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ht1621驱动程序
消耗积分:10 |
格式:rar |
大小:555 |
2008-09-07
张杰
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LCD驱动HT1621
#include
#include
#include
#include
extern BOOL PIN_1621_CS;
extern BOOL PIN_1621_DAT;
extern BOOL PIN_1621_WR;
#define CLK_DELAY() {_nop_(); _nop_(); _nop_();}
//--------------------------------------------------------------------------
// Name: Write_1621_RAM
//--------------------------------------------------------------------------
void Write_1621_RAM(BYTE addr, BYTE idata *buf, BYTE size){
BYTE i,j;
BYTE tmp;
PIN_1621_CS = 1; // clear CS
CLK_DELAY();
PIN_1621_CS = 0; // clear CS
// CMD - 101
tmp = B0000_0101;
for (i=3; i>0; --i){
PIN_1621_DAT = tmp & 0x04; tmp <<= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
// Addr - 0x00
tmp = addr & B0011_1111;
for (i=6; i>0; --i){
PIN_1621_DAT = tmp & 0x04; tmp <<= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
// data - successive 32 bytes
for (j=size; j>0; --j){
tmp = *buf;
for (i=8; i>0; --i){
PIN_1621_DAT = tmp & 0x01; tmp >>= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
buf ++;
}
}
#include
#include
#include
#include
extern BOOL PIN_1621_CS;
extern BOOL PIN_1621_DAT;
extern BOOL PIN_1621_WR;
#define CLK_DELAY() {_nop_(); _nop_(); _nop_();}
//--------------------------------------------------------------------------
// Name: Write_1621_RAM
//--------------------------------------------------------------------------
void Write_1621_RAM(BYTE addr, BYTE idata *buf, BYTE size){
BYTE i,j;
BYTE tmp;
PIN_1621_CS = 1; // clear CS
CLK_DELAY();
PIN_1621_CS = 0; // clear CS
// CMD - 101
tmp = B0000_0101;
for (i=3; i>0; --i){
PIN_1621_DAT = tmp & 0x04; tmp <<= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
// Addr - 0x00
tmp = addr & B0011_1111;
for (i=6; i>0; --i){
PIN_1621_DAT = tmp & 0x04; tmp <<= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
// data - successive 32 bytes
for (j=size; j>0; --j){
tmp = *buf;
for (i=8; i>0; --i){
PIN_1621_DAT = tmp & 0x01; tmp >>= 1;
PIN_1621_WR = 0; CLK_DELAY();
PIN_1621_WR = 1; CLK_DELAY();
}
buf ++;
}
}
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评论(1)
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2011-08-15
0 回复 举报有没有AVR程序的啊 收起回复
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