Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependents: MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more
Diff: Bridge/DS28E17/DS28E17.cpp
- Revision:
- 74:23be10c32fa3
- Parent:
- 73:2cecc1372acc
- Child:
- 75:8b627804927c
--- a/Bridge/DS28E17/DS28E17.cpp Thu May 12 14:38:16 2016 -0500
+++ b/Bridge/DS28E17/DS28E17.cpp Fri May 13 07:48:35 2016 -0500
@@ -41,259 +41,259 @@
//*********************************************************************
DS28E17::DS28E17(OneWireMaster &owm)
-: _owm(owm)
+ : _owm(owm)
{
-
+
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_WriteDataWithStop(uint8_t I2C_addr, uint8_t length,
- uint8_t *data, uint8_t &status,
- uint8_t &wr_status)
+DS28E17::CmdResult DS28E17::I2C_WriteDataWithStop(uint8_t I2C_addr, uint8_t length,
+ uint8_t *data, uint8_t &status,
+ uint8_t &wr_status)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
//seed the crc
_crc16 = 0;
-
+
// Form the 1-Wire Packet
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_WRITE_W_STOP;
docrc16(send_block[send_cnt++]);
-
+
// I2C Address
send_block[send_cnt] = I2C_addr;
docrc16(send_block[send_cnt++]);
-
+
// Length field
send_block[send_cnt] = length;
docrc16(send_block[send_cnt++]);
-
+
// Form the write data
- for (size_t idx = 0; idx < length; idx++)
+ for (size_t idx = 0; idx < length; idx++)
{
send_block[send_cnt] = data[idx];
docrc16(send_block[send_cnt++]);
}
-
+
// Form the CRC16
- _crc16 = _crc16^0xFFFF;
+ _crc16 = _crc16 ^ 0xFFFF;
send_block[send_cnt++] = ((uint8_t)(_crc16 & 0xFF));
send_block[send_cnt++] = ((uint8_t)((_crc16 >> 8) & 0xFF));
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status, wr_status);
}
-
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_WriteDataNoStop(uint8_t I2C_addr, uint8_t length,
- uint8_t *data, uint8_t &status,
- uint8_t &wr_status)
+DS28E17::CmdResult DS28E17::I2C_WriteDataNoStop(uint8_t I2C_addr, uint8_t length,
+ uint8_t *data, uint8_t &status,
+ uint8_t &wr_status)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// seed the crc
_crc16 = 0;
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_WRITE_NO_STOP;
docrc16(send_block[send_cnt++]);
-
+
// I2C Address
send_block[send_cnt] = I2C_addr;
docrc16(send_block[send_cnt++]);
-
+
// Length field
send_block[send_cnt] = length;
docrc16(send_block[send_cnt++]);
-
+
// Form the write data
- for(size_t idx = 0; idx < length; idx++)
+ for (size_t idx = 0; idx < length; idx++)
{
send_block[send_cnt] = data[idx];
docrc16(send_block[send_cnt++]);
}
-
+
// Form the CRC16
- _crc16 = _crc16^0xFFFF;
+ _crc16 = _crc16 ^ 0xFFFF;
send_block[send_cnt++] = ((uint8_t)(_crc16 & 0xFF));
send_block[send_cnt++] = ((uint8_t)((_crc16 >> 8) & 0xFF));
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status, wr_status);
}
-
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_WriteDataOnly(uint8_t length, uint8_t *data,
- uint8_t &status, uint8_t &wr_status)
+DS28E17::CmdResult DS28E17::I2C_WriteDataOnly(uint8_t length, uint8_t *data,
+ uint8_t &status, uint8_t &wr_status)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// seed the crc
_crc16 = 0;
-
+
// Form the 1-Wire Packet
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_WRITE_ONLY;
docrc16(send_block[send_cnt++]);
-
+
// Length field
send_block[send_cnt] = length;
docrc16(send_block[send_cnt++]);
-
+
// Form the write data
- for (size_t idx = 0; idx < length; idx++)
+ for (size_t idx = 0; idx < length; idx++)
{
send_block[send_cnt] = data[idx];
docrc16(send_block[send_cnt++]);
}
-
+
// Form the CRC16\
_crc16 = _crc16^0xFFFF;
send_block[send_cnt++] = (_crc16 & 0xFF);
send_block[send_cnt++] = ((_crc16 >> 8) & 0xFF);
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status, wr_status);
}
-
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_WriteDataOnlyWithStop(uint8_t length, uint8_t *data,
- uint8_t &status, uint8_t &wr_status)
+DS28E17::CmdResult DS28E17::I2C_WriteDataOnlyWithStop(uint8_t length, uint8_t *data,
+ uint8_t &status, uint8_t &wr_status)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
//seed the crc
_crc16 = 0;
-
+
// Form the 1-Wire Packet
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_WRITE_ONLY_W_STOP;
docrc16(send_block[send_cnt++]);
-
+
// Length field
send_block[send_cnt] = length;
docrc16(send_block[send_cnt++]);
-
+
// Form the write data
- for (size_t idx = 0; idx < length; idx++)
+ for (size_t idx = 0; idx < length; idx++)
{
send_block[send_cnt] = data[idx];
docrc16(send_block[send_cnt++]);
}
-
+
// Form the CRC16
- _crc16 = _crc16^0xFFFF;
+ _crc16 = _crc16 ^ 0xFFFF;
send_block[send_cnt++] = (_crc16 & 0xFF);
send_block[send_cnt++] = ((_crc16 >> 8) & 0xFF);
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status, wr_status);
- }
-
+ }
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_WriteReadDataWithStop(uint8_t I2C_addr, uint8_t length,
- uint8_t *data, uint8_t nu_bytes_read,
- uint8_t &status, uint8_t &wr_status,
- uint8_t *read_data)
+DS28E17::CmdResult DS28E17::I2C_WriteReadDataWithStop(uint8_t I2C_addr, uint8_t length,
+ uint8_t *data, uint8_t nu_bytes_read,
+ uint8_t &status, uint8_t &wr_status,
+ uint8_t *read_data)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
size_t idx = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
//seed the crc
_crc16 = 0;
-
+
// Form the 1-Wire Packet
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_WRITE_READ_W_STOP;
docrc16(send_block[send_cnt++]);
-
+
// I2C Address
send_block[send_cnt] = I2C_addr;
docrc16(send_block[send_cnt++]);
-
+
// Length field
send_block[send_cnt] = length;
docrc16(send_block[send_cnt++]);
-
+
// Form the write data
- for (idx = 0; idx < length; idx++)
+ for (idx = 0; idx < length; idx++)
{
send_block[send_cnt] = data[idx];
docrc16(send_block[send_cnt++]);
}
-
+
// # of bytes to Read field
send_block[send_cnt] = nu_bytes_read;
docrc16(send_block[send_cnt++]);
-
+
// Form the CRC16
- _crc16 = _crc16^0xFFFF;
+ _crc16 = _crc16 ^ 0xFFFF;
send_block[send_cnt++] = (_crc16 & 0xFF);
send_block[send_cnt++] = ((_crc16 >> 8) & 0xFF);
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status, wr_status);
- if(bridge_result == DS28E17::Success)
+ if (bridge_result == DS28E17::Success)
{
ow_result = _owm.OWReadBlock(read_data, nu_bytes_read);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -303,52 +303,52 @@
}
}
}
-
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::I2C_ReadDataWithStop(uint8_t I2C_addr, uint8_t nu_bytes_read,
- uint8_t &status, uint8_t *read_data)
+DS28E17::CmdResult DS28E17::I2C_ReadDataWithStop(uint8_t I2C_addr, uint8_t nu_bytes_read,
+ uint8_t &status, uint8_t *read_data)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
size_t send_cnt = 0;
uint8_t send_block[0xff];
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
//seed the crc for transmit bytes
_crc16 = 0;
-
+
// Form the 1-Wire Packet to send
-
+
// I2C Write Data with Stop command
send_block[send_cnt] = CMD_I2C_READ_W_STOP;
docrc16(send_block[send_cnt++]);
-
+
// I2C Address
send_block[send_cnt] = I2C_addr;
docrc16(send_block[send_cnt++]);
-
+
// # of bytes to Read field
send_block[send_cnt] = nu_bytes_read;
docrc16(send_block[send_cnt++]);
-
+
// Form the CRC16
- _crc16 = _crc16^0xFFFF;
+ _crc16 = _crc16 ^ 0xFFFF;
send_block[send_cnt++] = (_crc16 & 0xFF);
send_block[send_cnt++] = ((_crc16 >> 8) & 0xFF);
-
+
// Send Packet
bridge_result = send_packet(send_block, send_cnt, status);
- if(bridge_result == DS28E17::Success)
+ if (bridge_result == DS28E17::Success)
{
ow_result = _owm.OWReadBlock(read_data, nu_bytes_read);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -358,7 +358,7 @@
}
}
}
-
+
return bridge_result;
}
@@ -367,16 +367,16 @@
DS28E17::CmdResult DS28E17::WriteConfigReg(uint8_t data)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Send CMD and Data
- uint8_t send_block[] = {CMD_WRITE_CONFIG_REG, data};
-
+ uint8_t send_block[] = { CMD_WRITE_CONFIG_REG, data };
+
ow_result = _owm.OWWriteBlock(send_block, 2);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
_i2c_speed = data & 0x03; // Save off _i2c_speed setting to be used by other functions
bridge_result = DS28E17::Success;
@@ -386,7 +386,7 @@
bridge_result = DS28E17::CommsWriteBlockError;
}
}
-
+
return bridge_result;
}
@@ -395,17 +395,17 @@
DS28E17::CmdResult DS28E17::ReadConfigReg(uint8_t & config)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Send CMD and receive Data
ow_result = _owm.OWWriteByte(CMD_READ_CONFIG_REG);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
ow_result = _owm.OWReadByte(config);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -419,7 +419,7 @@
bridge_result = DS28E17::CommsWriteByteError;
}
}
-
+
return bridge_result;
}
@@ -428,14 +428,14 @@
DS28E17::CmdResult DS28E17::DisableOWMode()
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Send CMD
ow_result = _owm.OWWriteByte(CMD_DISABLE_OW_MODE);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -444,7 +444,7 @@
bridge_result = DS28E17::CommsWriteByteError;
}
}
-
+
return bridge_result;
}
@@ -453,14 +453,14 @@
DS28E17::CmdResult DS28E17::EnableSleepMode()
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Send CMD
ow_result = _owm.OWWriteByte(CMD_ENABLE_SLEEP_MODE);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -469,7 +469,7 @@
bridge_result = DS28E17::CommsWriteByteError;
}
}
-
+
return bridge_result;
}
@@ -478,17 +478,17 @@
DS28E17::CmdResult DS28E17::ReadDeviceRevision(uint8_t & rev)
{
DS28E17::CmdResult bridge_result = DS28E17::OperationFailure;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWMatchROM(romId);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Send CMD and receive Data
ow_result = _owm.OWWriteByte(CMD_READ_DEVICE_REV);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
ow_result = _owm.OWReadByte(rev);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
}
@@ -502,7 +502,7 @@
bridge_result = DS28E17::CommsWriteByteError;
}
}
-
+
return bridge_result;
}
@@ -519,9 +519,9 @@
}
data <<= 6;
- _crc16 ^= data;
+ _crc16 ^= data;
data <<= 1;
- _crc16 ^= data;
+ _crc16 ^= data;
return _crc16;
}
@@ -533,99 +533,97 @@
{
DS28E17::CmdResult bridge_result = DS28E17::CommsWriteBlockError;
uint32_t poll_count = 0;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWWriteBlock(data, data_length);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Poll for Zero 1-Wire bit and return if an error occurs
uint8_t recvbit = 0x01;
- do
+ do
{
ow_result = _owm.OWReadBit(recvbit);
- }
- while(recvbit && (poll_count++ < POLL_LIMIT) && (ow_result == OneWireMaster::Success));
+ } while (recvbit && (poll_count++ < POLL_LIMIT) && (ow_result == OneWireMaster::Success));
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
- if(poll_count < POLL_LIMIT)
+ if (poll_count < POLL_LIMIT)
{
//Read Status and write status
uint8_t read_block[2];
-
+
ow_result = _owm.OWReadBlock(read_block, 2);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
status = read_block[0];
wr_status = read_block[1];
bridge_result = DS28E17::Success;
- }
+ }
else
{
- bridge_result = DS28E17::CommsReadBlockError;
+ bridge_result = DS28E17::CommsReadBlockError;
}
- }
- else
+ }
+ else
{
bridge_result = DS28E17::TimeoutError;
}
- }
- else
+ }
+ else
{
bridge_result = DS28E17::CommsReadBitError;
}
- }
-
+ }
+
return bridge_result;
}
//*********************************************************************
-DS28E17::CmdResult DS28E17::send_packet(const uint8_t * data, uint8_t data_length,
+DS28E17::CmdResult DS28E17::send_packet(const uint8_t * data, uint8_t data_length,
uint8_t & status)
{
DS28E17::CmdResult bridge_result = DS28E17::CommsWriteBlockError;
uint32_t poll_count = 0;
-
+
OneWireMaster::CmdResult ow_result = _owm.OWWriteBlock(data, data_length);
-
- if(ow_result == OneWireMaster::Success)
+
+ if (ow_result == OneWireMaster::Success)
{
// Poll for Zero 1-Wire bit and return if an error occurs
uint8_t recvbit = 0x01;
- do
+ do
{
ow_result = _owm.OWReadBit(recvbit);
- }
- while(recvbit && (poll_count++ < POLL_LIMIT) && (ow_result == OneWireMaster::Success));
+ } while (recvbit && (poll_count++ < POLL_LIMIT) && (ow_result == OneWireMaster::Success));
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
- if(poll_count < POLL_LIMIT)
+ if (poll_count < POLL_LIMIT)
{
//Read Status
ow_result = _owm.OWReadByte(status);
- if(ow_result == OneWireMaster::Success)
+ if (ow_result == OneWireMaster::Success)
{
bridge_result = DS28E17::Success;
- }
+ }
else
{
bridge_result = DS28E17::CommsReadByteError;
}
- }
- else
+ }
+ else
{
bridge_result = DS28E17::TimeoutError;
}
- }
- else
+ }
+ else
{
bridge_result = DS28E17::CommsReadBitError;
}
- }
-
+ }
+
return bridge_result;
}