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ATtiny85-USB-Tester
mirror of https://github.com/wagiminator/ATtiny85-USB-Tester
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wagiminator 2021-03-29 19:02:14 +02:00
parent 98882b6cc3
commit 3cfc65e9ae
1 changed files with 16 additions and 14 deletions
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software/USB_Tester_v1.3.ino
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@ -6,10 +6,10 @@
// switch between different screens. // switch between different screens.
// //
// +-\/-+ // +-\/-+
// RESET --- A0 (D5) PB5 1| |8 Vcc // RESET --- A0 (D5) PB5 1|° |8 Vcc
// SET ----- A3 (D3) PB3 2| |7 PB2 (D2) A1 ---- OLED/INA (SCK) // SET ----- A3 (D3) PB3 2| |7 PB2 (D2) A1 --- OLED/INA (SCK)
// A2 (D4) PB4 3| |6 PB1 (D1) // A2 (D4) PB4 3| |6 PB1 (D1)
// GND 4| |5 PB0 (D0) ------- OLED/INA (SDA) // GND 4| |5 PB0 (D0) ------ OLED/INA (SDA)
// +----+ // +----+
// //
// Core: ATtinyCore (https://github.com/SpenceKonde/ATTinyCore) // Core: ATtinyCore (https://github.com/SpenceKonde/ATTinyCore)
@ -19,6 +19,8 @@
// Millis: disabled // Millis: disabled
// B.O.D.: 2.7V // B.O.D.: 2.7V
// Leave the rest on default settings. Don't forget to "Burn bootloader"! // Leave the rest on default settings. Don't forget to "Burn bootloader"!
// No Arduino core functions or libraries are used. Use the makefile if
// you want to compile without Arduino IDE.
// //
// The I²C OLED implementation is based on TinyOLEDdemo // The I²C OLED implementation is based on TinyOLEDdemo
// https://github.com/wagiminator/ATtiny13-TinyOLEDdemo // https://github.com/wagiminator/ATtiny13-TinyOLEDdemo
@ -29,7 +31,7 @@
// License: http://creativecommons.org/licenses/by-sa/3.0/ // License: http://creativecommons.org/licenses/by-sa/3.0/
// oscillator calibration value (uncomment and set if necessary) // Oscillator calibration value (uncomment and set if necessary)
// #define OSCCAL_VAL 0x48 // #define OSCCAL_VAL 0x48
// Libraries // Libraries
@ -396,20 +398,20 @@ int main(void) {
// Loop // Loop
while(1) { while(1) {
// Read sensor values // Read sensor values
voltage = INA_readVoltage(); // read voltage from INA219 voltage = INA_readVoltage(); // read voltage in mV from INA219
current = INA_readCurrent(); // read current from INA219 current = INA_readCurrent(); // read current in mA from INA219
power = (uint32_t)voltage * current / 1000; // calculate power in mW
// Calculate timings // Calculate timings
nowmillis = MIL_read(); // read millis counter nowmillis = MIL_read(); // read millis counter
interval = nowmillis - lastmillis; // calculate time interval interval = nowmillis - lastmillis; // calculate recent time interval
lastmillis = nowmillis; // reset lastmillis lastmillis = nowmillis; // reset lastmillis
duration += interval; // calculate total duration in millis duration += interval; // calculate total duration in millis
seconds = duration / 1000; // calculate total duration in seconds seconds = duration / 1000; // calculate total duration in seconds
// Calculate capacity in uAh and energy in uWh // Calculate power, capacity and energy
capacity += interval * current / 3600; // calculate uAh power = (uint32_t)voltage * current / 1000; // calculate power in mW
energy += interval * power / 3600; // calculate uWh capacity += interval * current / 3600; // calculate capacity in uAh
energy += interval * power / 3600; // calculate energy in uWh
// Update min/max values // Update min/max values
if (minvoltage > voltage) minvoltage = voltage; if (minvoltage > voltage) minvoltage = voltage;
@ -447,7 +449,7 @@ int main(void) {
OLED_printDec16(minpower); OLED_printPrg(SEP); OLED_printDec16(minpower); OLED_printPrg(SEP);
OLED_printDec16(maxpower); OLED_printPrg(mW); OLED_printDec16(maxpower); OLED_printPrg(mW);
break; break;
case 3: // ATtiny25 without decimal places to fit into the flash case 3: // ATtiny25 without decimal places to make it fit into the flash
#if defined(__AVR_ATtiny25__) #if defined(__AVR_ATtiny25__)
OLED_setCursor(32,0); OLED_setCursor(32,0);
OLED_printDec16(capacity / 1000); OLED_printPrg(mAh); OLED_printDec16(capacity / 1000); OLED_printPrg(mAh);