void Uart0_Exception(void)
{
#if KS_CRITICAL_METHOD == 3 // Allocate storage for CPU status register
KS_CPU_SR cpu_sr;
#endif
char c ;
static int i;
KS_ENTER_CRITICAL();
ks_int_enter();
KS_EXIT_CRITICAL();
/*先禁止UART接收*/
rINTSUBMSK |= (1 << 0);
if(rSUBSRCPND&BIT_SUB_RXD0){
while(rUTRSTAT0&1){
c = rURXH0;
if(c !='\r'){
if(c=='\b'){
if(i > 0){
Uart_Printf("\b \b");
i--;
}
}
else {
recv_buf[i++] = c;
Uart_SendByte(c);
}
}
else{
recv_buf[i] ='\0';
i = 0;
Uart_SendByte('\n');
ks_queue_sendmsg(uart_queue,recv_buf);
}
}
}
/*clear UART0 INT flag*/
rSUBSRCPND = rSUBSRCPND | (1 << 0);
rSRCPND = rSRCPND|( 1 << 28);
/*再使能UART0接收中断*/
rINTSUBMSK &= ~(1 << 0);
rINTPND = rINTPND;
ks_int_exit();
}
void Check_Sel(void)
{
char yn;
do{
rINTMSK |=BIT_GLOBAL|BIT_EINT2;
Uart_Printf("\n\r Touch Screen coordinate Rang in:\n");
Uart_Printf(" (Xmin,Ymin) is :(%04d,%04d)\n",Xmin,Ymin);
Uart_Printf(" (Xmax,Ymax) is :(%04d,%04d)\n",Xmax,Ymax);
Uart_Printf("\n To use current settings. Press N/n key. ");
Uart_Printf("\n\n\r Want to Set Again(Y/N)? ");
yn = Uart_Getch();
rI_ISPC = BIT_EINT2; // clear pending_bit
rINTMSK =~(BIT_GLOBAL|BIT_EINT2);
if((yn == 0x59)|(yn == 0x79)|(yn == 0x4E)|(yn == 0x6E)) Uart_SendByte(yn);
if((yn == 0x59)|(yn == 0x79))
{
Uart_Printf("\n\n Touch TSP's Cornor to ensure Xmax,Ymax,Xmax,Xmin");
//Init X Y rectangle
Xmax = 750; Xmin = 200;
Ymax = 620; Ymin = 120;
oneTouch = 0;
CheckTSP = 1; // mask to check
while(CheckTSP);
}else break;
}while(1);
}
void Uart_SendString(char *pt)
{
#ifdef UART_INT
uart0TxStr = pt; // actualizar puntero al buffer
rINTMSK &= ~(BIT_GLOBAL|BIT_UTXD0); // habilitar interrupcion UTXD0
while (uart0TxStr); // esperar a que se haya recorrido el buffer
#else
while (*pt) // mandar byte a byte hasta completar string
Uart_SendByte(*pt++);
#endif
}
void Uart_GetString(char *string)
{
char *string2 = string;
char c;
while((c = Uart_Getch())!='\r')
{
if(c=='\b')
{
if( (int)string2 < (int)string )
{
Uart_Printf("\b \b");
string--;
}
}else{
*string++ = c;
Uart_SendByte(c);
}
}
*string='\0';
Uart_SendByte('\n');
}
unsigned int get_hexnum(void)
{
unsigned int t = 0;
int i=0;
char c;
while ( (c = fpga_uart0_getchar()) != 13){
Uart_SendByte(c);
t = (t << 4) + (c - 0x30);
i ++;
}
Uart_Printf("\n\r");
return t;
}
void fpga_uart_test(void)
{
unsigned char c;
// fpga_uart_init(UART0,38400);
Uart_Printf("\n\r Enter test character :");
do {
c = fpga_uart0_getchar();
Uart_SendByte(c);
} while (c != 13);
Uart_Printf("\r\n UART Test OK!! ") ;
// udelay(10000);
// *(volatile unsigned long *)FPGA_UART0_BASE_ADDR = 0x30;
// udelay(10000);
}
void ReadPage(unsigned int addr, unsigned char *buf)
{
unsigned short i;
Uart_SendByte('R');
NFChipEn();
WrNFCmd(READCMD0);
WrNFAddr(0);
WrNFAddr(0);
WrNFAddr(addr);
WrNFAddr(addr>>8);
if(NandAddr)
WrNFAddr(addr>>16);
WrNFCmd(READCMD1);
InitEcc();
WaitNFBusy();
for(i=0; i<2048; i++)
buf[i] = RdNFDat();
NFChipDs();
}
void nand_boot(void)
{
unsigned int i;
#if NADN_BOOT_DEBUG
unsigned char *ram_addr = 0x30000000;
#else
unsigned char *ram_addr = TEXT_BASE;
#endif
int iSize = 0x60000;
int iStartPage = 0;
Uart_SendByte('N');
Uart_SendByte('B');
InitNandCfg();
i = ReadChipId();
if(i == 0xecda){
NandAddr = 1;
Uart_SendByte('I');
Uart_SendByte('D');
}
for(i=0; iSize>0; ) {
if(!(i&0x3f)) {
if(CheckBadBlk(i+iStartPage)) {
i += 64;
//iSize -= 64<<11;
Uart_SendByte('C');
Uart_SendByte('B');
continue;
}
}
ReadPage((i+iStartPage), ram_addr);
i++;
iSize -= 2048;
ram_addr += 2048;
}
DsNandFlash();
}
// Función ya implementada: envía una cadena de caracteres completa (hasta que encuentra \0)
void Uart_SendString(char *pt)
{
// mandar byte a byte hasta completar string
while (*pt)
Uart_SendByte(*pt++);
}
void Uart_SendString(char *pt)
{
while(*pt)
Uart_SendByte(*pt++);
}
void Uart_printf(char *pt)
{
while(*pt)
Uart_SendByte(*pt++);
}