From 8934a7566a038a74464d3d8df9d04fd875e5b1d7 Mon Sep 17 00:00:00 2001 From: lironh Date: Sat, 21 Mar 2020 09:52:53 +0200 Subject: refactor: added peripherals and cpu feature folders --- src/gpio.spec.ts | 86 -------------------------------------------------------- 1 file changed, 86 deletions(-) delete mode 100644 src/gpio.spec.ts (limited to 'src/gpio.spec.ts') diff --git a/src/gpio.spec.ts b/src/gpio.spec.ts deleted file mode 100644 index 2fa866d..0000000 --- a/src/gpio.spec.ts +++ /dev/null @@ -1,86 +0,0 @@ -import { CPU } from './cpu'; -import { AVRIOPort, portBConfig, PinState } from './gpio'; - -describe('GPIO', () => { - it('should invoke the listeners when the port is written to', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - const listener = jest.fn(); - port.addListener(listener); - cpu.writeData(0x24, 0x0f); // DDRB <- 0x0f - cpu.writeData(0x25, 0x55); // PORTB <- 0x55 - expect(listener).toHaveBeenCalledWith(0x05, 0); - expect(cpu.data[0x23]).toEqual(0x5); // PINB should return port value - }); - - it('should toggle the pin when writing to the PIN register', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - const listener = jest.fn(); - port.addListener(listener); - cpu.writeData(0x24, 0x0f); // DDRB <- 0x0f - cpu.writeData(0x25, 0x55); // PORTB <- 0x55 - cpu.writeData(0x23, 0x01); // PINB <- 0x0f - expect(listener).toHaveBeenCalledWith(0x04, 0x5); - expect(cpu.data[0x23]).toEqual(0x4); // PINB should return port value - }); - - describe('removeListener', () => { - it('should remove the given listener', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - const listener = jest.fn(); - port.addListener(listener); - cpu.writeData(0x24, 0x0f); // DDRB <- 0x0f - port.removeListener(listener); - cpu.writeData(0x25, 0x99); // PORTB <- 0x99 - expect(listener).not.toHaveBeenCalled(); - }); - }); - - describe('pinState', () => { - it('should return PinState.High when the pin set to output and HIGH', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - cpu.writeData(0x24, 0x1); // DDRB <- 0x1 - cpu.writeData(0x25, 0x1); // PORTB <- 0x1 - expect(port.pinState(0)).toEqual(PinState.High); - }); - - it('should return PinState.Low when the pin set to output and LOW', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - cpu.writeData(0x24, 0x8); // DDRB <- 0x8 - cpu.writeData(0x25, 0xf7); // PORTB <- 0xF7 (~8) - expect(port.pinState(3)).toEqual(PinState.Low); - }); - - it('should return PinState.Input by default (reset state)', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - expect(port.pinState(1)).toEqual(PinState.Input); - }); - - it('should return PinState.InputPullUp when the pin is set to input with pullup', () => { - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - cpu.writeData(0x24, 0); // DDRB <- 0 - cpu.writeData(0x25, 0x2); // PORTB <- 0x2 - expect(port.pinState(1)).toEqual(PinState.InputPullUp); - }); - - it('should reflect the current port state when called inside a listener', () => { - // Related issue: https://github.com/wokwi/avr8js/issues/9 - const cpu = new CPU(new Uint16Array(1024)); - const port = new AVRIOPort(cpu, portBConfig); - const listener = jest.fn(() => { - expect(port.pinState(0)).toBe(PinState.High); - }); - port.addListener(listener); - expect(port.pinState(0)).toBe(PinState.Input); - cpu.writeData(0x24, 0x01); // DDRB <- 0x01 - cpu.writeData(0x25, 0x01); // PORTB <- 0x01 - expect(listener).toHaveBeenCalled(); - }); - }); -}); -- cgit v1.2.3