?? 2440lib.c
字號:
Uart_SendByte(*pt++);
}
#if 1//0// by xh
//====================================================================
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');
}
//=====================================================================
int Uart_GetIntNum(void)
{
char str[30];
char *string = str;
int base = 10;
int minus = 0;
int result = 0;
int lastIndex;
int i;
Uart_GetString(string);
if(string[0]=='-')
{
minus = 1;
string++;
}
if(string[0]=='0' && (string[1]=='x' || string[1]=='X'))
{
base = 16;
string += 2;
}
lastIndex = strlen(string) - 1;
if(lastIndex<0)
return -1;
if(string[lastIndex]=='h' || string[lastIndex]=='H' )
{
base = 16;
string[lastIndex] = 0;
lastIndex--;
}
if(base==10)
{
result = atoi(string);
result = minus ? (-1*result):result;
}
else
{
for(i=0;i<=lastIndex;i++)
{
if(isalpha(string[i]))
{
if(isupper(string[i]))
result = (result<<4) + string[i] - 'A' + 10;
else
result = (result<<4) + string[i] - 'a' + 10;
}
else
result = (result<<4) + string[i] - '0';
}
result = minus ? (-1*result):result;
}
return result;
}
//=====================================================================
//If you don't use vsprintf(), the code size is reduced very much.
void Uart_Printf(char *fmt,...)
{
va_list ap;
char string[256];
va_start(ap,fmt);
vsprintf(string,fmt,ap);
Uart_SendString(string);
va_end(ap);
}
#endif
//**************************[ BOARD LED ]*********************************
void Led_Display(int data)
{
//Active is low.(LED On)
// GPF7 GPF6 GPF5 GPF4
//nLED_8 nLED4 nLED_2 nLED_1
// rGPFDAT = (rGPFDAT & 0xf) | !((data & 0xf)<<4);
rGPFDAT = (rGPFDAT & ~(0xf<<4)) | ((~data & 0xf)<<4);
}
//*************************[ Timer ]********************************
void Timer_Start(int divider) //0:16us,1:32us 2:64us 3:128us
{
rWTCON = ((PreScaler )<<8)|(divider<<3); //Watch-dog timer control register
rWTDAT = 0xffff; //Watch-dog timer data register
rWTCNT = 0xffff; //Watch-dog count register
// Watch-dog timer enable & interrupt disable
rWTCON = (rWTCON & ~(1<<5) & ~(1<<2)) |(1<<5);
}
//=================================================================
int Timer_Stop(void)
{
rWTCON = ((PreScaler )<<8);
return (0xffff - rWTCNT);
}
//*************************[ MPLL ]*******************************
void ChangeMPllValue(int mdiv,int pdiv,int sdiv)
{
rMPLLCON = (mdiv<<12) | (pdiv<<4) | sdiv;
}
//************************[ HCLK, PCLK ]***************************
/*
// for 2410.
void ChangeClockDivider(int hdivn,int pdivn)
{
// hdivn,pdivn FCLK:HCLK:PCLK
// 0,0 1:1:1
// 0,1 1:1:2
// 1,0 1:2:2
// 1,1 1:2:4
rCLKDIVN = (hdivn<<1) | pdivn;
if(hdivn)
MMU_SetAsyncBusMode();
else
MMU_SetFastBusMode();
}
*/
// Modified for 2440.
void ChangeClockDivider(int hdivn_val,int pdivn_val)
{
int hdivn=2, pdivn=0;
// hdivn_val (FCLK:HCLK)ratio hdivn
// 11 1:1 (0)
// 12 1:2 (1)
// 13 1:3 (3)
// 14 1:4 (2)
// pdivn_val (HCLK:PCLK)ratio pdivn
// 11 1:1 (0)
// 12 1:2 (1)
switch(hdivn_val) {
case 11: hdivn=0; break;
case 12: hdivn=1; break;
case 13: hdivn=3; break;
case 14: hdivn=2; break;
}
switch(pdivn_val) {
case 11: pdivn=0; break;
case 12: pdivn=1; break;
}
//Uart_Printf("Clock division change [hdiv:%x, pdiv:%x]\n", hdivn, pdivn);
rCLKDIVN = (hdivn<<1) | pdivn;
if(hdivn!=0)
MMU_SetAsyncBusMode();
/* else
MMU_SetFastBusMode();
*/
}
//**************************[ UPLL ]*******************************
void ChangeUPllValue(int mdiv,int pdiv,int sdiv)
{
rUPLLCON = (mdiv<<12) | (pdiv<<4) | sdiv;
}
void Max1718_Set(int voltage)
{
int vtg;
//////////////////////////////////////////////
// D4 D3 D2 D1 D0
// 0 1 0 0 0 // 1.35V
// 0 1 0 0 1 // 1.30V
// 0 1 0 1 0 // 1.25V
// 0 1 0 1 1 // 1.20V
// 0 1 1 0 0 // 1.15V
// 0 1 1 0 1 // 1.10V
// 0 1 1 1 0 // 1.05V
// 0 1 1 1 1 // 1.00V
// 1 0 0 0 1 // 0.95V
// 1 0 0 1 1 // 0.90V
// 1 0 1 0 1 // 0.85V
// 1 0 1 1 1 // 0.80V
vtg=voltage;
switch (vtg)
{
/*
case 135:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(0<<6)|(0<<5)|(0<<4); //D3~0
break;
case 125:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(0<<6)|(1<<5)|(0<<4); //D3~0
break;*/
case 130:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(0<<6)|(0<<5)|(1<<4); //D3~0
break;
case 120:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(0<<6)|(1<<5)|(1<<4); //D3~0
break;
/*
case 115:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(1<<6)|(0<<5)|(0<<4); //D3~0
break;
*/
case 110:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(1<<6)|(0<<5)|(1<<4); //D3~0
break;
/*
case 105:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(1<<6)|(1<<5)|(0<<4); //D3~0
break;
case 100:
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(1<<6)|(1<<5)|(1<<4); //D3~0
break;
*/
/*
case 95:
rGPBDAT=(rGPBDAT&0x77f)|(1<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(0<<7)|(0<<6)|(0<<5)|(1<<4); //D3~0
break;
case 90:
rGPBDAT=(rGPBDAT&0x77f)|(1<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(0<<7)|(0<<6)|(1<<5)|(1<<4); //D3~0
break;
case 85:
rGPBDAT=(rGPBDAT&0x77f)|(1<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(0<<7)|(1<<6)|(0<<5)|(1<<4); //D3~0
break;
case 80:
rGPBDAT=(rGPBDAT&0x77f)|(1<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(0<<7)|(1<<6)|(1<<5)|(1<<4); //D3~0
break;
*/
default: // 1.2V
rGPBDAT=(rGPBDAT&0x77f)|(0<<7); //D4
rGPFDAT=(rGPFDAT&0x0f)|(1<<7)|(0<<6)|(1<<5)|(1<<4); //D3~0
break;
}
rGPBCON=(rGPBCON&0x3f3fff)|(1<<14); // GPB7: Output
rGPFCON=(rGPFCON&0x00ff)|(0x5500); // GPF4~7: Output
rGPBDAT&=~(1<<8); //Latch enable
rGPBCON=(rGPBCON&0x3cffff)|(1<<16); // GPB8: Output
rGPBDAT|=(1<<10); //Output enable
rGPBCON=(rGPBCON&0x0fffff)|(1<<20); // GPB10: Output
rGPBDAT|=(1<<8); //Latch disable
}
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