@ -18,27 +18,35 @@ DS1624 TEMP = DS1624();
void DS1624 : : Init ( void )
{
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_CONFIG ) ;
Wire . send ( DS1624_CONFIG _ADDR ) ;
Wire . send ( DS1624_CONFIGS ) ;
Wire . endTransmission ( ) ;
delay ( 10 ) ;
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_CONFIG ) ;
Wire . endTransmission ( ) ;
Wire . requestFrom ( DS1624_ADDR , 1 ) ;
delay ( 5 ) ;
if ( DS1624_CONFIGS = = DS1624_CONFIG_CONT ) {
startConversion ( ) ;
}
}
void DS1624 : : startConversion ( void )
{
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_SMPL_START ) ;
Wire . endTransmission ( ) ;
# ifdef DS1624_HANDLE_BOOT_DELAY
delay ( 1500 ) ;
delay ( 1 0 00) ;
# endif
}
void DS1624 : : stopConversion ( void )
{
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_SMPL_STOP ) ;
Wire . endTransmission ( ) ;
}
uint16_t DS1624 : : readTemp ( void )
{
uint16_t res = 0 ;
@ -46,6 +54,8 @@ uint16_t DS1624::readTemp(void)
Wire . send ( DS1624_READ_TEMP ) ;
Wire . endTransmission ( ) ;
delay ( 5 ) ;
Wire . requestFrom ( DS1624_ADDR , 2 ) ;
while ( ! Wire . available ( ) ) ;
@ -58,3 +68,107 @@ uint16_t DS1624::readTemp(void)
return res ;
}
# ifdef DS1624_USE_EEPROM
void DS1624 : : writeData ( uint8_t * data )
{
writeData ( data , DS1624_EEPROM_SIZE , 0 ) ;
}
void DS1624 : : writeData ( uint8_t * data , uint8_t dataLength )
{
writeData ( data , dataLength , 0 ) ;
}
void DS1624 : : writeData ( uint8_t * data , uint8_t dataLength , uint8_t memoryPosition )
{
// We can only write one page at a time!
if ( memoryPosition % DS1624_EEPROM_PAGE ! = 0 ) return ;
// Make sure we don't overlap
if ( dataLength = = 0 | | dataLength > ( DS1624_EEPROM_SIZE - memoryPosition ) ) return ;
uint8_t buffer [ DS1624_EEPROM_PAGE ] ;
uint8_t pagePosition = 0 ;
uint8_t pageSize = 0 ;
uint8_t buffLen = 0 ;
stopConversion ( ) ;
for ( uint16_t pageStart = 0 ; pageStart < dataLength ; pageStart + = DS1624_EEPROM_PAGE )
{
if ( pageStart + DS1624_EEPROM_PAGE < dataLength | | dataLength % DS1624_EEPROM_PAGE = = 0 )
pageSize = DS1624_EEPROM_PAGE ;
else
pageSize = dataLength % DS1624_EEPROM_PAGE ;
pagePosition = 0 ;
while ( pagePosition < pageSize )
{
buffer [ pagePosition ] = data [ pageStart + pagePosition ] ;
pagePosition + + ;
}
writePage ( buffer , pageSize , ( memoryPosition + pageStart ) ) ;
}
startConversion ( ) ;
return ;
}
void DS1624 : : writePage ( uint8_t * data , uint8_t dataLength , uint8_t pagePosition )
{
if ( dataLength = = 0 | | dataLength > DS1624_EEPROM_PAGE ) return ;
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_ACCESS_MEM ) ;
Wire . send ( pagePosition ) ;
Wire . send ( data , dataLength ) ;
Wire . endTransmission ( ) ;
// Wait for the DS1624 to finish writing the eeprom
delay ( 50 ) ;
}
void DS1624 : : readData ( uint8_t * data )
{
return readData ( data , DS1624_EEPROM_SIZE , 0 ) ;
}
void DS1624 : : readData ( uint8_t * data , uint8_t dataLength )
{
return readData ( data , dataLength , 0 ) ;
}
void DS1624 : : readData ( uint8_t * data , uint8_t dataLength , uint8_t memoryPosition )
{
// Make sure we don't overlap
if ( dataLength = = 0 | | dataLength > ( DS1624_EEPROM_SIZE - memoryPosition ) ) return ;
uint8_t pagePosition ;
for ( uint16_t pagePosition = 0 ; pagePosition < dataLength ; pagePosition + + )
{
// Send the access memory command along with the starting position
Wire . beginTransmission ( DS1624_ADDR ) ;
Wire . send ( DS1624_ACCESS_MEM ) ;
Wire . send ( ( int ) ( memoryPosition + pagePosition ) ) ;
Wire . endTransmission ( ) ;
// Wait for the DS1624 to set the position pointer
delay ( 5 ) ;
Wire . requestFrom ( DS1624_ADDR , 1 ) ;
while ( ! Wire . available ( ) ) ;
data [ pagePosition ] = Wire . receive ( ) ;
}
return ;
}
# endif