renderbug-cpp/firmware/Config.cpp
2019-05-09 22:17:29 -07:00

131 lines
3.0 KiB
C++

#include "./Config.h"
#include "./Static.h"
HardwareConfig
HardwareConfig::load() {
HardwareConfig ret;
EEPROM.get(0, ret);
return ret;
}
void
HardwareConfig::save() {
HardwareConfig dataCopy{*this};
dataCopy.checksum = getCRC();
EEPROM.put(0, dataCopy);
}
bool
HardwareConfig::isValid() const
{
return version == 1 && checksum == getCRC();
}
uint8_t
HardwareConfig::getCRC() const
{
const unsigned char* message = reinterpret_cast<const unsigned char*>(&data);
constexpr uint8_t length = sizeof(data);
unsigned char i, j, crc = 0;
for(i = 0; i < length; i++) {
crc ^= message[i];
for(j = 0; j < 8; j++) {
if (crc & 1) {
crc ^= CRC7_POLY;
}
crc >>= 1;
}
}
return crc;
}
void
ConfigService::onStart()
{
Log.info("Starting configuration...");
m_config = HardwareConfig::load();
if (m_config.isValid()) {
Log.info("Configuration found!");
} else {
Log.info("No configuration found. Writing defaults...");
m_config = HardwareConfig{};
m_config.save();
}
m_pixelCount = AnimatedNumber{m_config.data.pixelCount};
m_startPixel = AnimatedNumber{m_config.data.startPixel};
Log.info("Configured to use %d pixels, starting at %d", m_pixelCount.value(), m_startPixel.value());
Log.info("Loading task states...");
for(int i = 0; i < 32; i++) {
auto svc = m_config.data.serviceStates[i];
if (strlen(svc.name) > 0) {
Log.info("* %s: %s", svc.name, svc.isRunning ? "RUNNING" : "STOPPED");
}
}
}
void
ConfigService::onConnected()
{
Log.info("Connecting photon configuration...");
Particle.function("pixelCount", &ConfigService::setPixelCount, this);
Particle.function("startPixel", &ConfigService::setStartPixel, this);
Particle.function("save", &ConfigService::photonSave, this);
Particle.variable("pixelCount", m_pixelCountInt);
Particle.variable("startPixel", m_startPixelInt);
publishConfig();
}
void
ConfigService::loop()
{
m_startPixel.update();
m_pixelCount.update();
m_coordMap.startPixel = m_startPixel;
m_coordMap.pixelCount = m_pixelCount;
}
void
ConfigService::handleEvent(const InputEvent &evt)
{
if (evt.intent == InputEvent::NetworkStatus) {
onConnected();
}
}
void
ConfigService::publishConfig() const
{
char buf[255];
snprintf(buf, sizeof(buf), "{\"pixels\": \"%d\", \"offset\": \"%d\"}", m_config.data.pixelCount, m_config.data.startPixel);
Particle.publish("renderbug/config", buf, PRIVATE);
}
int
ConfigService::photonSave(String command)
{
m_config.save();
return 0;
}
int
ConfigService::setPixelCount(String command)
{
m_config.data.pixelCount = command.toInt();
m_pixelCount = m_config.data.pixelCount;
publishConfig();
return 0;
}
int
ConfigService::setStartPixel(String command)
{
m_config.data.startPixel = command.toInt();
m_startPixel = m_config.data.startPixel;
publishConfig();
return 0;
}
STATIC_ALLOC(ConfigService);