www.pudn.com > CAN_USB.rar > CAN.h
//CAN0接收中断
__interrupt void CAN0_Receive(void)
{
UINT Recv_index = 0;
UINT i = 0;
static uchar led_count = 0;
led_count++;
if(led_count < 50)
CAN0_RX_LED_ON;
else if(led_count < 100)
{
CAN0_RX_LED_OFF;
}
else
led_count = 0;
DisableInterrupts;//中断使能
for(Recv_index=0;Recv_index>1;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN0RXIDR2 ))<<7;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN0RXIDR1 & 0x07))<<15;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN0RXIDR1 & 0xE0))<<13;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN0RXIDR0 ))<<21;
}
else
{
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID = ( CAN0RXIDR1 & 0xE0)>>5;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN0RXIDR0 ))<<3;
}
//-----------------------------------------------------------
CAN0RFLG_RXF = 1;//接收完毕，写1清除中断位
EnableInterrupts;//中断使能
return;
}
//CAN0发送中断
__interrupt void CAN0_Transmit(void)
{
static uchar led_count = 0;
led_count++;
if(led_count < 50)
CAN0_TX_LED_ON;
else if(led_count < 100)
{
CAN0_TX_LED_OFF;
}
else
led_count = 0;
//发送中断禁止
CAN0TIER = 0x00;
//中断屏蔽
asm
{
sei;
}
//获得可用的发送缓冲区编号,取编号值最小的缓冲区
CAN0TBSEL = CAN0TFLG;
if( SendFrame.ExternFlag == 1 )
{
CAN0TXIDR3 = (SendFrame.ID & 0x0000007F)<<1;
CAN0TXIDR2 = (SendFrame.ID & 0x00007F80)>>7;
CAN0TXIDR1 = (SendFrame.ID & 0x00038000)>>15;
CAN0TXIDR1+= (SendFrame.ID & 0x001C0000)>>13;
CAN0TXIDR0 = (SendFrame.ID & 0x1FE00000)>>21;
CAN0TXIDR1_IDE = 1;
CAN0TXIDR1_SRR = 1;
if( SendFrame.RemoteFlag == 1 )
{
CAN0TXIDR3_RTR = 1;
}
else
{
CAN0TXIDR3_RTR = 0;
CAN0TXDSR0 = SendFrame.Data[0];
CAN0TXDSR1 = SendFrame.Data[1];
CAN0TXDSR2 = SendFrame.Data[2];
CAN0TXDSR3 = SendFrame.Data[3];
CAN0TXDSR4 = SendFrame.Data[4];
CAN0TXDSR5 = SendFrame.Data[5];
CAN0TXDSR6 = SendFrame.Data[6];
CAN0TXDSR7 = SendFrame.Data[7];
CAN0TXDLR = SendFrame.DataLen;
}
}
else
{
CAN0TXIDR1 = (SendFrame.ID & 0x0007)<<5;
CAN0TXIDR0 = (SendFrame.ID & 0x01F8)>>3;
CAN0TXIDR1_IDE = 0;
if( SendFrame.RemoteFlag == 1 )
{
CAN0TXIDR1_SRR = 1;
}
else
{
CAN0TXIDR1_SRR = 0;
CAN0TXDSR0 = SendFrame.Data[0];
CAN0TXDSR1 = SendFrame.Data[1];
CAN0TXDSR2 = SendFrame.Data[2];
CAN0TXDSR3 = SendFrame.Data[3];
CAN0TXDSR4 = SendFrame.Data[4];
CAN0TXDSR5 = SendFrame.Data[5];
CAN0TXDSR6 = SendFrame.Data[6];
CAN0TXDSR7 = SendFrame.Data[7];
CAN0TXDLR = SendFrame.DataLen;
}
}
//--------------------------------------------------------------------------
// 将发送缓冲区选择寄存器赋值给发送缓冲区标志寄存器
// 将自动将该缓冲区内的数据加入发送队列发送
//--------------------------------------------------------------------------
CAN0TFLG = CAN0TBSEL;
//清除中断屏蔽
asm
{
cli;
}
//中断返回
asm
{
rti;
}
}
//CAN1接收中断
__interrupt void CAN1_Receive(void)
{
UINT Recv_index = 0;
UINT i = 0;
static uchar led_count = 0;
led_count++;
if(led_count < 50)
CAN1_RX_LED_ON;
else if(led_count < 100)
{
CAN1_RX_LED_OFF;
}
else
led_count = 0;
DisableInterrupts;//中断使能
for(Recv_index=0;Recv_index>1;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN1RXIDR2 ))<<7;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN1RXIDR1 & 0x07))<<15;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN1RXIDR1 & 0xE0))<<13;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN1RXIDR0 ))<<21;
}
else
{
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID = ( CAN1RXIDR1 & 0xE0)>>5;
USB_Packet.USB_Packet_struct.Recv_Frame[Recv_index].ID += ((unsigned long)( CAN1RXIDR0 ))<<3;
}
//-----------------------------------------------------------
CAN1RFLG_RXF = 1;//接收完毕，写1清除中断位
EnableInterrupts;//中断使能
return;
}
//CAN1发送中断
__interrupt void CAN1_Transmit(void)
{
static uchar led_count = 0;
led_count++;
if(led_count < 50)
CAN1_TX_LED_ON;
else if(led_count < 100)
{
CAN1_TX_LED_OFF;
}
else
led_count = 0;
//发送中断禁止
CAN1TIER = 0x00;
//中断屏蔽
asm
{
sei;
}
//获得可用的发送缓冲区编号,取编号值最小的缓冲区
CAN1TBSEL = CAN1TFLG;
if( SendFrame.ExternFlag == 1 )
{
CAN1TXIDR3 = (SendFrame.ID & 0x0000007F)<<1;
CAN1TXIDR2 = (SendFrame.ID & 0x00007F80)>>7;
CAN1TXIDR1 = (SendFrame.ID & 0x00038000)>>15;
CAN1TXIDR1+= (SendFrame.ID & 0x001C0000)>>13;
CAN1TXIDR0 = (SendFrame.ID & 0x1FE00000)>>21;
CAN1TXIDR1_IDE = 1;
CAN1TXIDR1_SRR = 1;
if( SendFrame.RemoteFlag == 1 )
{
CAN1TXIDR3_RTR = 1;
}
else
{
CAN1TXIDR3_RTR = 0;
CAN1TXDSR0 = SendFrame.Data[0];
CAN1TXDSR1 = SendFrame.Data[1];
CAN1TXDSR2 = SendFrame.Data[2];
CAN1TXDSR3 = SendFrame.Data[3];
CAN1TXDSR4 = SendFrame.Data[4];
CAN1TXDSR5 = SendFrame.Data[5];
CAN1TXDSR6 = SendFrame.Data[6];
CAN1TXDSR7 = SendFrame.Data[7];
CAN1TXDLR = SendFrame.DataLen;
}
}
else
{
CAN1TXIDR1 = (SendFrame.ID & 0x0007)<<5;
CAN1TXIDR0 = (SendFrame.ID & 0x01F8)>>3;
CAN1TXIDR1_IDE = 0;
if( SendFrame.RemoteFlag == 1 )
{
CAN1TXIDR1_SRR = 1;
}
else
{
CAN1TXIDR1_SRR = 0;
CAN1TXDSR0 = SendFrame.Data[0];
CAN1TXDSR1 = SendFrame.Data[1];
CAN1TXDSR2 = SendFrame.Data[2];
CAN1TXDSR3 = SendFrame.Data[3];
CAN1TXDSR4 = SendFrame.Data[4];
CAN1TXDSR5 = SendFrame.Data[5];
CAN1TXDSR6 = SendFrame.Data[6];
CAN1TXDSR7 = SendFrame.Data[7];
CAN1TXDLR = SendFrame.DataLen;
}
}
//--------------------------------------------------------------------------
// 将发送缓冲区选择寄存器赋值给发送缓冲区标志寄存器
// 将自动将该缓冲区内的数据加入发送队列发送
//--------------------------------------------------------------------------
CAN1TFLG = CAN1TBSEL;
//清除中断屏蔽
asm
{
cli;
}
//中断返回
asm
{
rti;
}
}