third-party/HamShield
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Merge remote-tracking branch 'upstream/master'

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This commit is contained in:
Stephen Olesen
2015-07-02 21:32:24 -06:00
parent 6a5815d9b5 0bfd349b64
commit 1aa7f7d224
4 changed files with 10 additions and 14 deletions
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15
HamShield.cpp
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@@ -256,7 +256,7 @@ void HamShield::softReset() {
void HamShield::setFrequency(uint32_t freq_khz) {
radio_frequency = freq_khz;
uint32_t freq_raw = freq_khz << 3; // shift by 3 to multiply by 8
uint32_t freq_raw = freq_khz << 4; // shift by 4 to multiply by 16 (was shift by 3 in old 1846 chip)
// send top 16 bits to A1846S_FREQ_HI_REG
uint16_t freq_half = (uint16_t) (0x3FFF & (freq_raw >> 16));
@@ -386,7 +386,7 @@ void HamShield::setTX(bool on_noff){
setGpioLow(5); // remember that RX and TX are active low
// then turn on VREG (PWM output)
// then apply RF signal
setRfPower(100); // figure out a good default number (or don't set a default)
setRfPower(9); // figure out a good default number (or don't set a default)
}
// todo: make sure gpio are set correctly after this
@@ -945,19 +945,12 @@ void HamShield::setRfPower(uint8_t pwr) {
// (see RF6886 datasheet)
// 30 is 0.5V, which is ~min loop reference voltage
// 127 is 2.5V, which is ~max loop ref voltage
int max_pwr = 255; //167; // 167 is 3.3*255/5 - 1;
int max_pwr = 15; //167; // 167 is 3.3*255/5 - 1;
if (pwr > max_pwr) {
pwr = max_pwr;
}
// using open loop reference voltage into Vreg1/2
/*int max_pwr = 78; // 78 = 1.58*255/5 - 1
if (pwr > max_pwr) {
pwr = max_pwr;
}*/
// using loop ref voltage as specified in RF6886 datasheet
// analogWrite(pwr_control_pin, pwr);
I2Cdev::writeBitsW(devAddr, A1846S_PABIAS_REG, A1846S_PADRV_BIT, A1846S_PADRV_LENGTH, pwr);
}