIO配置
- * Input Parameter: 无
- * Output Parameter: 无
- * Returs: 无
- */
- void GPIO_Config(void)
- {
- DrvGPIO_Open( E_GPA, 5, E_IO_OUTPUT ); //指定E_GPA5为输出，控制LED4阴极
- DrvGPIO_Open( E_GPB, 0, E_IO_INPUT ); //RX
- DrvGPIO_Open( E_GPB, 1, E_IO_OUTPUT ); //TX
- }
- /*
- * Function: UART_Configuration
- * Description: 配置USART
- * Input Parameter: none
- * Output Parameters: none
- * Returns: none
- */
- void UART_Config()
- {
- STR_UART_T param;
- DrvSYS_SelectIPClockSource(E_SYS_UART_CLKSRC, 0); //使能UART时钟 CLKSEL1寄存器参考NUC100_120_TRM_SC_2.1.PDF
- DrvGPIO_InitFunction(E_FUNC_UART0); //复用功能引脚设置 drvgpio_initfunction()给多功能引脚指定功能
- param.u32BaudRate = 9600; //波特率9600
- param.u8cDataBits = DRVUART_DATABITS_8; //数据位
- param.u8cStopBits = DRVUART_STOPBITS_1; //停止位
- param.u8cParity = DRVUART_PARITY_NONE; //校验位
- param.u8cRxTriggerLevel = DRVUART_FIFO_1BYTES; //FIFO存储深度 1 字节
- param.u8TimeOut = 0; //FIFO超时设定
- DrvUART_Open(UART_PORT0, ¶m); //串口usart0开启、结构体整体赋值
- }
- /*
- * Function: delay_ms
- * Descriptions: 1ms(晶振为12MHZ)延时子程序
- * Input Parameter: count
- * Output Parameter: 无
- * Returns: 无
- */
- void delay_ms(uint32_t count)
- {
- uint32_t i,j;
- for(i=count;i>0;i--)
- {
- for(j=2395;j>0;j--);
- }
- }
- #ifndef CONFIG_H_
- #define CONFIG_H_
- void Set_System(void);
- void RCC_Config(void);
- void GPIO_Config(void);
- void UART_Config(void);
- void delay_ms(uint32_t count);
- #endif
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