eive/eive_arduino_interface
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packet field beautified

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This commit is contained in:
Robin Müller 2020-10-13 00:45:05 +02:00
parent 8e97270bb7
commit da92a31910
1 changed files with 17 additions and 18 deletions
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35
main.cpp
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@ -52,25 +52,26 @@ void transferSPI(uint8_t address, uint8_t *data, size_t datalen) {
} }
void handlePacket(uint8_t *packet, size_t packetLen) { void handlePacket(uint8_t *packet, size_t packetLen) {
//Paket layout is: /* Paket layout is:
// byte -------------------- ------------------------------
// 1 | 8 bit command | |byte | field |
// -------------------- | | |
// 1 | 8 bit address | |------------------------------|
// -------------------- |1 | 8 bit command |
// 2 | 16bit length | |------------------------------|
// -------------------- |1 | 8 bit address |
// length | <length> byte data | |------------------------------|
// -------------------- |2 | 16bit length |
// 2 | 16 bit crc | |------------------------------|
// -------------------- |length | <length> byte data |
|------------------------------|
|2 | 16 bit crc |
|------------------------------|
------------------------------
*/
uint16_t crc = Calculate_CRC(packet, packetLen); uint16_t crc = Calculate_CRC(packet, packetLen);
if (crc != 0) { if (crc != 0) {
Serial.println("invalid Checksum"); Serial.println("invalid Checksum");
return; return;
@ -86,8 +87,6 @@ void handlePacket(uint8_t *packet, size_t packetLen) {
uint8_t command = packet[0]; uint8_t command = packet[0];
uint8_t address = packet[1]; uint8_t address = packet[1];
switch (command) { switch (command) {
case COMMAND_TRANSFER_SPI: case COMMAND_TRANSFER_SPI:
transferSPI(address, packet + 4, payloadLen); transferSPI(address, packet + 4, payloadLen);