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Add PA calculations for LoRa1280F27

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jacob.eva 2024-07-03 12:25:49 +01:00
parent fa16f4a54d
commit 007dfd8e65
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GPG Key ID: 0B92E083BBCCAA1E
2 changed files with 109 additions and 16 deletions
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81
Radio.cpp
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@ -2192,6 +2192,86 @@ void sx128x::disableTCXO() {
}
void sx128x::setTxPower(int level, int outputPin) {
// PA calculation currently only works for the LoRa1280F27. Support for
// other assemblies would be appreciated in a PR.
if (outputPin == PA_OUTPUT_PA_BOOST_PIN) {
if (level > 27) {
level = 27;
} else if (level < 0) {
level = 0;
}
_txp = level;
int reg_value;
switch (level) {
case 0:
reg_value = -18;
case 1:
reg_value = -17;
case 2:
reg_value = -16;
case 3:
reg_value = -15;
case 4:
reg_value = -14;
case 5:
reg_value = -13;
case 6:
reg_value = -12;
case 7:
reg_value = -10;
case 8:
reg_value = -9;
case 9:
reg_value = -8;
case 10:
reg_value = -7;
case 11:
reg_value = -6;
case 12:
reg_value = -5;
case 13:
reg_value = -4;
case 14:
reg_value = -3;
case 15:
reg_value = -2;
case 16:
reg_value = -1;
case 17:
reg_value = 0;
case 18:
reg_value = 1;
case 19:
reg_value = 2;
case 20:
reg_value = 3;
case 21:
reg_value = 4;
case 22:
reg_value = 5;
case 23:
reg_value = 6;
case 24:
reg_value = 8;
case 25:
reg_value = 9;
case 26:
reg_value = 12;
case 27:
reg_value = 13;
}
uint8_t tx_buf[2];
tx_buf[0] = reg_value;
tx_buf[1] = 0xE0; // ramping time - 20 microseconds
executeOpcode(OP_TX_PARAMS_8X, tx_buf, 2);
} else {
if (level > 13) {
level = 13;
} else if (level < -18) {
@ -2208,6 +2288,7 @@ void sx128x::setTxPower(int level, int outputPin) {
executeOpcode(OP_TX_PARAMS_8X, tx_buf, 2);
}
}
uint8_t sx128x::getTxPower() {
return _txp;

16
Utilities.h
View File

@ -965,8 +965,20 @@ void set_implicit_length(uint8_t len) {
}
void setTXPower(RadioInterface* radio, int txp) {
if (model == MODEL_11) radio->setTxPower(txp, PA_OUTPUT_RFO_PIN);
if (model == MODEL_12) radio->setTxPower(txp, PA_OUTPUT_RFO_PIN);
if (model == MODEL_11) {
if (interfaces[radio->getIndex()] == SX128X) {
radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
} else {
radio->setTxPower(txp, PA_OUTPUT_RFO_PIN);
}
}
if (model == MODEL_12) {
if (interfaces[radio->getIndex()] == SX128X) {
radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
} else {
radio->setTxPower(txp, PA_OUTPUT_RFO_PIN);
}
}
if (model == MODEL_A1) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
if (model == MODEL_A2) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);