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Add the ability to manually specify the pins for I2C transmission #12

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Merged
merged 1 commit into from
Mar 9, 2018
Merged

Add the ability to manually specify the pins for I2C transmission #12

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9 changes: 7 additions & 2 deletions src/SparkFunBME280.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,11 @@ BME280::BME280( void )
settings.commInterface = I2C_MODE; //Can be I2C_MODE, SPI_MODE
//Select address for I2C. Does nothing for SPI
settings.I2CAddress = 0x77; //Ignored for SPI_MODE
//Select CS pin for SPI. Does nothing for I2C
//Select SDA pin for I2C. Does nothing for I2C
settings.I2C_SDAPin = -1;
//Select SCL pin for I2C. Does nothing for I2C
settings.I2C_SCLPin = -1;
//Select CS pin for I2C. Does nothing for I2C
settings.chipSelectPin = 10;
settings.runMode = 0;
settings.tempOverSample = 0;
Expand All @@ -69,7 +73,8 @@ uint8_t BME280::begin()
{

case I2C_MODE:
Wire.begin();
if (settings.I2C_SDAPin == -1 || settings.I2C_SCLPin == -1) Wire.begin();
else Wire.begin(settings.I2C_SDAPin, settings.I2C_SCLPin);
break;

case SPI_MODE:
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4 changes: 3 additions & 1 deletion src/SparkFunBME280.h
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Expand Up @@ -94,7 +94,9 @@ struct SensorSettings
//Main Interface and mode settings
uint8_t commInterface;
uint8_t I2CAddress;
uint8_t chipSelectPin;
uint8_t I2C_SDAPin;
uint8_t I2C_SCLPin;
uint8_t chipSelectPin;

uint8_t runMode;
uint8_t tStandby;
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