Venkata Siva Krishna Madala
/
ENS160_Library
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Dependents: ECE4180FinalProjectFall22
Diff: ens160_i2c.cpp
- Revision:
- 4:cb50c2f7e2b2
- Parent:
- 3:63ff52373e71
--- a/ens160_i2c.cpp Tue Dec 06 21:21:28 2022 +0000
+++ b/ens160_i2c.cpp Thu Dec 08 16:39:40 2022 +0000
@@ -6,44 +6,63 @@
this->i2c_address = i2c_device_address;
}
-bool ENS160::ping(uint8_t address)
+int32_t ENS160::readRegisterRegion(uint8_t reg, char *data)
{
- int ret;
- char rxdata;
- ret = i2c.read(this->i2c_address, &rxdata, 1);
- if (ret)
- return true;
- return false;
+ uint8_t retVal;
+ char temp[1] = {reg};
+ char tempVal[1] = {0xFF};
+ this->i2c.write(this->i2c_address, temp, 1);
+ wait(0.01);
+ retVal = this->i2c.read(this->i2c_address, tempVal, 1);
+ wait(0.01);
+ data[0] = tempVal[0];
+ if (retVal != 0)
+ return -1;
+ return 0;
}
-uint8_t ENS160::readRegisterRegion(uint8_t reg, uint8_t *data, uint8_t length)
+int32_t ENS160::readRegisterRegion(uint8_t reg, char *data, uint8_t length)
{
int i;
+ int32_t retVal;
char temp_dest[length];
+ for (i=0; i < length; i++)
+ {
+ temp_dest[i] = 0xFF;
+ }
char temp[1] = {reg};
- i2c.write(this->i2c_address, temp, 1);
- i2c.read(this->i2c_address, temp_dest, length);
+ this->i2c.write(this->i2c_address, temp, 1);
+ wait(0.01);
+ retVal = this->i2c.read(this->i2c_address, temp_dest, length);
+ wait(0.01);
for (i=0; i < length; i++)
{
data[i] = temp_dest[i];
}
- return length;
+ if (retVal !=0)
+ return -1;
+ return 0;
}
-int32_t ENS160::writeRegisterRegion(uint8_t *data, uint8_t length)
+int32_t ENS160::writeRegisterRegion(char *data, uint8_t length)
{
- char temp_dest[length];
- for (int i = 0; i < length; i++)
- {
- temp_dest[i] = *(data + i);
- }
- return i2c.write(this->i2c_address, temp_dest, length);
+ int32_t retVal;
+ retVal = this->i2c.write(this->i2c_address, data, length);
+ wait(0.01);
+ if(retVal !=0)
+ return -1;
+ return 0;
}
-int32_t ENS160::writeRegisterRegion(uint8_t reg, uint8_t data)
+int32_t ENS160::writeRegisterRegion(uint8_t reg, char data)
{
+ int32_t retVal;
char temp_data[2] = {reg, data};
- return i2c.write(this->i2c_address, temp_data, 2);
+ retVal = this->i2c.write(this->i2c_address, temp_data, 2);
+ wait(0.01);
+ if (retVal != 0)
+ return -1;
+ return 0;
}
//////////////////////////////////////////////////////////////////////////////
@@ -52,10 +71,10 @@
uint16_t ENS160::getUniqueID()
{
int32_t retVal;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
uint16_t id;
- retVal = readRegisterRegion(SFE_ENS160_PART_ID, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_PART_ID, tempVal, 2);
id = tempVal[0];
id |= tempVal[1] << 8;
@@ -83,8 +102,6 @@
bool ENS160::init()
{
- if(!this->ping(this->i2c_address))
- return false;
return this->isConnected();
}
@@ -118,14 +135,14 @@
int8_t ENS160::getOperatingMode()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_OP_MODE, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_OP_MODE, tempVal);
if( retVal != 0 )
return -1;
- return tempVal;
+ return tempVal[0];
}
//////////////////////////////////////////////////////////////////////////////
@@ -141,7 +158,7 @@
{
int32_t retVal;
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, val);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, val);
if( retVal != 0 )
return false;
@@ -162,16 +179,16 @@
bool ENS160::enableInterrupt(bool enable)
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return false;
- tempVal = (tempVal | (uint8_t)enable);
+ tempVal[0] = (tempVal[0] | (uint8_t)enable);
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, tempVal);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, tempVal[0]);
if( retVal != 0 )
return false;
@@ -192,16 +209,16 @@
bool ENS160::setInterruptPolarity(bool activeHigh)
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return false;
- tempVal = (tempVal | (activeHigh << 6));
+ tempVal[0] = (tempVal[0] | (activeHigh << 6));
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, tempVal);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, tempVal[0]);
if( retVal != 0 )
return false;
@@ -217,16 +234,16 @@
int8_t ENS160::getInterruptPolarity()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return -1;
- tempVal &= 0x40;
+ tempVal[0] &= 0x40;
- return (tempVal >> 6);
+ return (tempVal[0] >> 6);
}
//////////////////////////////////////////////////////////////////////////////
@@ -241,16 +258,16 @@
bool ENS160::setInterruptDrive(bool pushPull)
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return false;
- tempVal = (tempVal | (uint8_t)(pushPull << 5));
+ tempVal[0] = (tempVal[0] | (uint8_t)(pushPull << 5));
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, tempVal);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, tempVal[0]);
if( retVal != 0 )
return false;
@@ -271,16 +288,16 @@
bool ENS160::setDataInterrupt(bool enable)
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return false;
- tempVal = (tempVal | (uint8_t)(enable << 1));
+ tempVal[0] = (tempVal[0] | (uint8_t)(enable << 1));
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, tempVal);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, tempVal[0]);
if( retVal != 0 )
return false;
@@ -301,16 +318,16 @@
bool ENS160::setGPRInterrupt(bool enable)
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_CONFIG, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_CONFIG, tempVal);
if( retVal != 0 )
return false;
- tempVal = (tempVal | (uint8_t)(enable << 3));
+ tempVal[0] = (tempVal[0] | (uint8_t)(enable << 3));
- retVal = writeRegisterRegion(SFE_ENS160_CONFIG, tempVal);
+ retVal = this->writeRegisterRegion(SFE_ENS160_CONFIG, tempVal[0]);
if( retVal != 0 )
return false;
@@ -327,10 +344,10 @@
uint32_t ENS160::getAppVer()
{
int32_t retVal;
- uint8_t tempVal[3] = {0};
+ char tempVal[3] = {0};
uint32_t version;
- retVal = readRegisterRegion(SFE_ENS160_GPR_READ4, tempVal, 3);
+ retVal = this->readRegisterRegion(SFE_ENS160_GPR_READ4, tempVal, 3);
if( retVal != 0 )
return 0;
@@ -354,7 +371,7 @@
bool ENS160::setTempCompensation(float tempKelvin)
{
int32_t retVal;
- uint8_t tempVal[3] = {0};
+ char tempVal[3] = {0};
uint16_t kelvinConversion = tempKelvin;
kelvinConversion = kelvinConversion * 64; // convert value - fixed equation pg. 29 of datasheet
@@ -362,7 +379,7 @@
tempVal[1] = (kelvinConversion & 0x00FF);
tempVal[2] = (kelvinConversion & 0xFF00) >> 8;
- retVal = writeRegisterRegion(tempVal, 2);
+ retVal = this->writeRegisterRegion(tempVal, 3);
if( retVal != 0 )
return false;
@@ -403,14 +420,14 @@
bool ENS160::setRHCompensation(uint16_t humidity)
{
int32_t retVal;
- uint8_t tempVal[3] = {0};
+ char tempVal[3] = {0};
humidity = humidity * 512; // convert value - fixed equation pg. 29 in datasheet.
tempVal[0] = SFE_ENS160_RH_IN;
tempVal[1] = (humidity & 0x00FF);
tempVal[2] = (humidity & 0xFF00) >> 8;
- retVal = writeRegisterRegion(tempVal, 2);
+ retVal = this->writeRegisterRegion(tempVal, 3);
if( retVal != 0 )
return false;
@@ -446,16 +463,16 @@
bool ENS160::checkDataStatus()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DEVICE_STATUS, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DEVICE_STATUS, tempVal);
if( retVal != 0 )
return false;
- tempVal &= 0x02;
+ tempVal[0] &= 0x02;
- if( tempVal == 0x02 )
+ if( tempVal[0] == 0x02 )
return true;
return false;
@@ -472,16 +489,16 @@
bool ENS160::checkGPRStatus()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DEVICE_STATUS, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DEVICE_STATUS, tempVal);
if( retVal != 0 )
return false;
- tempVal &= 0x01;
+ tempVal[0] &= 0x01;
- if( tempVal == 0x01 )
+ if( tempVal[0] == 0x01 )
return true;
return false;
@@ -496,29 +513,25 @@
uint8_t ENS160::getFlags()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DEVICE_STATUS, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DEVICE_STATUS, tempVal);
if( retVal != 0 )
return 0xFF; // Change to general error
- tempVal = (tempVal & 0x0C) >> 2;
+ tempVal[0] = (tempVal[0] & 0x0C) >> 2;
- switch( tempVal )
+ switch( tempVal[0] )
{
case 0: // Normal operation
return 0;
- break;
case 1: // Warm-up phase
return 1;
- break;
case 2: // Initial Start-Up Phase
return 2;
- break;
case 3: // Invalid Output
return 3;
- break;
default:
return 0xFF;
}
@@ -534,16 +547,16 @@
bool ENS160::checkOperationStatus()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DEVICE_STATUS, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DEVICE_STATUS, tempVal);
if( retVal != 0 )
return false;
- tempVal &= 0x80;
+ tempVal[0] &= 0x80;
- if( tempVal == 0x80 )
+ if( tempVal[0] == 0x80 )
return true;
return false;
@@ -558,16 +571,16 @@
bool ENS160::getOperationError()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DEVICE_STATUS, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DEVICE_STATUS, tempVal);
if( retVal != 0 )
return false;
- tempVal &= 0x40;
+ tempVal[0] &= 0x40;
- if( tempVal == 0x40 )
+ if( tempVal[0] == 0x40 )
return true;
return false;
@@ -587,16 +600,16 @@
uint8_t ENS160::getAQI()
{
int32_t retVal;
- uint8_t tempVal;
+ char tempVal[1] = {0x00};
- retVal = readRegisterRegion(SFE_ENS160_DATA_AQI, &tempVal, 1);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_AQI, tempVal);
if( retVal != 0 )
return 0;
- tempVal = (tempVal & 0x03);
+ tempVal[0] = (tempVal[0] & 0x03);
- return tempVal;
+ return tempVal[0];
}
//////////////////////////////////////////////////////////////////////////////
@@ -608,9 +621,9 @@
{
int32_t retVal;
uint16_t tvoc;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
- retVal = readRegisterRegion(SFE_ENS160_DATA_TVOC, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_TVOC, tempVal, 2);
if( retVal != 0 )
return 0;
@@ -634,9 +647,9 @@
{
int32_t retVal;
uint16_t ethanol;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
- retVal = readRegisterRegion(SFE_ENS160_DATA_ETOH, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_ETOH, tempVal, 2);
if( retVal != 0 )
return 0;
@@ -657,9 +670,9 @@
{
int32_t retVal;
uint16_t eco;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
- retVal = readRegisterRegion(SFE_ENS160_DATA_ECO2, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_ECO2, tempVal, 2);
if( retVal != 0 )
return 0;
@@ -681,12 +694,12 @@
int32_t retVal;
float temperature;
int16_t tempConversion;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
- retVal = readRegisterRegion(SFE_ENS160_DATA_T, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_T, tempVal, 2);
if( retVal != 0 )
- return 0;
+ return -1.0;
tempConversion = tempVal[0];
tempConversion |= (tempVal[1] << 8);
@@ -722,12 +735,12 @@
{
int32_t retVal;
uint16_t rh;
- uint8_t tempVal[2] = {0};
+ char tempVal[2] = {0};
- retVal = readRegisterRegion(SFE_ENS160_DATA_RH, tempVal, 2);
+ retVal = this->readRegisterRegion(SFE_ENS160_DATA_RH, tempVal, 2);
if( retVal != 0 )
- return 0;
+ return -1.0;
rh = tempVal[0];
rh |= tempVal[1] << 8;
Repository toolbox
Repository details
| Type: | Library |
|---|---|
| Created: | 06 Dec 2022 |
| Imports: | 1 |
| Forks: | 0 |
| Commits: | 6 |
| Dependents: | 1 |
| Dependencies: | 0 |
| Followers: | 4 |
Developers
Venkata Siva Krishna Madala
Poorvi Bhaskar Suryaa Senthilkumar Shanthi Shreyaa Senthilnathan