#include "SWM341.h"
void SerialInit(void);
int main(void)
{
uint32_t uquo, urem;
int32_t squo, srem;
SystemInit();
SerialInit();
DIV_Init(DIV);
DIV_UDiv(15, 6);
while(DIV_Div_IsBusy());
DIV_UDiv_Result(&uquo, &urem);
printf("15/6 QUO=%d, REM=%d\r\n", uquo, urem);
DIV_SDiv(-15, 6);
while(DIV_Div_IsBusy());
DIV_SDiv_Result(&squo, &srem);
printf("-15/6 QUO=%d, REM=%d\r\n", squo, srem);
DIV_Root(2, 1);
while(DIV_Root_IsBusy());
printf("sqrt(2) = %f\r\n", DIV_Root_Result()/65536.0);
while(1==1)
{
}
}
void SerialInit(void)
{
UART_InitStructure UART_initStruct;
PORT_Init(PORTM, PIN0, PORTM_PIN0_UART0_RX, 1); //GPIOM.0配置为UART0输入引脚
PORT_Init(PORTM, PIN1, PORTM_PIN1_UART0_TX, 0); //GPIOM.1配置为UART0输出引脚
UART_initStruct.Baudrate = 57600;
UART_initStruct.DataBits = UART_DATA_8BIT;
UART_initStruct.Parity = UART_PARITY_NONE;
UART_initStruct.StopBits = UART_STOP_1BIT;
UART_initStruct.RXThreshold = 3;
UART_initStruct.RXThresholdIEn = 0;
UART_initStruct.TXThreshold = 3;
UART_initStruct.TXThresholdIEn = 0;
UART_initStruct.TimeoutTime = 10;
UART_initStruct.TimeoutIEn = 0;
UART_Init(UART0, &UART_initStruct);
UART_Open(UART0);
}
/******************************************************************************************************************************************
* 函数名称: fputc()
* 功能说明: printf()使用此函数完成实际的串口打印动作
* 输 入: int ch 要打印的字符
* FILE *f 文件句柄
* 输 出: 无
* 注意事项: 无
******************************************************************************************************************************************/
int fputc(int ch, FILE *f)
{
UART_WriteByte(UART0, ch);
while(UART_IsTXBusy(UART0));
return ch;
}
|