Texas Instruments MSC1210 manual Keil Simulator 17-35

Serial Peripheral Interface (SPI)

#include ”MSC1210.H”

//unsigned char data irqen_init _at_ 0x7f ; // image of PAI #define FWVer 0x04

#define CONVERT 0

char received_data[50];

void init_spi ();

void transmit_receive ();// interrupt 6; void test_spi ();

void test_spi ()

{

SPIDATA = 55; while (1);

}

void setport (void)

{

P3DDRL &= 0xf0;

P3DDRL = 0x07; //P30 input, P31 output

TF2 = CLEAR; T2 = CLEAR;

CKCON = 0x20; // Set timer 2 to clk/4

RCAP2 = 0xffd9; //Set Timer 2 to Generate 57690 bps

//Initialize TH2:TL2 so that next clock generates first Baud Rate pulse THL2=0xffff;

T2CON = 0x34; // Set T2 for Serial0 Tx/Rx baud generation

//SCON: Async mode 1, 8−bit UART, enable rcvr; TI=CLEAR, RI = CLEAR SCON = 0x50;

PCON = 0x80; // Set SMOD0 for 16X baud rate clock

}

void init_spi ()

{

/*enable SPI, specify Master SPI and specify clock rate, (Fosc / 32) and CPHA = 1*/

SPICON = 0x96;

/*Flush receive buffer, and set IRQ level to 2*/ SPIRCON = 0x81;

/*Flush transmit buffer, and set IRQ level to 4*/ SPITCON = 0x82;

/*buffer start address = 0x0ao, and end address = 0x0b0*/ SPISTRT = 0x0a0;

Keil Simulator 17-35