driver.h

Pic Nic 16f877/18f452控制 rtl8019as 原代码

/*
 * driver.h
 *
 * Include file for picnic project
 *
 */

//Data port
#if defined(__PCM__)
   #byte DATA  = 0         // Check data sheet to get portd address
#elif defined(__PCH__)
   #byte DATA  = 0xF83     // Data Port to talk to the NIC: Port D of 18F452
#endif

//Control Pins

//PICNIC ORIGINAL HARDWARE
//#define RESET   PIN_E0     // NIC Reset when a pulse generated at this pin
//#define IOR     PIN_E1     // Enable reading data from NIC
//#define IOW     PIN_E2     // Enable writing data to the NIC


//EDTP HARDWARE
//Rafael - 12/07/05
#define RESET   PIN_E2     // NIC Reset when a pulse generated at this pin
#define IOR     PIN_E0     // Enable reading data from NIC
#define IOW     PIN_E1     // Enable writing data to the NIC



//MODIFIED FOR EDTP HARDWARE
//Structure to access 5 bits of port B
static struct PORTB_E {

   int ADDR1:5;
   int1 unUsedPinRb0;
   int1 unUsedPinRb1;
   int1 unUsedPinRb2;   
   
} PBE;

//Make access to last 5 bits of portB via ADDR var
#byte PBE = 0xF81       // Port B
#define ADDR PBE.ADDR1

//Analog port control
#byte ADCON1  = 0x9F