uint8_t doSlave(uint8_t* message) {
uint8_t i;
uint8_t cmd = message[0];
uint8_t datalen = 0;
uint8_t retval = 0;
debugPrint("command=%x\r\n", cmd);
if (cmd == 0x10) {
} else if (cmd == 0x11) {
message[2] = OWFirst() ? 1 : 0;
datalen = 1;
} else if (cmd == 0x12) {
message[2] = OWNext() ? 1 : 0;
datalen = 1;
} else if (cmd == 0x13) {
datalen = 8;
for (i = 0; i < 8; i++) {
message[i + 2] = getROM_NO(i);
}
} else if (cmd == 0x16) {
OWTargetSetup(0x00);
} else if (cmd == 0x19) {
message[2] = OWReadByte();
datalen = 1;
} else if (cmd == 0x1B) {
uint8_t len;
uint8_t* _buf;
len = message[1];
_buf = message + 2;
retval = OWBlock(_buf, len) ? 0x00 : 0xFF;
memcpy(message + 2, _buf, len);
datalen = len;
} else if (cmd == 0x1C) {
message[2] = OWReset();
datalen = 1;
} else if (cmd == 0x1D) {
// OWWriteByte(message[1]);
uint8_t len;
uint8_t* _buf;
len = message[1];
_buf = message + 2;
retval = OWBlock(_buf, len) ? 0x00 : 0xFF;
memcpy(message + 2, _buf, len);
datalen = len;
} else if (cmd == 0x1E) {
// OWLevel(MODE_NORMAL);
} else if (cmd == 0x1F) {
OWTargetSetup(message[1]);
} else if (cmd == 0x20) {
OWFamilySkipSetup();
} else if (cmd == 0x21) {
uint8_t address[8];
memcpy(address, message + 2, 8);
message[2] = OWSearchROM(address);
datalen = 1;
} else if (cmd == 0x22) {
uint8_t address[8];
memcpy(address, message + 2, 8);
message[2] = OWMatchROM(address);
datalen = 1;
} else {
retval = 0xFF;
}
message[0] = retval;
if (retval == 0xFF) {
datalen = 0;
}
message[1] = datalen;
return datalen;
}
//--------------------------------------------------------------------------
// TEST BUILD MAIN
//
int main(void)
{
int rslt,i,cnt;
double temp;
char buf[12];
// find ALL devices
printf("\nFIND ALL\n");
cnt = 0;
rslt = OWFirst();
while (rslt) {
// print device found
for (i = 7; i >= 0; i--)
printf("%02X", ROM_NO[i]);
printf(" %d\n",++cnt);
rslt = OWNext();
}
// find only 0x10
printf("\nFIND ONLY 0x10\n");
cnt = 0;
OWTargetSetup(0x10);
while (OWNext()) {
// check for incorrect type
if (ROM_NO[0] != 0x10)
break;
// print device found
for (i = 7; i >= 0; i--)
printf("%02X", ROM_NO[i]);
printf(" %d\n",++cnt);
}
if (cnt == 1) {
DS1820_startConversion();
uint8_t spdata[10];
sleep10(7);
DS1820_readScratchPad(spdata);
temp = DS1820_getTemperature(spdata);
temp = temp*9.0/5.0 +32.0;
printf("TEMP(F) = %s\n\n",dtostrf(temp,7,2,(char *)buf));
}
// find all but 0x04, 0x1A, 0x23, and 0x01
printf("\nFIND ALL EXCEPT 0x10, 0x04, 0x0A, 0x1A, 0x23, 0x01\n");
cnt = 0;
rslt = OWFirst();
while (rslt) {
// check for incorrect type
if ((ROM_NO[0] == 0x04) || (ROM_NO[0] == 0x1A) ||
(ROM_NO[0] == 0x01) || (ROM_NO[0] == 0x23) ||
(ROM_NO[0] == 0x0A) || (ROM_NO[0] == 0x10))
OWFamilySkipSetup();
else {
// print device found
for (i = 7; i >= 0; i--)
printf("%02X", ROM_NO[i]);
printf(" %d\n",++cnt);
}
rslt = OWNext();
}
////////////////////////////////////////////////////////////////////////////////////////////////
// find ALL DS2438
double voltage = 0.0;
int myDS2438 = 0;
uint8_t DS2438deviceNumber[8];
double bigT = -1.;
int micro10voltage = 0;
printf("\nFind all DS2438; Read Temperature and Voltage\n");
for (rslt=OWFirstType(0x26); rslt; rslt=OWNextType(0x26)) {
// print device found
for (i = 7; i >= 0; i--)
printf("%02X", ROM_NO[i]);
printf("\n");
// Save the first ROM
if (myDS2438 == 0) {
myDS2438++;
for (i = 0; i < 8; i++) {
DS2438deviceNumber[i] = ROM_NO[i];
}
}
if (myDS2438 > 0) {
// (default) Read Vdd
SetupAtoD(0x0F, DS2438deviceNumber);
bigT = Get_Temperature(DS2438deviceNumber);
printf("TEMP = %s\n\n",dtostrf(bigT,7,3,(char *)buf));
voltage = ReadAtoD(DS2438deviceNumber);
printf("VDD = %s\n",dtostrf(voltage,6,2,(char *)buf));
}
if (myDS2438 > 0) {
// (default) Read Vad
SetupAtoD(0x07, DS2438deviceNumber);
voltage = ReadAtoD(DS2438deviceNumber);
micro10voltage = getDS2438Voltage(DS2438deviceNumber);
printf("VAD = %s\n",dtostrf(voltage,6,2,(char *)buf));
printf("Micro V = %d\n", micro10voltage);
}
}
sleep(1);
return 0 ;
}
