#pragma once #include "ibutton.h" #include "one_wire_gpio.h" #include "maxim_crc.h" class AppiButtonModeDallasRead : public AppTemplateMode { public: const char* name = "dallas read"; AppiButton* app; OneWireGpio* onewire; void event(AppiButtonEvent* event, AppiButtonState* state); void render(Canvas* canvas, AppiButtonState* state); void acquire(); void release(); AppiButtonModeDallasRead(AppiButton* parent_app) { app = parent_app; // TODO open record const GpioPin* one_wire_pin_record = &ibutton_gpio; onewire = new OneWireGpio(one_wire_pin_record); }; }; void AppiButtonModeDallasRead::event(AppiButtonEvent* event, AppiButtonState* state) { if(event->type == AppiButtonEvent::EventTypeTick) { bool result = 0; uint8_t address[8]; osKernelLock(); result = onewire->reset(); osKernelUnlock(); if(result) { printf("device on line\n"); delay(50); osKernelLock(); onewire->write(0x33); onewire->read_bytes(address, 8); osKernelUnlock(); printf("address: %x", address[0]); for(uint8_t i = 1; i < 8; i++) { printf(":%x", address[i]); } printf("\n"); printf("crc8: %x\n", maxim_crc8(address, 7)); if(maxim_crc8(address, 8) == 0) { printf("CRC valid\n"); memcpy(app->state.dallas_address[app->state.dallas_address_index], address, 8); app->blink_green(); } else { printf("CRC invalid\n"); } } else { } } else if(event->type == AppiButtonEvent::EventTypeKey) { if(event->value.input.state && event->value.input.input == InputUp) { app->decrease_dallas_address(); } if(event->value.input.state && event->value.input.input == InputDown) { app->increase_dallas_address(); } } } void AppiButtonModeDallasRead::render(Canvas* canvas, AppiButtonState* state) { canvas_set_font(canvas, FontSecondary); canvas_draw_str(canvas, 2, 25, "Dallas read >"); app->render_dallas_list(canvas, state); } void AppiButtonModeDallasRead::acquire() { onewire->start(); } void AppiButtonModeDallasRead::release() { onewire->stop(); }