void Pit::SetIsr(const OnPitTriggerListener &isr)
{
m_isr = isr;
if (m_isr)
{
::SetIsr(EnumAdvance(PIT0_IRQn, m_channel), IrqHandler);
SET_BIT(PIT->CHANNEL[m_channel].TCTRL, PIT_TCTRL_TIE_SHIFT);
EnableIrq(EnumAdvance(PIT0_IRQn, m_channel));
}
else
{
DisableIrq(EnumAdvance(PIT0_IRQn, m_channel));
::SetIsr(EnumAdvance(PIT0_IRQn, m_channel), nullptr);
CLEAR_BIT(PIT->CHANNEL[m_channel].TCTRL, PIT_TCTRL_TIE_SHIFT);
}
}
void KeyScan_Test(void)
{
Uart_Printf("\nKey Scan Test, press ESC key to exit !\n");
rGPBUP = rGPBUP & ~0x03f0|0x03f0; // LED [8:5] => PU En
rGPBCON = rGPBCON & ~0x3d57fc|0x3d57fc; //LED[8:5] => OUTPUT;
rGPFCON = rGPFCON & (~((3<<4)|(3<<0)|(3<<8)|(3<<2))) | ((2<<4)|(2<<0)|(2<<8)|(2<<2)) ; //GPF4,2,1,0 set EINT
rEXTINT0 &= ~(7|(7<<4)|(7<<8)|(7<<16));
rEXTINT0 |= (0|(0<<4)|(0<<8)|(0<<16)); //set eint0,1,2,4 falling edge int
rEINTPEND |= (1<<4); //clear eint 4
rEINTMASK &= ~(1<<4); //enable eint 4
ClearPending(BIT_EINT0|BIT_EINT1|BIT_EINT2|BIT_EINT4_7);
pISR_EINT0 = pISR_EINT1 = pISR_EINT2 = pISR_EINT4_7 = (U32)Key_ISR;
EnableIrq(BIT_EINT0|BIT_EINT1|BIT_EINT2|BIT_EINT4_7);
while( Uart_GetKey() != ESC_KEY ) ;
DisableIrq(BIT_EINT0|BIT_EINT1|BIT_EINT2|BIT_EINT4_7);
}
/********************************************************************
// 语法格式：void DMA_M2M(int ch,int srcAddr,int dstAddr,int tc,int dsz,int burst)
// 功能描述: DMA方式内存拷贝
// 入口参数:
// : int ch:DMA通道 0-DMA0, 1-DMA1, 2-DMA2, 3-DMA3
// : int srcAddr:源地址
// : int dstAddr:目的地址
// : int tc:初始传输计数值
// : int dsz:传输数据宽度 0:1字节 1:2字节 2:4字节
// : int burst:自动传输的传输宽度 0-单元传输（一个字节） 1-突发模式传输（四个字节）
// 出口参数: 无
*********************************************************************/
void DMA_M2M(int ch,int srcAddr,int dstAddr,int tc,int dsz,int burst)
{
int i,time;
volatile U32 memSum0=0,memSum1=0;
DMA *pDMA;
int length;
length=tc*(burst ? 4:1)*((dsz==0)+(dsz==1)*2+(dsz==2)*4); //确定一次传输的字节数( 传输单元模式 * 传输数据宽度 )
Uart_Printf("[DMA%d MEM2MEM Test]\n",ch);
switch(ch)
{
case 0:
pISR_DMA0 = (unsigned)Dma0Done;
EnableIrq(BIT_DMA0); //open DMA0 INTERRUPT
pDMA=(void *)0x4b000000;
break;
case 1:
pISR_DMA1 = (unsigned)Dma1Done;
EnableIrq(BIT_DMA1); //open DMA1 INTERRUPT
pDMA=(void *)0x4b000040;
break;
case 2:
pISR_DMA2 = (unsigned)Dma2Done;
EnableIrq(BIT_DMA2); //open DMA2 INTERRUPT
pDMA=(void *)0x4b000080;
break;
case 3:
pISR_DMA3 = (unsigned)Dma3Done;
EnableIrq(BIT_DMA3); //open DMA3 INTERRUPT
pDMA=(void *)0x4b0000c0;
break;
}
Uart_Printf("DMA%d %8xh->%8xh,size=%xh(tc=%xh),dsz=%d,burst=%d\n",ch,
srcAddr,dstAddr,length,tc,dsz,burst);
Uart_Printf("Initialize the src.\n");
for(i=srcAddr;i<(srcAddr+length);i+=4)
{
*((U32 *)i)=i^0x55aa5aa5; //向源地址写入任意数据 写入长度为length
memSum0+=i^0x55aa5aa5; //将写入数据累加，为校验读出数据的准确性
}
Uart_Printf("DMA%d start\n",ch);
dmaDone=0;
pDMA->DISRC=srcAddr; //设置源地址
pDMA->DISRCC=(0<<1)|(0<<0); //设置源控制寄存器 inc,AHB
pDMA->DIDST=dstAddr; //设置目的地址
pDMA->DIDSTC=(0<<1)|(0<<0); //设置目的控制寄存器 inc,AHB
pDMA->DCON=(1<<31)|(1<<30)|(1<<29)|(burst<<28)|(1<<27)|
(0<<23)|(1<<22)|(dsz<<20)|(tc);
//DMA控制寄存器 HS,AHB sync,enable interrupt,whole, SW request mode,relaod off
pDMA->DMASKTRIG=(1<<1)|1; //DMA on, SW_TRIG
Timer_Start(3);//128us resolution
while(dmaDone==0);
time=Timer_Stop();
Uart_Printf("DMA transfer done.\n");
Uart_Printf("time = %u MS\n", time*128/1000);
DisableIrq(BIT_DMA0);
DisableIrq(BIT_DMA1);
DisableIrq(BIT_DMA2);
DisableIrq(BIT_DMA3);
for(i=dstAddr;i<dstAddr+length;i+=4)
{
memSum1+=*((U32 *)i)=i^0x55aa5aa5;
}
Uart_Printf("\n memSum0=%x,memSum1=%x\n",memSum0,memSum1);
if(memSum0==memSum1)
Uart_Printf("DMA test result--------------------------------------O.K.\n");
else
Uart_Printf("DMA test result--------------------------------------ERROR!!!\n");
}
void comdownload(void)
{
ULONG size;
UCHAR *buf;
USHORT checksum;
puts("\nNow download file from uart0...\n");
downloadAddress = _NONCACHE_STARTADDRESS;
buf = (UCHAR *)downloadAddress;
temp = buf-4;
Uart_GetKey();
#ifdef USE_UART_INT
pISR_UART0 = (ULONG)Uart0RxInt; //串口接收数据中断
ClearSubPending(BIT_SUB_RXD0);
ClearPending(BIT_UART0);
EnableSubIrq(BIT_SUB_RXD0);
EnableIrq(BIT_UART0);
#endif
while((ULONG)temp<(ULONG)buf)
{
#ifdef USE_UART_INT
Led_Display(0);
Delay(1000);
Led_Display(15);
Delay(1000);
#else
*temp++ = Uart_Getch();
#endif
} //接收文件长度,4 bytes
size = *(ULONG *)(buf-4);
downloadFileSize = size-6;
#ifdef USE_UART_INT
printf("Download File Size = %d\n", size);
#endif
while(((ULONG)temp-(ULONG)buf)<(size-4))
{
#ifdef USE_UART_INT
Led_Display(0);
Delay(1000);
Led_Display(15);
Delay(1000);
#else
*temp++ = Uart_Getch();
#endif
}
#ifdef USE_UART_INT
DisableSubIrq(BIT_SUB_RXD0);
DisableIrq(BIT_UART0);
#endif
#ifndef USE_UART_INT
printf("Download File Size = %d\n", size);
#endif
checksum = 0;
for(size=0; size<downloadFileSize; size++)
checksum += buf[size];
if(checksum!=(buf[size]|(buf[size+1]<<8))) {
puts("Checksum fail!\n");
return;
}
puts("Are you sure to run? [y/n]\n");
while(1)
{
UCHAR key = getch();
if(key=='n')
return;
if(key=='y')
break;
}
call_linux(0, 193, downloadAddress);
}
static void end_iic_op(void)
{
rCLKCON &= ~(1<<16);
DisableIrq(BIT_IIC);
}
