- #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;
- }
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