void TwitterSendToAll(char *message) {
if (TwitterWireSlaveEnabled) {
if (isARelay && lastInterface != WireSlaveIF || (!isARelay)) {
//Multicast
strcpy(twitterWireSlaveMessageToSend, message);
slaveHasRequest = 1;
}
}
if (TwitterWireMasterEnabled) {
if (isARelay && lastInterface != WireMasterIF || (!isARelay)) {
//Multicast to slaves
if (wireSlaveA.id)
WireSend(wireSlaveA.id, message, strlen(message)+1, NULL);
if (wireSlaveB.id)
WireSend(wireSlaveB.id, message, strlen(message)+1, NULL);
if (wireSlaveC.id)
WireSend(wireSlaveC.id, message, strlen(message)+1, NULL);
}
}
if (TwitterSerialEnabled) {
if (isARelay && lastInterface != SerialIF || (!isARelay))
SerialWrite(message);
}
}
void TwitterSendToOne(char *name, char *message) {
//Return the second we locate the person
if (TwitterWireMasterEnabled) {
if (wireSlaveA.id && !strcmp(wireSlaveA.name, name)) {
WireSend(wireSlaveA.id, message, strlen(message)+1, NULL);
return;
} else if (wireSlaveB.id && !strcmp(wireSlaveB.name, name)) {
WireSend(wireSlaveB.id, message, strlen(message)+1, NULL);
return;
} else if (wireSlaveC.id && !strcmp(wireSlaveC.name, name)) {
WireSend(wireSlaveC.id, message, strlen(message)+1, NULL);
return;
}
}
if (TwitterWireSlaveEnabled) {
strcpy(twitterWireSlaveMessageToSend, message);
slaveHasRequest = 1;
}
//We can't know what's downstream here, just send a message
if (TwitterSerialEnabled) {
SerialWrite(message);
}
}
// Set the date/time, set to 24hr and enable the clock:
// (assumes you're passing in valid numbers)
void MCP7941x::setDateTime(
byte second, // 0-59
byte minute, // 0-59
byte hour, // 1-23
byte dayOfWeek, // 1-7
byte dayOfMonth, // 1-28/29/30/31
byte month, // 1-12
byte year) // 0-99
{
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION);
WireSend(decToBcd(second) & 0x7f); // set seconds and disable clock (01111111)
WireSend(decToBcd(minute) & 0x7f); // set minutes (01111111)
WireSend(decToBcd(hour) & 0x3f); // set hours and to 24hr clock (00111111)
WireSend(0x08 | (decToBcd(dayOfWeek) & 0x07)); // set the day and enable battery backup (00000111)|(00001000)
WireSend(decToBcd(dayOfMonth) & 0x3f); // set the date in month (00111111)
WireSend(decToBcd(month) & 0x1f); // set the month (00011111)
WireSend(decToBcd(year)); // set the year (11111111)
Wire.endTransmission();
// Start Clock:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION);
WireSend(decToBcd(second) | 0x80); // set seconds and enable clock (10000000)
Wire.endTransmission();
}
// Store byte of data in SRAM:
void MCP7941x::setSramByte ( byte location, byte data )
{
if (location >= 0x20 && location <= 0x5f)
{
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(location);
WireSend(data);
Wire.endTransmission();
}
}
// Unlock the unique id area and write in the mac address:
void MCP7941x::writeMacAddress(byte *mac_address)
{
Wire.beginTransmission(MCP7941x_EEPROM_I2C_ADDR);
WireSend(0xF2);
for( int i=0; i<6; i++ )
{
WireSend(mac_address[i]);
}
Wire.endTransmission();
}
// Unlock the unique id area ready for writing:
void MCP7941x::unlockUniqueID()
{
// Write 0x55 to the memory location 0x09 and stop:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(0x09);
WireSend(0x55);
Wire.endTransmission();
// Write 0xAA to the memory location 0x09 and stop:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(0x09);
WireSend(0xAA);
Wire.endTransmission();
}
// Enable the battery:
void MCP7941x::enableBattery()
{
// Get the current seconds value as the enable/disable bit is in the same
// byte of memory as the seconds value:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION + 0x03);
Wire.endTransmission();
Wire.requestFrom(MCP7941x_RTC_I2C_ADDR, 1);
int day = bcdToDec(WireReceive() & 0x07); // 00000111
// Start Clock:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION + 0x03);
WireSend(decToBcd(day) | 0x08); // set day and enable battery (00001000)
Wire.endTransmission();
}
// Disable the clock without changing the date/time:
void MCP7941x::disableClock()
{
// Get the current seconds value as the enable/disable bit is in the same
// byte of memory as the seconds value:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION);
Wire.endTransmission();
Wire.requestFrom(MCP7941x_RTC_I2C_ADDR, 1);
int second = bcdToDec(WireReceive() & 0x7f); // 01111111
// Start Clock:
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION);
WireSend(decToBcd(second)); // set seconds and disable clock (01111111)
Wire.endTransmission();
}
// Function to read the mac address from the eeprom:
void MCP7941x::getMacAddress(byte *mac_address)
{
Wire.beginTransmission(MCP7941x_EEPROM_I2C_ADDR);
WireSend(MAC_LOCATION);
Wire.endTransmission();
Wire.requestFrom(MCP7941x_EEPROM_I2C_ADDR, 6);
for( int i=0; i<6; i++ )
{
mac_address[i] = WireReceive();
}
}
// Read byte of data from SRAM:
byte MCP7941x::getSramByte ( byte location )
{
if (location >= 0x20 && location <= 0x5f)
{
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(location);
Wire.endTransmission();
Wire.requestFrom(MCP7941x_RTC_I2C_ADDR, 1);
return WireReceive();
}
}
// Get the date/time:
void MCP7941x::getDateTime(
byte *second,
byte *minute,
byte *hour,
byte *dayOfWeek,
byte *dayOfMonth,
byte *month,
byte *year)
{
Wire.beginTransmission(MCP7941x_RTC_I2C_ADDR);
WireSend(RTC_LOCATION);
Wire.endTransmission();
Wire.requestFrom(MCP7941x_RTC_I2C_ADDR, 7);
// A few of these need masks because certain bits are control bits
*second = bcdToDec(WireReceive() & 0x7f); // 01111111
*minute = bcdToDec(WireReceive() & 0x7f); // 01111111
*hour = bcdToDec(WireReceive() & 0x3f); // 00111111
*dayOfWeek = bcdToDec(WireReceive() & 0x07); // 01111111
*dayOfMonth = bcdToDec(WireReceive() & 0x3f); // 00111111
*month = bcdToDec(WireReceive() & 0x1f); // 00011111
*year = bcdToDec(WireReceive()); // 11111111
}
