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Initial support to enabled/disable each sensor input #1

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Initial support to enabled/disable each sensor input #1

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30 changes: 29 additions & 1 deletion src/CAP1293.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -979,4 +979,32 @@ void CAP1293::writeRegisters(CAP1293_Register reg, byte *buffer, byte len)
for (int i = 0; i < len; i++)
_i2cPort->write(buffer[i]);
_i2cPort->endTransmission(); // Stop transmitting
}
}

// === Begin by Andri ===
void CAP1293::setSensorInputEnabled(uint8_t inputNo, bool enabled) {
SENSOR_INPUT_ENABLE_REG reg;
reg.SENSOR_INPUT_ENABLE_COMBINED = readRegister(SENSOR_INPUT_ENABLE);
if (inputNo == 0) {
reg.SENSOR_INPUT_ENABLE_FIELDS.CS1_EN = enabled? 0x01: 0x00;
}
else if (inputNo == 1) {
reg.SENSOR_INPUT_ENABLE_FIELDS.CS2_EN = enabled? 0x01: 0x00;
}
else if (inputNo == 2) {
reg.SENSOR_INPUT_ENABLE_FIELDS.CS3_EN = enabled? 0x01: 0x00;
}
writeRegister(SENSOR_INPUT_ENABLE, reg.SENSOR_INPUT_ENABLE_COMBINED);
}

void CAP1293::setSensorInputsEnabled(const bool inputEnables[], uint8_t num) {
SENSOR_INPUT_ENABLE_REG reg;
reg.SENSOR_INPUT_ENABLE_COMBINED = readRegister(SENSOR_INPUT_ENABLE);
if (num == 3) {
reg.SENSOR_INPUT_ENABLE_FIELDS.CS1_EN = inputEnables[0]? 0x01: 0x00;
reg.SENSOR_INPUT_ENABLE_FIELDS.CS2_EN = inputEnables[1]? 0x01: 0x00;
reg.SENSOR_INPUT_ENABLE_FIELDS.CS3_EN = inputEnables[2]? 0x01: 0x00;
}
writeRegister(SENSOR_INPUT_ENABLE, reg.SENSOR_INPUT_ENABLE_COMBINED);
}
// === End by Andri ===
31 changes: 31 additions & 0 deletions src/CAP1293.h
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,22 @@ typedef union
uint8_t MULTIPLE_TOUCH_PATTERN_COMBINED;
} MULTIPLE_TOUCH_PATTERN_REG;


// === Begin by Andri ===
// Sensor Monitor Enable Register 0x27
typedef union
{
struct
{
uint8_t CS1_EN : 1;
uint8_t CS2_EN : 1;
uint8_t CS3_EN : 1;
uint8_t EMPTY_1 : 5;
} SENSOR_INPUT_ENABLE_FIELDS;
uint8_t SENSOR_INPUT_ENABLE_COMBINED;
} SENSOR_INPUT_ENABLE_REG;
// === End by Andri ===

////////////////////////////////
// CAP1293 Class Declaration //
////////////////////////////////
Expand Down Expand Up @@ -291,6 +307,21 @@ class CAP1293
void setReleaseInterruptEnabled();
bool isReleaseInterruptEnabled();

// === Begin by Andri ===
/**
* Set sensor input monitoring enablement
* @param inputNo - Sensor input number, starts from 0
* @param enabled - true means enabled
*/
void setSensorInputEnabled(uint8_t inputNo, bool enabled);
/**
* Set sensor input monitoring enablement in one go
* @param inputEnables - Sensor input states
* @param num - Should be 3
*/
void setSensorInputsEnabled(const bool inputEnables[], uint8_t num = 3);
// === End by Andri ===

private:
TwoWire *_i2cPort = NULL; //The generic connection to user's chosen I2C hardware
uint8_t _deviceAddress; //Keeps track of I2C address. setI2CAddress changes this.
Expand Down