Maxim Integrated
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Superseded by MaximInterface.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
--- 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;
}