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Added improved capability tests. Added improved capability tests DSP, SDR, SSB.

pull/8/head
guido 2020-01-10 14:45:07 +01:00
rodzic 4485a2548d
commit bd4899aaac
1 zmienionych plików z 53 dodań i 30 usunięć
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83
QCX-SSB.ino
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@ -862,7 +862,7 @@ void sdr_rx()
ADMUX = admux[1]; // set MUX for next conversion
ADCSRA |= (1 << ADSC); // start next ADC conversion
int16_t adc = ADC - 512; // current ADC sample 10-bits analog input, NOTE: first ADCL, then ADCH
func_ptr = sdr_rx_2; // processing function for next conversion
func_ptr = sdr_rx_q; // processing function for next conversion
sdr_rx_common();
// Only for I: correct I/Q sample delay by means of linear interpolation
@ -934,7 +934,7 @@ void sdr_rx()
rx_state++;
}
void sdr_rx_2()
void sdr_rx_q()
{
// process Q for odd samples [75% CPU@R=4;Fs=62.5k] (excluding the Comb branch and output stage)
ADMUX = admux[0]; // set MUX for next conversion
@ -1749,27 +1749,36 @@ void setup()
// Test if QCX has DSP/SDR capability: SIDETONE output disconnected from AUDIO2
si5351.SendRegister(SI_CLK_OE, 0b11111111); // Mute QSD: CLK2_EN=CLK1_EN,CLK0_EN=0
digitalWrite(RX, HIGH); // generate pulse on SIDETONE and test if it can be seen on AUDIO2
delay(100); // settle
delay(1); // settle
digitalWrite(SIDETONE, LOW);
int16_t v1 = analogRead(AUDIO2);
digitalWrite(SIDETONE, HIGH);
int16_t v2 = analogRead(AUDIO2);
digitalWrite(SIDETONE, LOW);
dsp_cap = (v2 - v1) < (0.1 * 1024.0 / 5.0); // DSP capability?
// Test if QCX has SDR capability: AUDIO2 is disconnected from AUDIO1
delay(400); wdt_reset(); // settle: the following test only works well 400ms after startup
v1 = analogRead(AUDIO1);
pinMode(AUDIO2, OUTPUT); // generate pulse on AUDIO2 and test if it can be seen on AUDIO1
digitalWrite(AUDIO2, HIGH);
delay(5);
digitalWrite(AUDIO2, LOW);
v2 = analogRead(AUDIO1);
pinMode(AUDIO2, INPUT);
digitalWrite(AUDIO2, LOW);
if((dsp_cap) && (v2 - v1) < 8) dsp_cap = SDR; // SDR capacility?
// Test if QCX has SSB capability: DVM is biased
ssb_cap = analogRead(DVM) > 369;
dsp_cap = !(abs(v2 - v1) > (0.5 * 1024.0 / 5.0)); // DSP capability?
if(dsp_cap){ // Test if QCX has SDR capability: AUDIO2 is disconnected from AUDIO1 (only in case of DSP capability)
delay(400); wdt_reset(); // settle: the following test only works well 400ms after startup
v1 = analogRead(AUDIO1);
digitalWrite(AUDIO2, HIGH); // generate pulse on AUDIO2 and test if it can be seen on AUDIO1
pinMode(AUDIO2, OUTPUT);
delay(1);
digitalWrite(AUDIO2, LOW);
delay(1);
digitalWrite(AUDIO2, HIGH);
v2 = analogRead(AUDIO1);
pinMode(AUDIO2, INPUT);
if(!(abs(v2 - v1) > (0.010 * 1024.0 / 5.0))) dsp_cap = SDR; // SDR capacility?
}
// Test if QCX has SSB capability: DAH is connected to DVM
delay(1); // settle
pinMode(DAH, OUTPUT);
digitalWrite(DAH, LOW);
v1 = analogRead(DVM);
digitalWrite(DAH, HIGH);
v2 = analogRead(DVM);
digitalWrite(DAH, LOW);
pinMode(DAH, INPUT_PULLUP);
ssb_cap = (abs(v2 - v1) > (0.5 * 1024.0 / 5.0)); // SSB capability?
show_banner();
lcd.setCursor(7, 0); lcd.print(F(" R")); lcd.print(F(VERSION)); lcd_blanks();
@ -1793,14 +1802,12 @@ void setup()
}*/
// Measure CPU loads
if(!(load_tx <= 100.0))
{
if(!(load_tx <= 100.0)){
lcd.setCursor(0, 1); lcd.print(F("!!CPU_tx=")); lcd.print(load_tx); lcd.print(F("%")); lcd_blanks();
delay(1500); wdt_reset();
}
if(!(load_rx_avg <= 100.0))
{
if(!(load_rx_avg <= 100.0)){
lcd.setCursor(0, 1); lcd.print(F("!!CPU_rx")); lcd.print(F("=")); lcd.print(load_rx_avg); lcd.print(F("%")); lcd_blanks();
delay(1500); wdt_reset();
// and specify individual timings for each of the eight alternating processing functions:
@ -1820,16 +1827,14 @@ void setup()
delay(100); // settle
float vdd = 2.0 * (float)analogRead(AUDIO2) * 5.0 / 1024.0;
digitalWrite(RX, HIGH);
if(!(vdd > 4.8 && vdd < 5.2))
{
if(!(vdd > 4.8 && vdd < 5.2)){
lcd.setCursor(0, 1); lcd.print(F("!!V5.0=")); lcd.print(vdd); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
// Measure VEE (+3.3V); should be ~3.3V
float vee = (float)analogRead(SCL) * 5.0 / 1024.0;
if(!(vee > 3.2 && vee < 3.8))
{
if(!(vee > 3.2 && vee < 3.8)){
lcd.setCursor(0, 1); lcd.print(F("!!V3.3=")); lcd.print(vee); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
@ -1841,20 +1846,38 @@ void setup()
bitSet(ADCSRA, ADSC);
for(; bit_is_set(ADCSRA, ADSC););
float avcc = 1.1 * 1023.0 / ADC;
if(!(avcc > 4.6 && avcc < 5.1))
{
if(!(avcc > 4.6 && avcc < 5.1)){
lcd.setCursor(0, 1); lcd.print(F("!!Vavcc=")); lcd.print(avcc); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
// Report no SSB capability
if(!ssb_cap){
lcd.setCursor(0, 1); lcd.print(F("No MIC input...")); lcd_blanks();
delay(300); wdt_reset();
}
// Measure DVM bias; should be ~VAREF/2
float dvm = (float)analogRead(DVM) * 5.0 / 1024.0;
if((ssb_cap) && !(dvm > 1.8 && dvm < 3.2))
{
if((ssb_cap) && !(dvm > 1.8 && dvm < 3.2)){
lcd.setCursor(0, 1); lcd.print(F("!!Vadc2=")); lcd.print(dvm); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
// Measure AUDIO1, AUDIO2 bias; should be ~VAREF/2
if(dsp_cap == SDR){
float audio1 = (float)analogRead(AUDIO1) * 5.0 / 1024.0;
if(!(audio1 > 1.8 && audio1 < 3.2)){
lcd.setCursor(0, 1); lcd.print(F("!!Vadc0=")); lcd.print(dvm); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
float audio2 = (float)analogRead(AUDIO2) * 5.0 / 1024.0;
if(!(audio2 > 1.8 && audio2 < 3.2)){
lcd.setCursor(0, 1); lcd.print(F("!!Vadc1=")); lcd.print(dvm); lcd.print(F("V")); lcd_blanks();
delay(1500); wdt_reset();
}
}
// Measure I2C Bus speed for Bulk Transfers
si5351.freq(freq, 0, 90);
wdt_reset();