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* fix(cpu): don't clear RAM on reset #107Uri Shaked2022-04-301-1/+0
| | | | wokwi/wokwi-features#282
* fix(timer): Phase Correct mode overruns #119Uri Shaked2022-03-222-2/+67
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* fix(timer): OCRH masking #117Uri Shaked2022-02-212-3/+29
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* style(instruction.spec): add comments for missing instruction tests and ↵Dudeplayz2022-02-071-33/+103
| | | | reorder tests according to the AVR datasheet
* test(instruction): add ADD, SUB and WDR unit testsDudeplayz2022-02-071-0/+54
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* test(watchdog): more robust testsUri Shaked2022-02-071-0/+2
| | | | add assertions, fix #115
* perf(cpu): speed up interruptsUri Shaked2022-01-201-11/+28
| | | | | | code which makes heavy use of interrupts considerably slows down the simulator. E.g. that transmit programs large amount of data over SPI. See wokwi/wokwi-features#280 for an example.
* fix(twi): fails on repeated start conditionUri Shaked2021-12-131-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | reproduction: https://wokwi.com/arduino/projects/306115576172905024 minimal reproduction code: ```cpp #include <Wire.h> void setup() { Serial.begin(115200); Wire.begin(); Wire.beginTransmission(0x68); Wire.write( 0x3B); Wire.endTransmission( false); // <---- Fails after this auto n = Wire.requestFrom(0x68, 6); if (n == 6) { int16_t AcX = Wire.read() << 8 | Wire.read(); // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L) int16_t AcY = Wire.read() << 8 | Wire.read(); // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L) int16_t AcZ = Wire.read() << 8 | Wire.read(); // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L) Serial.print( "AcX = "); Serial.print( AcX); Serial.print( " | AcY = "); Serial.print( AcY); Serial.print( " | AcZ = "); Serial.print( AcZ); Serial.println(); } else { Serial.println( "--------- ERROR ---------"); } } void loop() {} ```
* feat(spi): add `onByte` callbackUri Shaked2021-10-302-19/+44
| | | | | | a more versatile alternative to the `onTransfer` callback. Depracate `onTransfer()`.
* fix(timer): setting TCNT doesn't update OCRA #111Uri Shaked2021-10-292-0/+44
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* fix(eeprom): EEPROM interrupt not firing #110Uri Shaked2021-10-243-5/+35
| | | | fix #110
* fix(spi): setting SPIE doesn't fire pending interruptUri Shaked2021-10-222-0/+25
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* feat(timer): Force Output Compare (FOC) bitsUri Shaked2021-10-072-5/+98
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* feat(timer): 3rd output compare (OCRnC) #96Uri Shaked2021-09-142-13/+170
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* refactor: remove the ICPU interfaceUri Shaked2021-09-104-34/+19
| | | | Removing the interface simplifies the code
* feat(adc): ADC peripheral #13Uri Shaked2021-09-103-0/+405
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* feat(watchdog): implement watchdog timer #106Uri Shaked2021-09-105-1/+357
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* fix(gpio): CBI/SBI handling in writes to PIN register #103Uri Shaked2021-09-074-8/+50
| | | | fix #103
* feat(timer): external timer support #97Uri Shaked2021-08-155-95/+171
| | | | | | also refactor timer/GPIO interaction to be more generic. close #97
* chore(deps): prettier 2.3.2Uri Shaked2021-08-151-16/+2
| | | | also reformat all the code with the new version
* fix(gpio): timer outputs not reflected in PIN register #102Uri Shaked2021-08-132-8/+22
| | | | fix #102
* fix(gpio): PWM may leaves pins in high stateUri Shaked2021-08-091-0/+1
| | | | Disabling PWM when a GPIO pin is high will cause the pin to get stuck in high state.
* style(spi): remove redundant whitespace from commentsUri Shaked2021-08-071-2/+2
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* feat(usart): add `immediate` parameter to writeByte()Uri Shaked2021-07-171-8/+12
| | | | The value will be available immediately to the user program instead of waiting one symbol time before making it available.
* fix(usart): tx / rx complete timingUri Shaked2021-07-161-1/+1
| | | | fix the calculation of cyclesPerChar, which is used to determine when a USART RX/TX operation is marked complete.
* feat(usart): add configuration change eventUri Shaked2021-07-152-3/+95
| | | | also add `txEnable` and `rxEnable` properties
* fix(timer): only set ICR hook for 16-bit timersUri Shaked2021-07-071-3/+3
| | | | The ICR (Input Capture Register) only exists for 16-bit timers.
* feat(gpio): external interrupt/PCINT support (#82)Uri Shaked2021-07-074-18/+459
| | | close #70, #84
* perf(cpu): speed up event systemUri Shaked2021-06-201-25/+47
| | | | | | Use a linked list instead of array. This makes the simulator runs almost twice as fast in case of timers with prescaler of 1, e.g. when using the TVout library. In addition, we use a pool of clock event objects to avoid expensive GCs.
* fix(timer): Timer1 PWM issues #94Uri Shaked2021-06-192-2/+24
| | | | close #94
* fix(twi): broken repeated start #91Uri Shaked2021-04-152-1/+26
| | | | fix #91
* feat(usart): implement RX #11Uri Shaked2021-02-194-7/+99
| | | | close #11
* fix: typo in parameter nameUri Shaked2021-01-023-6/+6
| | | | | freqMHz → freqHz in SPI, TWI, and USART: they all expect the frequency in hertz, not mega-hertz.
* fix(timer): delay() is inaccurate #81Uri Shaked2020-12-292-21/+26
| | | | fix #81
* fix(timer): Output Compare in PWM modes #78Uri Shaked2020-12-276-67/+353
| | | | close #78
* fix(timer): Overflow interrupt fires twice #80Uri Shaked2020-12-262-7/+45
| | | | fix #80
* fix(timer): Output Compare sometimes misses Compare Match #79Uri Shaked2020-12-252-6/+45
| | | | fix #79
* fix(timer): Output Compare issue #74Uri Shaked2020-12-212-10/+28
| | | | | | output compare doesn't work when the OCR register (OCRnA/OCRnB) equals to 0 fix #74
* fix(timer): TOV flag does not update correctly #75Uri Shaked2020-12-202-20/+56
| | | | fix #75
* fix(timer): OCR values should be buffered #76Uri Shaked2020-12-202-11/+125
| | | | fix #76
* perf(cpu): speed up event systemUri Shaked2020-12-122-18/+59
| | | | ditch `array.sort()` and instead manually keep the array sorted when we insert a new item.
* test(cpu): fix implicit any errorUri Shaked2020-12-121-3/+5
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* fix(cpu): event system issueUri Shaked2020-12-122-2/+63
| | | | | | | `updateClockEvent()` and `clearClockEvent()` would sometimes mess up the list of events. This could cause unexpected behavior when you have multiple timers running. Also added regression tests for these methods.
* fix(timer): Incorrect count when stopping a timerUri Shaked2020-12-122-18/+41
| | | | fix #72
* perf!: centeral timekeepingUri Shaked2020-12-0912-221/+222
| | | | | | | | | This should improve performance, especially when running simulations with multiple peripherals. For instance, the demo project now runs at ~322%, up from ~185% in AVR8js 0.13.1. BREAKING CHANGE: `tick()` methods were removed from individual peripherals. You now need to call `cpu.tick()` instead.
* refactor: central interrupt handling #38Uri Shaked2020-12-0912-92/+285
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* test(cpu): improve test nameUri Shaked2020-12-091-1/+1
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* fix(usart): respect the given baud rate #16Uri Shaked2020-11-272-54/+150
| | | | close #16
* feat(clock): Clock Prescale (CLKPR) support #68Uri Shaked2020-11-253-0/+185
| | | | close #68
* feat: Support for simulating ATtinyx5 (e.g. ATtiny85) timers #64Uri Shaked2020-11-142-12/+60
| | | | close #64
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