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Implemented TX PA Clamping, datasheet section 15.2

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This commit is contained in:
BarryPSmith 2019-11-11 09:11:35 -08:00
parent fc27b5a427
commit 078641d64d
2 changed files with 20 additions and 2 deletions
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15
src/modules/SX1262.cpp
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@ -22,6 +22,11 @@ int16_t SX1262::begin(float freq, float bw, uint8_t sf, uint8_t cr, uint16_t syn
return(state);
}
state = fixPaClamping();
if (state != ERR_NONE) {
return state;
}
return(state);
}
@ -110,3 +115,13 @@ int16_t SX1262::setOutputPower(int8_t power) {
// restore OCP configuration
return(writeRegister(SX126X_REG_OCP_CONFIGURATION, &ocp, 1));
}
int16_t SX1262::fixPaClamping() {
uint8_t clampConfig;
uint16_t state = readRegister(SX126X_REG_TX_CLAMP_CONFIG, &clampConfig, 1);
if (state != ERR_NONE) {
return state;
}
clampConfig |= 0x1E;
return writeRegister(SX126X_REG_TX_CLAMP_CONFIG, &clampConfig, 1);
}

7
src/modules/SX1262.h
View file

@ -8,6 +8,7 @@
//SX126X_CMD_SET_PA_CONFIG
#define SX126X_PA_CONFIG_SX1261 0x01
#define SX126X_PA_CONFIG_SX1262 0x00
#define SX126X_REG_TX_CLAMP_CONFIG 0x08D8 //Datasheet 15.2
/*!
\class SX1262
@ -94,8 +95,10 @@ class SX1262: public SX126x {
int16_t setOutputPower(int8_t power);
private:
/*!
\brief Fixes overly eager PA clamping, as described in section 15.2 of the datasheet
*/
int16_t fixPaClamping();
};
#endif