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reformat everything
using @girtsf clang-format prefs settings. This should allow us to turn on auto format in our editors without causing spurious file changes.
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geeksville
@@ -1,16 +1,17 @@
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#include <SPI.h>
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#include "RH_RF95.h"
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#include <RHMesh.h>
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#include <SPI.h>
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#include <assert.h>
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#include <pb_encode.h>
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#include <pb_decode.h>
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#include "MeshRadio.h"
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#include "configuration.h"
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#include "NodeDB.h"
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#include "configuration.h"
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#include <pb_decode.h>
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#include <pb_encode.h>
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/// 16 bytes of random PSK for our _public_ default channel that all devices power up on
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static const uint8_t defaultpsk[] = {0xd4, 0xf1, 0xbb, 0x3a, 0x20, 0x29, 0x07, 0x59, 0xf0, 0xbc, 0xff, 0xab, 0xcf, 0x4e, 0x69, 0xbf};
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static const uint8_t defaultpsk[] = {0xd4, 0xf1, 0xbb, 0x3a, 0x20, 0x29, 0x07, 0x59,
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0xf0, 0xbc, 0xff, 0xab, 0xcf, 0x4e, 0x69, 0xbf};
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/**
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* ## LoRaWAN for North America
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@@ -19,126 +20,125 @@ LoRaWAN defines 64, 125 kHz channels from 902.3 to 914.9 MHz increments.
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The maximum output power for North America is +30 dBM.
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The band is from 902 to 928 MHz. It mentions channel number and its respective channel frequency. All the 13 channels are separated by 2.16 MHz with respect to the adjacent channels.
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Channel zero starts at 903.08 MHz center frequency.
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The band is from 902 to 928 MHz. It mentions channel number and its respective channel frequency. All the 13 channels are
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separated by 2.16 MHz with respect to the adjacent channels. Channel zero starts at 903.08 MHz center frequency.
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*/
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/// Sometimes while debugging it is useful to set this false, to disable rf95 accesses
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bool useHardware = true;
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MeshRadio::MeshRadio(MemoryPool<MeshPacket> &_pool, PointerQueue<MeshPacket> &_rxDest)
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: rf95(_pool, _rxDest),
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manager(rf95)
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MeshRadio::MeshRadio(MemoryPool<MeshPacket> &_pool, PointerQueue<MeshPacket> &_rxDest) : rf95(_pool, _rxDest), manager(rf95)
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{
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myNodeInfo.num_channels = NUM_CHANNELS;
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myNodeInfo.num_channels = NUM_CHANNELS;
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//radioConfig.modem_config = RadioConfig_ModemConfig_Bw125Cr45Sf128; // medium range and fast
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//channelSettings.modem_config = ChannelSettings_ModemConfig_Bw500Cr45Sf128; // short range and fast, but wide bandwidth so incompatible radios can talk together
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channelSettings.modem_config = ChannelSettings_ModemConfig_Bw125Cr48Sf4096; // slow and long range
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// radioConfig.modem_config = RadioConfig_ModemConfig_Bw125Cr45Sf128; // medium range and fast
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// channelSettings.modem_config = ChannelSettings_ModemConfig_Bw500Cr45Sf128; // short range and fast, but wide bandwidth so
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// incompatible radios can talk together
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channelSettings.modem_config = ChannelSettings_ModemConfig_Bw125Cr48Sf4096; // slow and long range
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channelSettings.tx_power = 23;
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memcpy(&channelSettings.psk, &defaultpsk, sizeof(channelSettings.psk));
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strcpy(channelSettings.name, "Default");
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// Can't print strings this early - serial not setup yet
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// DEBUG_MSG("Set meshradio defaults name=%s\n", channelSettings.name);
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channelSettings.tx_power = 23;
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memcpy(&channelSettings.psk, &defaultpsk, sizeof(channelSettings.psk));
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strcpy(channelSettings.name, "Default");
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// Can't print strings this early - serial not setup yet
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// DEBUG_MSG("Set meshradio defaults name=%s\n", channelSettings.name);
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}
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bool MeshRadio::init()
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{
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if (!useHardware)
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return true;
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if (!useHardware)
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return true;
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DEBUG_MSG("Starting meshradio init...\n");
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DEBUG_MSG("Starting meshradio init...\n");
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#ifdef RESET_GPIO
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pinMode(RESET_GPIO, OUTPUT); // Deassert reset
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digitalWrite(RESET_GPIO, HIGH);
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pinMode(RESET_GPIO, OUTPUT); // Deassert reset
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digitalWrite(RESET_GPIO, HIGH);
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// pulse reset
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digitalWrite(RESET_GPIO, LOW);
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delay(10);
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digitalWrite(RESET_GPIO, HIGH);
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delay(10);
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// pulse reset
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digitalWrite(RESET_GPIO, LOW);
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delay(10);
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digitalWrite(RESET_GPIO, HIGH);
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delay(10);
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#endif
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manager.setThisAddress(nodeDB.getNodeNum()); // Note: we must do this here, because the nodenum isn't inited at constructor time.
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manager.setThisAddress(
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nodeDB.getNodeNum()); // Note: we must do this here, because the nodenum isn't inited at constructor time.
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if (!manager.init())
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{
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DEBUG_MSG("LoRa radio init failed\n");
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DEBUG_MSG("Uncomment '#define SERIAL_DEBUG' in RH_RF95.cpp for detailed debug info\n");
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return false;
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}
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if (!manager.init()) {
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DEBUG_MSG("LoRa radio init failed\n");
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DEBUG_MSG("Uncomment '#define SERIAL_DEBUG' in RH_RF95.cpp for detailed debug info\n");
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return false;
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}
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// not needed - defaults on
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// rf95.setPayloadCRC(true);
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// not needed - defaults on
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// rf95.setPayloadCRC(true);
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reloadConfig();
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reloadConfig();
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return true;
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return true;
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}
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/** hash a string into an integer
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*
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*
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* djb2 by Dan Bernstein.
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* http://www.cse.yorku.ca/~oz/hash.html
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*/
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unsigned long hash(char *str)
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{
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unsigned long hash = 5381;
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int c;
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unsigned long hash = 5381;
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int c;
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while ((c = *str++) != 0)
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hash = ((hash << 5) + hash) + (unsigned char)c; /* hash * 33 + c */
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while ((c = *str++) != 0)
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hash = ((hash << 5) + hash) + (unsigned char)c; /* hash * 33 + c */
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return hash;
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return hash;
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}
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void MeshRadio::reloadConfig()
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{
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rf95.setModeIdle(); // Need to be idle before doing init
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rf95.setModeIdle(); // Need to be idle before doing init
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// Set up default configuration
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// No Sync Words in LORA mode.
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rf95.setModemConfig((RH_RF95::ModemConfigChoice)channelSettings.modem_config); // Radio default
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// setModemConfig(Bw125Cr48Sf4096); // slow and reliable?
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// rf95.setPreambleLength(8); // Default is 8
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// Set up default configuration
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// No Sync Words in LORA mode.
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rf95.setModemConfig(
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(RH_RF95::ModemConfigChoice)channelSettings.modem_config); // Radio default
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// setModemConfig(Bw125Cr48Sf4096); // slow and reliable?
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// rf95.setPreambleLength(8); // Default is 8
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// Defaults after init are 434.0MHz, modulation GFSK_Rb250Fd250, +13dbM
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int channel_num = hash(channelSettings.name) % NUM_CHANNELS;
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float center_freq = CH0 + CH_SPACING * channel_num;
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if (!rf95.setFrequency(center_freq))
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{
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DEBUG_MSG("setFrequency failed\n");
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assert(0); // fixme panic
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}
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// Defaults after init are 434.0MHz, modulation GFSK_Rb250Fd250, +13dbM
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int channel_num = hash(channelSettings.name) % NUM_CHANNELS;
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float center_freq = CH0 + CH_SPACING * channel_num;
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if (!rf95.setFrequency(center_freq)) {
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DEBUG_MSG("setFrequency failed\n");
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assert(0); // fixme panic
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}
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// Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
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// Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
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// The default transmitter power is 13dBm, using PA_BOOST.
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// If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then
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// you can set transmitter powers from 5 to 23 dBm:
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// FIXME - can we do this? It seems to be in the Heltec board.
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rf95.setTxPower(channelSettings.tx_power, false);
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// The default transmitter power is 13dBm, using PA_BOOST.
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// If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then
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// you can set transmitter powers from 5 to 23 dBm:
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// FIXME - can we do this? It seems to be in the Heltec board.
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rf95.setTxPower(channelSettings.tx_power, false);
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DEBUG_MSG("Set radio: name=%s. config=%u, ch=%d, txpower=%d\n", channelSettings.name, channelSettings.modem_config, channel_num, channelSettings.tx_power);
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DEBUG_MSG("Set radio: name=%s. config=%u, ch=%d, txpower=%d\n", channelSettings.name, channelSettings.modem_config,
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channel_num, channelSettings.tx_power);
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// Done with init tell radio to start receiving
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rf95.setModeRx();
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// Done with init tell radio to start receiving
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rf95.setModeRx();
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}
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ErrorCode MeshRadio::send(MeshPacket *p)
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{
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if (useHardware)
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return rf95.send(p);
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else
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{
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rf95.pool.release(p);
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return ERRNO_OK;
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}
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if (useHardware)
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return rf95.send(p);
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else {
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rf95.pool.release(p);
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return ERRNO_OK;
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}
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}
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void MeshRadio::loop()
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{
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// Currently does nothing, since we do it all in ISRs now
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// Currently does nothing, since we do it all in ISRs now
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}
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