Требуется программист в Зеленограде
- обработка данных с датчиков; ColdFire; 40 тыс. e-mail:jobsmp@pochta.ru |
typedef unsigned int word;
typedef unsigned char byte;/*
Sygnal LPT @LPT1 н о г и
"fbprg" mega103/603
/RESET D4(pin6) 0x378:4 20
SCK D6(pin8) 0x378:6 11
MOSI D5(pin7) 0x378:5 2 (PDI)
MISO ACK(pin10) 0x379:6 3 (PDO)
XTAL1 D3(pin5) 0x378:3 24
*/
#define PORT_RESET 0x0378
#define PORT_SCK 0x0378
#define PORT_MOSI 0x0378
#define PORT_MISO 0x0379#define PIN_RESET 4
#define PIN_SCK 6
#define PIN_MOSI 5
#define PIN_MISO 6#define SETBIT(ADDRESS,BIT) (ADDRESS |= (1<<(BIT)))
#define CLRBIT(ADDRESS,BIT) (ADDRESS &= ~(1<<(BIT)))
#define TSTBIT(ADDRESS,BIT) (ADDRESS & (1<<(BIT)))#define SET_PIN(PORT,PIN); \
{\
byte data=GET_PORT_DATA(PORT);\
SETBIT(data,PIN);\
SET_PORT_DATA(PORT,data);\
}#define CLR_PIN(PORT,PIN); \
{\
byte data=GET_PORT_DATA(PORT);\
CLRBIT(data,PIN);\
SET_PORT_DATA(PORT,data);\
}void SendReceivByte_SPI(byte *data)
{
byte out=*data;
byte in=0;
byte inTMP;
byte it;
for(it=0;it<8;it++){
/* SET DATA MOSI.................... */
if(TSTBIT(out,7)){
SET_PIN(PORT_MOSI,PIN_MOSI);
} else {
CLR_PIN(PORT_MOSI,PIN_MOSI);
}
/* SET STROB SCK.................... */
SET_PIN(PORT_SCK,PIN_SCK);
/* GET DATA MISO.................... */
inTMP=GET_PORT_DATA(PORT_MISO);
if(TSTBIT(inTMP,PIN_MISO)){
SETBIT(in,0);
}
/* ................................. */
CLR_PIN(PORT_SCK,PIN_SCK);
/* ................................. */
out<<=1;
if(it!=7)in<<=1;
}
*data=in;
}