// Set one of the canned FSK Modem configs
// Returns true if its a valid choice
bool RF22::setModemConfig(ModemConfigChoice index) {
if (index > (sizeof(MODEM_CONFIG_TABLE) / sizeof(ModemConfig)))
return false;
RF22::ModemConfig cfg = MODEM_CONFIG_TABLE[index];
setModemRegisters(&cfg);
return true;
}
// Set one of the canned Modem configs
// Returns true if its a valid choice
bool RH_RF24::setModemConfig(ModemConfigChoice index)
{
if (index > (signed int)(sizeof(MODEM_CONFIG_TABLE) / sizeof(ModemConfig)))
return false;
ModemConfig cfg;
memcpy_P(&cfg, &MODEM_CONFIG_TABLE[index], sizeof(RH_RF24::ModemConfig));
setModemRegisters(&cfg);
return true;
}
// Set one of the canned FSK Modem configs
// Returns true if its a valid choice
uint8_t RF22::setModemConfig(ModemConfigChoice index)
{
if (index > (sizeof(MODEM_CONFIG_TABLE) / sizeof(ModemConfig)))
return false;
RF22::ModemConfig cfg;
// memcpy_P(&cfg, &MODEM_CONFIG_TABLE[index], sizeof(RF22::ModemConfig)); // !!!!!!!!!!!!!!!!!!! MIGHT CAUSE ISSUES
memcpy(&cfg, &MODEM_CONFIG_TABLE[index], sizeof(RF22::ModemConfig));
setModemRegisters(&cfg);
return true;
}
bool MaxRF22::init() {
if (!RF22::init())
return false;
setModemRegisters(&config);
setFrequency(868.3, 0.035);
/* Disable TX packet control, since the RF22 doesn't do proper
* whitening so can't read the length header or CRC. We need RX packet
* control so the RF22 actually sends pkvalid interrupts when the
* manually set packet length is reached. */
// spiWrite(RF22_REG_2A_AFC_LIMITER, 0x1C);
spiWrite(RF22_REG_30_DATA_ACCESS_CONTROL, RF22_MSBFRST | RF22_ENPACRX|RF22_ENPACTX);
/* No packet headers, 4 sync words, fixed packet length */
spiWrite(RF22_REG_32_HEADER_CONTROL1, RF22_BCEN_NONE | RF22_HDCH_NONE);
spiWrite(RF22_REG_33_HEADER_CONTROL2, RF22_HDLEN_0 | RF22_FIXPKLEN | RF22_SYNCLEN_4);
setSyncWords(sync_words, sizeof(sync_words));
/* Detect preamble after 4 nibbles */
spiWrite(RF22_REG_35_PREAMBLE_DETECTION_CONTROL1, (0x4 << 3));
/* Send 8 bytes of preamble */
setPreambleLength(255); // in nibbles
spiWrite(RF22_REG_3E_PACKET_LENGTH, 20);
return true;
}
