/************************************************
* NAME : 44BLIB.C *
************************************************/
#include "44b.h"
#include "44blib.h"
#include "def.h"
#include "option.h"
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#define STACKSIZE 0xa00 //SVC satck size(do not use user stack)
#define HEAPEND (_ISR_STARTADDRESS-STACKSIZE-0x500) // = 0xc7ff000
//SVC Stack Area:0xc(e)7ff000-0xc(e)7ffaff
extern char Image$$RW$$Limit[];
void *mallocPt=Image$$RW$$Limit;
/************************* SYSTEM *************************/
void Delay(int time)
{
int i;
int delayLoopCount=400;
for(;time>0;time--)
for(i=0;i<delayLoopCount;i++);
}
/************************* PORTS ****************************/
void Port_Init(void)
{ U8 j;
//ADB V1.0 B/D Status
//USB D12SUSPD
// PC0
//LED D0 D1 D2
// PC1 PC2 PC3
//KEY K0 K1 K2 K3
// PG4 PG5 PG6 PG7
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value
// 2) setting control register
// 3) configure pull-up resistor.
//16bit data bus configuration
//PORT A GROUP
//rPCONA[9:0]
//|BIT9 |.......................................................|BIT0
//|ADDR24|ADDR23|ADDR22|ADDR21|ADDR20|ADDR19|ADDR18|ADDR17|ADDR16|ADDR0
//| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1
rPCONA=0x1ff;
//PORT B GROUP
//rPCONB[10:0]
//|BIT10|....................................................|BIT0
//|nGCS5|nGCS4|nGCS3|nGCS2|nGCS1|nWBE3|nWBE2|nSRAS|nSCAS|SCLK|SCKE
//| 1| 1| 1| 1| 1| 0| 0| 1| 1| 1| 1
rPCONB=0x7cf;
//PORT C GROUP
//BUSWIDTH=16
//PORT C GROUP
//rPCONC[31:0]
//|GPC15|....................................................................| GPC0
//|BIT31|....................................................................| BIT0
//|nCTS0|nRTS0|RXD1|TXD1|nCTS1|nRTS1|nEL|nDISP| I/O |LED2|LED1|LED0|D12SUSPD
//| 00| 00| 11| 11| 00| 00| 01| 01| 00| 01| 01| 00| 01| 01| 01| 01
//rPUPC[15:0]
//| 0| 0| 1| 1| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0
rPDATC=0x0; //All I/O Is High
rPCONC=0x0f05ff55;
rPUPC=0x30f0; //PULL UP RESISTOR should be enabled to I/O
//PORT D GROUP
//rPCOND
//| BIT15|.........................|BIT0
//|VFRAME|VM|VLINE|VCLK|VD3|VD2|VD1|VD0
//| 10|00| 10| 10| 10| 10| 10| 10
rPDATD=0xff;
rPCOND= 0xaaaa;
rPUPD = 0xbf;
//These pins must be set only after CPU's internal LCD controller is enable
//rPCOND=0xaaaa;
//rPUPD=0xff;
//PORT E GROUP
//rPCONE
//| BIT17 |..............................|BIT0
//|CODECLK|PE7|PE6|BEEP|PE4|PE3|RXD0|TXD0| PE0
//| 10| 00| 01| 01| 01| 01| 10| 10| 01
//|rPUPE[7:0]
// | 0| 0| 0| 0| 0| 1| 1| 0
rPCONE=0x21569;//0x6552a;//0x2B;
rPUPE=0xff; //0xff;
rPDATG=0xFF;
//PORT F GROUP
//rPCONF[21:0]
//| BIT21|....................................| BIT0
//|IISCLK|PF7|IISDO|IISLRCK|PF4|PF3|PF2|IICSDA|IICSCL
//| 100|000| 100| 100| 00| 00| 00| 10| 10
//rPUPF[8:0]
//| 1| 0| 1| 1| 0| 0| 0| 1| 1
rPCONF=0x9256A;//0x2A;
rPUPF=0xff;;
//PORT G GROUP
//rPCONG[15:0]
//|BIT15|....................................| BIT0
//| KEY3|KEY2|KEY1|KEY0|EXINT3|EXINT2|NET_INT|USB_INT
//| 11| 00| 00| 00 11| 00| 11| 11
rPCONG=0x10ff;
for(j=0;j<25;j++);
rPDATG=0x00;
for(j=0;j<25;j++);
rPCONG=0xc0ff;
rPUPG=0xf;
rSPUCR=0x7; //pull-up disable
rEXTINT=0x0;
}
/************************* UART ****************************/
static int whichUart=0;
void Uart_Init(int mclk,int baud)
{
int i;
if(mclk==0)
mclk=MCLK;
rUFCON0=0x0; //FIFO disable
rUFCON1=0x0;
rUMCON0=0x0;
rUMCON1=0x0;
//UART0
rULCON0=0x3; //Normal,No parity,1 stop,8 bit
rUCON0=0x245; //rx=edge,tx=level,disable timeout int.,enable rx error int.,normal,interrupt or polling
rUBRDIV0=( (int)(mclk/16./baud + 0.5) -1 );
//UART1
rULCON1=0x3;
rUCON1=0x245;
rUBRDIV1=( (int)(mclk/16./baud + 0.5) -1 );
for(i=0;i<100;i++);
}
void Uart_Select(int ch)
{
whichUart=ch;
}
void Uart_TxEmpty(int ch)
{
if(ch==0)
while(!(rUTRSTAT0 & 0x4)); //wait until tx shifter is empty.
else
while(!(rUTRSTAT1 & 0x4)); //wait until tx shifter is empty.
}
char Uart_Getch(void)
{
if(whichUart==0)
{
while(!(rUTRSTAT0 & 0x1)); //Receive data read
return RdURXH0();
}
else
{
while(!(rUTRSTAT1 & 0x1)); //Receive data ready
return rURXH1;
}
}
char Uart_GetKey(void)
{
if(whichUart==0)
{
if(rUTRSTAT0 & 0x1) //Receive data ready
return RdURXH0();
else
return 0;
}
else
{
if(rUTRSTAT1 & 0x1) //Receive data ready
return rURXH1;
else
return 0;
}
}
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 lastIndex;
int result=0;
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( 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;
}
void Uart_SendByte(int data)
{
if(whichUart==0)
{
if(data=='\n')
{
while(!(rUTRSTAT0 & 0x2));
Delay(10); //because the slow response of hyper_terminal
WrUTXH0('\r');
}
while(!(rUTRSTAT0 & 0x2)); //Wait until THR is empty.
Delay(10);
WrUTXH0(data);
}
else
{
if(data=='\n')
{
while(!(rUTRSTAT1 & 0x2));
Delay(10); //because the slow response of hyper_terminal
rUTXH1='\r';
}
while(!(rUTRSTAT1 & 0x2)); //Wait until THR is empty.
Delay(10);
rUTXH1=data;
}
}
void Uart_SendString(char *pt)
{
while(*pt)
Uart_SendByte(*pt++);
}
//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);
}
/************************* GetKey *******************************/
U8 GetKey(void)
{
U8 whichkey=0xf;
whichkey=rPDATG>>4&0xf;
Delay(1000);
if(whichkey!=rPDATG>>4&0xf)
whichkey=0xff;
Uart_Printf("\nwhichkey=%X \n",whichkey);
switch(whichkey)
{
case 0xe:
return 1;
case 0xd:
return 2;
case 0xb:
return 4;
default :
return 0xff;
}
}
/
