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SX1276: RF power adjustment for DIY & Jumper T-Lite

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Pascal Langer
2021-02-21 16:05:25 +01:00
parent ae842f0bdc
commit 2233f6f862
7 changed files with 130 additions and 100 deletions
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19
Multiprotocol/FrSkyR9_sx1276.ino
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@@ -205,7 +205,14 @@ void FRSKYR9_init()
SX1276_SetDetectionThreshold(SX1276_MODEM_DETECTION_THRESHOLD_SF6);
SX1276_SetLna(1, true);
SX1276_SetHopPeriod(0); // 0 = disabled, we hop frequencies manually
SX1276_SetPaDac(true);
//RF Power
SX1276_SetPaDac(false); // Disable 20dBm mode
#if MULTI_5IN1_INTERNAL == JP_T18
SX1276_SetPaConfig(true, 7, 0); // Lowest power for the T18: 2dBm
#else
SX1276_SetPaConfig(true, 7, option); // Use PA_HP on PA_BOOST, power=17-(15-option) dBm with option equal or lower to 15
#endif
SX1276_SetOcp(true,27); // Set OCP to max 240mA
SX1276_SetTxRxMode(TX_EN); // Set RF switch to TX
//Enable all IRQ flags
SX1276_WriteReg(SX1276_11_IRQFLAGSMASK,0x00);
@@ -226,8 +233,14 @@ uint16_t FRSKYR9_callback()
FrSkyR9_set_frequency(); // Set current center frequency
//Set power
// max power: 15dBm (10.8 + 0.6 * MaxPower [dBm])
// output_power: 2 dBm (17-(15-OutputPower) (if pa_boost_pin == true))
SX1276_SetPaConfig(true, 7, 0); // Lowest power for the T18
// output_power: 2 dBm ( (if pa_boost_pin == true))
#if MULTI_5IN1_INTERNAL != JP_T18
if(option != prev_option)
{ // Set RF power if it has changed
SX1276_SetPaConfig(true, 7, option); // Use PA_HP on PA_BOOST, power=17-(15-option) dBm with option equal or lower to 15
prev_option = option;
}
#endif
//Build packet
if( packet_length == 26 )
FrSkyR9_build_packet();