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update ctcss getfreq and example

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This commit is contained in:
Morgan Redfield
2018-08-15 19:30:20 -07:00
parent 96d02c3bd9
commit afbecf6e5e
3 changed files with 17 additions and 14 deletions
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16
src/HamShield.cpp
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@@ -770,23 +770,25 @@ void HamShield::setCtcss(float freq_Hz) {
}
void HamShield::setCtcssFreq(uint16_t freq_milliHz){
HSwriteWord(devAddr, A1846S_CTCSS_FREQ_REG, freq_milliHz);
// set RX Ctcss match thresholds (based on frequency)
// calculate thresh based on freq
float f = ((float) freq_milliHz)/100;
uint8_t thresh = (uint8_t)(-0.1*f + 25);
setCtcssDetThreshIn(thresh);
setCtcssDetThreshOut(thresh);
HSwriteWord(devAddr, A1846S_CTCSS_FREQ_REG, freq_milliHz);
}
uint16_t HamShield::getCtcssFreqMilliHz(){
HSreadWord(devAddr, A1846S_CTCSS_FREQ_REG, radio_i2c_buf);
return radio_i2c_buf[0];
return getCtcssFreqHz()*100;
}
float HamShield::getCtcssFreqHz() {
return ((float)(getCtcssFreqMilliHz()))/100;
//y = mx + b
float m = 1.678;
float b = -3.3;
HSreadWord(devAddr, A1846S_CTCSS_FREQ_REG, radio_i2c_buf);
float f = (float) radio_i2c_buf[0];
return (f/m-b)/100;
}
void HamShield::setCtcssFreqToStandard(){