85 lines
1.4 KiB
C++
85 lines
1.4 KiB
C++
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#include <Arduino.h>
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#include <avr/pgmspace.h>
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#include "data.hpp"
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#include "serial.hpp"
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#include "eeprom.hpp"
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#include "scheduler.hpp"
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#include "indicator.hpp"
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#include "dac.hpp"
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using namespace data;
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static Mode mode = Mode::none;
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static void flash_data() {
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uint32_t at = 0;
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uint16_t count;
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char buffer[eeprom::PAGE_SIZE];
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do {
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count = serial::read(buffer, eeprom::PAGE_SIZE);
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eeprom::page_write(at, buffer);
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at += eeprom::PAGE_SIZE;
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delay(10);
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} while(count == eeprom::PAGE_SIZE);
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while(serial::is_connected()) {
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serial::get();
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}
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}
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void data::update() {
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static int last = 2;
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int now = serial::is_connected() ? 1 : 0;
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if(last == now) {
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return;
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}
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dac::reset();
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indicator::reset();
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last = now;
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if(now) {
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while(serial::dev.available()) {
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serial::get();
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}
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delay(10);
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serial::write("\x19\xc1\x6c\x19\x5b\x6f\xd2\x44", 8);
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mode = serial::get();
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switch(mode) {
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case Mode::flash:
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flash_data();
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mode = Mode::none;
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break;
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case Mode::local:
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eeprom::jump(0);
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scheduler::reset();
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break;
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case Mode::stream:
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scheduler::reset();
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break;
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}
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} else {
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mode = Mode::local;
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eeprom::jump(0);
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scheduler::reset();
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}
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}
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unsigned data::read(char* data, unsigned len) {
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unsigned count = 0;
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switch(mode) {
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case Mode::local:
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eeprom::read(data, len);
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count = len;
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break;
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case Mode::stream:
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count = serial::read(data, len);
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break;
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}
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for(unsigned i = count; i < len; i++) {
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data[i] = 0;
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}
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return count;
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}
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