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JQ8400FL.cpp
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JQ8400FL.cpp
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#include <Arduino.h>
#include "JQ8400FL.h"
JQ8400FL::JQ8400FL(Stream * stream)
{
m_Stream = stream;
m_Stream->setTimeout(1000);
}
uint16_t JQ8400FL::sendByte(byte value, uint16_t checksum)
{
m_Stream->write(value);
return (checksum + value) & 0xFF;
}
void JQ8400FL::sendCmd(byte cmd, byte value)
{
uint8_t checksum = 0;
checksum = sendByte(JQ8400_START_COMMAND, checksum);
checksum = sendByte(cmd, checksum);
checksum = sendByte(0x01, checksum);
checksum = sendByte(value, checksum);
sendByte((byte)checksum, checksum);
}
void JQ8400FL::volumeSet(uint8_t val)
{
sendCmd(JQ8400_VOLUME_SET, (byte)val);
}
void JQ8400FL::begin()
{
index = 0;
}
void JQ8400FL::push(char * data)
{
memcpy(sequence + index, data, strlen(data));
index += strlen(data);
}
void JQ8400FL::commit()
{
uint8_t checksum = 0;
checksum = sendByte(JQ8400_START_COMMAND, checksum);
checksum = sendByte(JQ8400_COMBINED_PLAYBACK, checksum);
checksum = sendByte((byte)index, checksum);
for (int i=0; i<index; i++)
{
checksum = sendByte(sequence[i], checksum);
}
sendByte((byte)checksum, checksum);
}