MCU_SWM221/CAN/SimplCAN/APP/main.c

#include "SWM221.h"

void SerialInit(void);

int main(void)
{
    // <20><><EFBFBD>巢<EFBFBD><E5B7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><E9A3AC><EFBFBD><EFBFBD>8<EFBFBD><38><EFBFBD>ֽ<EFBFBD>
    uint8_t tx_data[8] = {1, 2, 3, 4, 5, 6, 7, 8};
    CAN_InitStructure CAN_initStruct;  // CAN<41><4E>ʼ<EFBFBD><CABC><EFBFBD>ṹ<EFBFBD><E1B9B9>
    CAN_RXMessage CAN_msg;            // CAN<41><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD>ṹ<EFBFBD><E1B9B9>
    
    SystemInit();    // ϵͳʱ<CDB3>ӡ<EFBFBD><D3A1>ڴ桢<DAB4>жϵȳ<CFB5>ʼ<EFBFBD><CABC>
    SerialInit();    // <20><><EFBFBD><EFBFBD>ͨ<EFBFBD>ų<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>ӡ<EFBFBD><D3A1>
    
		GPIO_Init(GPIOA, PIN3, 1, 0, 1, 0);			//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>MCU<43><55><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
    // <20><>ʼ<EFBFBD><CABC>PORTB<54><42><EFBFBD><EFBFBD>7<EFBFBD><37>8ΪCAN0<4E><30>RX/TX<54><58><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>帴<EFBFBD>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD>оƬ<D0BE>ֲᣩ
    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD>, <20><><EFBFBD>ź<EFBFBD>, <20><><EFBFBD>ù<EFBFBD><C3B9><EFBFBD>, <20><><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD>ܣ<EFBFBD>1-ʹ<>ܣ<EFBFBD>0-<2D><><EFBFBD>ã<EFBFBD>
    PORT_Init(PORTB, PIN7, PORTB_PIN7_CAN0_RX, 1);  // CAN0<4E><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    PORT_Init(PORTB, PIN8, PORTB_PIN8_CAN0_TX, 0);  // CAN0<4E><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    
		
    // <20><><EFBFBD><EFBFBD>CAN<41><4E>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    CAN_initStruct.Mode = CAN_MODE_SELFTEST;     // <20>Բ<EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD>TX<54><58>RX<52><58>
    CAN_initStruct.CAN_bs1 = CAN_BS1_5tq;        // λʱ<CEBB><CAB1><EFBFBD><EFBFBD>1ռ5<D5BC><35>ʱ<EFBFBD>䵥λ
    CAN_initStruct.CAN_bs2 = CAN_BS2_4tq;        // λʱ<CEBB><CAB1><EFBFBD><EFBFBD>2ռ4<D5BC><34>ʱ<EFBFBD>䵥λ
    CAN_initStruct.CAN_sjw = CAN_SJW_2tq;        // ͬ<><CDAC><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>2<EFBFBD><32>ʱ<EFBFBD>䵥λ
    CAN_initStruct.Baudrate = 50000;             // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>50kbps
    CAN_initStruct.RXNotEmptyIEn = 0;            // <20><><EFBFBD>ý<EFBFBD><C3BD><EFBFBD><EFBFBD>ж<EFBFBD>
    CAN_initStruct.ArbitrLostIEn = 0;            // <20><><EFBFBD><EFBFBD><EFBFBD>ٲö<D9B2>ʧ<EFBFBD>ж<EFBFBD>
    CAN_initStruct.ErrPassiveIEn = 0;            // <20><><EFBFBD>ô<EFBFBD><C3B4>󱻶<EFBFBD><F3B1BBB6>ж<EFBFBD>
    CAN_Init(CAN0, &CAN_initStruct);             // Ӧ<><D3A6><EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD>ʼ<EFBFBD><CABC>CAN0
    
    // <20><><EFBFBD><EFBFBD>CAN<41><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32λģʽ<C4A3><CABD>
    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CANģ<4E><C4A3>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><>ʶ<EFBFBD><CAB6>ID, <20><><EFBFBD>루<EFBFBD><EBA3A8><EFBFBD><EFBFBD>0x1FFFFFFE<46><45>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>ID<49><44><EFBFBD><EFBFBD>λ<EFBFBD>仯<EFBFBD><E4BBAF>
    // <20><><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չIDΪ0x00122122<32><32>0x00122123<32><33>֡
    CAN_SetFilter32b(CAN0, CAN_FILTER_1, 0x00122122, 0x1FFFFFFE);
    
    // <20><><EFBFBD><EFBFBD>CAN<41><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>16λģʽ<C4A3><CABD>
    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CANģ<4E><C4A3>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, ID1, <20><><EFBFBD><EFBFBD>1, ID2, <20><><EFBFBD><EFBFBD>2
    // <20><><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>ձ<EFBFBD>׼IDΪ0x122<32><32>0x123<32><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0x7FE<46><45><EFBFBD><EFBFBD>0x101<30><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0x7FF<46><46><EFBFBD><EFBFBD>֡
    CAN_SetFilter16b(CAN0, CAN_FILTER_2, 0x122, 0x7FE, 0x101, 0x7FF);
    
    CAN_Open(CAN0);  // <20><><EFBFBD><EFBFBD>CAN0<4E><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    
    // <20><><EFBFBD>ͱ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>֡<EFBFBD><D6A1>ID: 0x122, <20><><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>8<EFBFBD>ֽ<EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6>ش<EFBFBD><D8B4><EFBFBD>
    CAN_Transmit(CAN0, CAN_FRAME_STD, 0x122, tx_data, 8, 1);
    while(CAN_TXComplete(CAN0) == 0) __NOP();  // <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    
    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><D5B9><EFBFBD><EFBFBD>֡<EFBFBD><D6A1>ID: 0x122122, <20><><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>8<EFBFBD>ֽ<EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6>ش<EFBFBD><D8B4><EFBFBD>
    CAN_Transmit(CAN0, CAN_FRAME_EXT, 0x122122, tx_data, 8, 1);
    while(CAN_TXComplete(CAN0) == 0) __NOP();  // <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    
    // ѭ<><D1AD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>н<EFBFBD><D0BD>յ<EFBFBD><D5B5><EFBFBD>CAN<41><4E>Ϣ<EFBFBD><CFA2>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ
    while(CAN_RXDataAvailable(CAN0))
    {
        CAN_Receive(CAN0, &CAN_msg);  // <20>ӻ<EFBFBD><D3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>Ϣ
        
        // <20><>ӡ֡<D3A1><D6A1><EFBFBD>ͺ<EFBFBD>ID
        printf("\r\nReceive %s %08X: ", 
               CAN_msg.format == CAN_FRAME_STD ? "STD" : "EXT", 
               CAN_msg.id);
        
        // <20><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>ʮ<EFBFBD><CAAE><EFBFBD><EFBFBD><EFBFBD>Ƹ<EFBFBD>ʽ<EFBFBD><CABD>
        for(int i = 0; i < CAN_msg.size; i++) 
            printf("%02X, ", CAN_msg.data[i]);
    }
    
    // <20><>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><D6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>
    while(1==1)
    {
    }
}


/*
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SerialInit
 * <EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>UART0<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PA.0ΪUART0_RX<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PA.1ΪUART0_TX<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *     <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>57600<EFBFBD><EFBFBD>8λ<EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>飬1λֹͣλ
 *     FIFO<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>շ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD>ֽ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>δʹ<EFBFBD>ܣ<EFBFBD>
 *     <EFBFBD><EFBFBD><EFBFBD>ճ<EFBFBD>ʱʱ<EFBFBD><EFBFBD>10<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥λ<EFBFBD>ο<EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD>ֲᣩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ж<EFBFBD>δʹ<EFBFBD><EFBFBD>
 */
void SerialInit(void)
{
    UART_InitStructure UART_initStruct;
    
    // <20><><EFBFBD><EFBFBD>PA0<41><30><EFBFBD><EFBFBD>ΪUART0<54><30><EFBFBD>չ<EFBFBD><D5B9>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31>
    PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); 
    // <20><><EFBFBD><EFBFBD>PA1<41><31><EFBFBD><EFBFBD>ΪUART0<54><30><EFBFBD>͹<EFBFBD><CDB9>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><30>
    PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); 
    
    // <20><>ʼ<EFBFBD><CABC>UART<52><54><EFBFBD>ýṹ<C3BD><E1B9B9>
    UART_initStruct.Baudrate = 57600;       // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>57600bps
    UART_initStruct.DataBits = UART_DATA_8BIT; // 8λ<38><CEBB><EFBFBD><EFBFBD>λ
    UART_initStruct.Parity = UART_PARITY_NONE; // <20><>У<EFBFBD><D0A3>
    UART_initStruct.StopBits = UART_STOP_1BIT; // 1λֹͣλ
    UART_initStruct.RXThreshold = 3;       // <20><><EFBFBD><EFBFBD>FIFO<46><4F>ֵ3<D6B5>ֽ<EFBFBD>
    UART_initStruct.RXThresholdIEn = 0;    // <20><><EFBFBD>ý<EFBFBD><C3BD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>ж<EFBFBD>
    UART_initStruct.TXThreshold = 3;       // <20><><EFBFBD><EFBFBD>FIFO<46><4F>ֵ3<D6B5>ֽ<EFBFBD>
    UART_initStruct.TXThresholdIEn = 0;    // <20><><EFBFBD>÷<EFBFBD><C3B7><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>ж<EFBFBD>
    UART_initStruct.TimeoutTime = 10;      // <20><><EFBFBD>ճ<EFBFBD>ʱʱ<CAB1>䣨<EFBFBD><E4A3A8>λ<EFBFBD><CEBB>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    UART_initStruct.TimeoutIEn = 0;        // <20><><EFBFBD>ó<EFBFBD>ʱ<EFBFBD>ж<EFBFBD>
    
    // Ӧ<><D3A6><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD>UART0
    UART_Init(UART0, &UART_initStruct);    // <20><>ʼ<EFBFBD><CABC>UART0<54><30><EFBFBD><EFBFBD>
    UART_Open(UART0);                      // <20><><EFBFBD><EFBFBD>UART0ͨ<30><CDA8>
}

/*********************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: fputc()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: printf()ʹ<EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʵĴ<EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>: int ch		Ҫ<EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
*			FILE *f		<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
**********************************************************************************************/
int fputc(int ch, FILE *f)
{
	UART_WriteByte(UART0, ch);
	
	while(UART_IsTXBusy(UART0));
 	
	return ch;
}