1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.
Dependents: MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more
Superseded by MaximInterface.
Diff: Switches/DS2413/DS2413.cpp
- Revision:
- 74:23be10c32fa3
- Parent:
- 73:2cecc1372acc
- Child:
- 75:8b627804927c
diff -r 2cecc1372acc -r 23be10c32fa3 Switches/DS2413/DS2413.cpp --- a/Switches/DS2413/DS2413.cpp Thu May 12 14:38:16 2016 -0500 +++ b/Switches/DS2413/DS2413.cpp Fri May 13 07:48:35 2016 -0500 @@ -36,168 +36,153 @@ using OneWire::Switches::DS2413; using OneWire::Masters::OneWireMaster; -//********************************************************************* -DS2413::DS2413(OneWireMaster &owm): _owm(owm) +DS2413::DS2413(OneWireMaster &owm) : _owm(owm) { } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_read_chA(uint8_t & val) { - DS2413::CmdResult result = OpFailure; - - result = pio_access_read(val); - - val = (val & 0x01); - - return result; + DS2413::CmdResult result = OpFailure; + + result = pio_access_read(val); + + val = (val & 0x01); + + return result; } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_read_chB(uint8_t & val) { - DS2413::CmdResult result = OpFailure; - - result = pio_access_read(val); - - val = ((val >> 2) & 0x01); - - return result; + DS2413::CmdResult result = OpFailure; + + result = pio_access_read(val); + + val = ((val >> 2) & 0x01); + + return result; } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_write_chA(uint8_t val) { - DS2413::CmdResult result = OpFailure; - - uint8_t local_val = 0; - - //read current state of PIO - result = pio_access_read(local_val); - - if(result == DS2413::Success) - { - //modify - //current state of pioB OR - //desired state of pioA OR - //bits[7:2] should all be 1, per datasheet - val = (0xFC | (((local_val >> 1) & 0x02) | (0x01 & val))); - - //write, bit[1:0] new state of pio - result = pio_access_write(val); - } - - return result; + DS2413::CmdResult result = OpFailure; + + uint8_t local_val = 0; + + //read current state of PIO + result = pio_access_read(local_val); + + if (result == DS2413::Success) + { + //modify + //current state of pioB OR + //desired state of pioA OR + //bits[7:2] should all be 1, per datasheet + val = (0xFC | (((local_val >> 1) & 0x02) | (0x01 & val))); + + //write, bit[1:0] new state of pio + result = pio_access_write(val); + } + + return result; } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_write_chB(uint8_t val) { - DS2413::CmdResult result = OpFailure; - - uint8_t local_val = 0; - - //read current state of PIO - result = pio_access_read(local_val); - - if(result == DS2413::Success) - { - //modify - //current state of pioA OR - //desired state of pioB OR - //bits[7:2] should all be 1, per datasheet - val = (0xFC | ((local_val & 0x01) | (0x02 & (val << 1)))); - - //write, bit[1:0] new state of pio - result = pio_access_write(val); - } - - return result; + DS2413::CmdResult result = OpFailure; + + uint8_t local_val = 0; + + //read current state of PIO + result = pio_access_read(local_val); + + if (result == DS2413::Success) + { + //modify + //current state of pioA OR + //desired state of pioB OR + //bits[7:2] should all be 1, per datasheet + val = (0xFC | ((local_val & 0x01) | (0x02 & (val << 1)))); + + //write, bit[1:0] new state of pio + result = pio_access_write(val); + } + + return result; } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_write_chAB(uint8_t val) { return pio_access_write((0x03 & val) | 0xFC); } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_read(uint8_t & val) { - DS2413::CmdResult result = DS2413::OpFailure; - - OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId); - - if(ow_result == OneWireMaster::Success) - { - ow_result = _owm.OWWriteByte(DS2413::PIO_ACCESS_READ); - - if(ow_result == OneWireMaster::Success) + DS2413::CmdResult result = DS2413::OpFailure; + + OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId); + + if (ow_result == OneWireMaster::Success) { - ow_result = _owm.OWReadByte(val); - - if(ow_result == OneWireMaster::Success) - { - result = DS2413::Success; - } - else - { - result = DS2413::CommsReadError; - } + ow_result = _owm.OWWriteByte(DS2413::PIO_ACCESS_READ); + + if (ow_result == OneWireMaster::Success) + { + ow_result = _owm.OWReadByte(val); + + if (ow_result == OneWireMaster::Success) + { + result = DS2413::Success; + } + else + { + result = DS2413::CommsReadError; + } + } + else + { + result = DS2413::CommsWriteError; + } } - else - { - result = DS2413::CommsWriteError; - } - } - - return result; + + return result; } - -//********************************************************************* DS2413::CmdResult DS2413::pio_access_write(uint8_t val) { - DS2413::CmdResult result = DS2413::OpFailure; - - OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId); - - if(ow_result == OneWireMaster::Success) - { - uint8_t send_block[] = {DS2413::PIO_ACCESS_WRITE, val, ~val}; - - ow_result = _owm.OWWriteBlock(send_block, 3); - if(ow_result == OneWireMaster::Success) + DS2413::CmdResult result = DS2413::OpFailure; + + OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId); + + if (ow_result == OneWireMaster::Success) { - uint8_t expected_status = ((0x01 & val) | ((0x01 & val) << 1) | - ((0x02 & val) << 1) | ((0x02 & val) << 2)); - - uint8_t rcv_block[2]; - ow_result = _owm.OWReadBlock(rcv_block, 2); - - if(ow_result == OneWireMaster::Success) - { - if((rcv_block[0] == 0xAA) && ((rcv_block[1] & 0x0F) == expected_status)) + uint8_t send_block[] = { DS2413::PIO_ACCESS_WRITE, val, ~val }; + + ow_result = _owm.OWWriteBlock(send_block, 3); + if (ow_result == OneWireMaster::Success) { - result = DS2413::Success; + uint8_t expected_status = ((0x01 & val) | ((0x01 & val) << 1) | + ((0x02 & val) << 1) | ((0x02 & val) << 2)); + + uint8_t rcv_block[2]; + ow_result = _owm.OWReadBlock(rcv_block, 2); + + if (ow_result == OneWireMaster::Success) + { + if ((rcv_block[0] == 0xAA) && ((rcv_block[1] & 0x0F) == expected_status)) + { + result = DS2413::Success; + } + } + else + { + result = DS2413::CommsReadError; + } } - } - else - { - result = DS2413::CommsReadError; - } + else + { + result = DS2413::CommsWriteError; + } } - else - { - result = DS2413::CommsWriteError; - } - } - - return result; + + return result; }