uint8_t master_HandShake(uint8_t sci_x){
state_x_Send = false;
state_x_PowerUp = false;
while (!timeout && !Sci_Ready()){}
if (!timeout){
read_SPI (hand_Shake_Send);
if (g_RXData != hand_Shake_Rec){ // handshake fail
LED(1,1,1,5,1); // Handshake fail (BLUE GREEN RED)
hand_Shake_FAIL[(m + 9)] = g_RXData;
m++;
state_x_PowerUp = true;
}
}
if (m > 20) // Try three times and move on to science board 2 if no handshake
{
state_x_Send = true;
for (o = 9; o < 29; o++){
write_Buffer(hand_Shake_FAIL[o]);
}
}
if (timeout){return 1;}
else return 0;
}
uint8_t SCI_Read(void){
while(Sci_Ready() && !timeout){ // Waits for GPIO to go high
read_SPI (0xAA);
write_Buffer(g_RXData);
i++;
}
g_RXData = 0; // Clear variable for next science board.
i = 0;
if (timeout){return 1;}
else return 0;
}
int getData(char port)
{
unsigned char d[2];
char t = 0;
*d = 0x0000;
PEOUT ^= 0x80;
send_SPI(port); // Channel 3 - vRef
t=100; while(--t); // Delay >5us
read_SPI(&d);
PEOUT = 0xFF;
return (int)*d;
}
void test_SPI()
{
char t = 0;
unsigned char d[2];
d[0] = 0x00;
d[1] = 0x00;
PEOUT ^= 0x80;
send_SPI(0x1A); // Channel 3 - vRef
waitForFullBuf();
//t=0xFF; while(--t); // Delay >5us
read_SPI(&d);
writeData(d[0], d[1], d[0]);
PEOUT = 0xFF;
}