updated setRfPower function. It now sets the PADRV bits on the AU1846
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@ -384,7 +384,7 @@ void HamShield::setTX(bool on_noff){
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setGpioLow(5); // remember that RX and TX are active low
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setGpioLow(5); // remember that RX and TX are active low
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// then turn on VREG (PWM output)
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// then turn on VREG (PWM output)
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// then apply RF signal
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// then apply RF signal
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setRfPower(100); // figure out a good default number (or don't set a default)
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setRfPower(9); // figure out a good default number (or don't set a default)
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}
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}
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// todo: make sure gpio are set correctly after this
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// todo: make sure gpio are set correctly after this
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@ -943,19 +943,12 @@ void HamShield::setRfPower(uint8_t pwr) {
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// (see RF6886 datasheet)
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// (see RF6886 datasheet)
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// 30 is 0.5V, which is ~min loop reference voltage
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// 30 is 0.5V, which is ~min loop reference voltage
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// 127 is 2.5V, which is ~max loop ref voltage
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// 127 is 2.5V, which is ~max loop ref voltage
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int max_pwr = 255; //167; // 167 is 3.3*255/5 - 1;
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int max_pwr = 15; //167; // 167 is 3.3*255/5 - 1;
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if (pwr > max_pwr) {
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if (pwr > max_pwr) {
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pwr = max_pwr;
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pwr = max_pwr;
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}
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}
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I2Cdev::writeBitsW(devAddr, A1846S_PABIAS_REG, A1846S_PADRV_BIT, A1846S_PADRV_LENGTH, pwr);
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// using open loop reference voltage into Vreg1/2
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/*int max_pwr = 78; // 78 = 1.58*255/5 - 1
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if (pwr > max_pwr) {
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pwr = max_pwr;
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}*/
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// using loop ref voltage as specified in RF6886 datasheet
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// analogWrite(pwr_control_pin, pwr);
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}
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}
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@ -89,6 +89,9 @@
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#define A1846S_PABIAS_BIT 5 // pabias_voltage<5:0>
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#define A1846S_PABIAS_BIT 5 // pabias_voltage<5:0>
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#define A1846S_PABIAS_LENGTH 6
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#define A1846S_PABIAS_LENGTH 6
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#define A1846S_PADRV_BIT 14 // pabias_voltage<14:11>
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#define A1846S_PADRV_LENGTH 4
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// Bitfields for A1846S_BAND_SEL_REG
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// Bitfields for A1846S_BAND_SEL_REG
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#define A1846S_BAND_SEL_BIT 7 // band_sel<1:0>
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#define A1846S_BAND_SEL_BIT 7 // band_sel<1:0>
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#define A1846S_BAND_SEL_LENGTH 2
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#define A1846S_BAND_SEL_LENGTH 2
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@ -17,7 +17,7 @@ Frequency F<freq>; Set the receive frequency in KHz, if offset is disabl
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CDCSS In G<code>; <code> must be a valid CDCSS code No
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CDCSS In G<code>; <code> must be a valid CDCSS code No
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CDCSS Out H<code>; <code> must be a valid CDCSS code No
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CDCSS Out H<code>; <code> must be a valid CDCSS code No
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Print tones I Prints out all configured tones and codes, coma delimited in format: CTCSS In, CTCSS Out, CDCSS In, CDCSS Out No
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Print tones I Prints out all configured tones and codes, coma delimited in format: CTCSS In, CTCSS Out, CDCSS In, CDCSS Out No
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Power level P<level>; Set the power amp level, 0 = lowest, 255 = highest No
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Power level P<level>; Set the power amp level, 0 = lowest, 15 = highest No
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Enable Offset R<state>; 1 turns on repeater offset mode, 0 turns off repeater offset mode No
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Enable Offset R<state>; 1 turns on repeater offset mode, 0 turns off repeater offset mode No
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Squelch S<level>; Set the squelch level No
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Squelch S<level>; Set the squelch level No
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TX Offset T<freq>; The absolute frequency of the repeater offset to transmit on in KHz No
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TX Offset T<freq>; The absolute frequency of the repeater offset to transmit on in KHz No
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@ -81,7 +81,7 @@ void setup() {
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radio.setVolume2(0xF);
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radio.setVolume2(0xF);
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radio.setModeReceive();
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radio.setModeReceive();
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radio.setTxSourceMic();
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radio.setTxSourceMic();
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radio.setRfPower(255); // 30 is 0.5V, which corresponds to 29 dBm out (see RF6886 datasheet)
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radio.setRfPower(9);
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radio.setSQLoThresh(80);
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radio.setSQLoThresh(80);
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radio.setSQOn();
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radio.setSQOn();
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}
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}
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