mirror of
https://github.com/liberatedsystems/RNode_Firmware_CE.git
synced 2024-07-02 14:34:13 +02:00
Improved ESP32 compatibility
This commit is contained in:
Mark Qvist
parent
7cc777ff3f
commit
1afc9fd2a9
2
Config.h
2
Config.h
@ -83,7 +83,7 @@
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#define BOARD_MODEL BOARD_TBEAM
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#define CONFIG_UART_BUFFER_SIZE 64
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#define CONFIG_UART_BUFFER_SIZE 6144
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#define CONFIG_QUEUE_SIZE 6144
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#define CONFIG_QUEUE_MAX_LENGTH 250
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@ -22,18 +22,13 @@ volatile bool serial_buffering = false;
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char sbuf[128];
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#if MCU_VARIANT == MCU_ESP32
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#include "soc/rtc_wdt.h"
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#define ISR_VECT IRAM_ATTR
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bool packet_ready = false;
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#else
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#define ISR_VECT
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#endif
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void setup() {
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#if MCU_VARIANT == MCU_ESP32
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delay(500);
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EEPROM.begin(EEPROM_SIZE);
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// TODO: Check this
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Serial.setRxBufferSize(CONFIG_UART_BUFFER_SIZE);
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#endif
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@ -69,16 +64,9 @@ void setup() {
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// pins for the LoRa module
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LoRa.setPins(pin_cs, pin_reset, pin_dio);
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#if MCU_VARIANT == MCU_ESP32
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// ESP32-specific initialisation
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Serial1.begin(GPS_BAUD_RATE, SERIAL_8N1, PIN_GPS_RX, PIN_GPS_TX);
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// rtc_wdt_protect_off();
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// rtc_wdt_set_stage(RTC_WDT_STAGE0, RTC_WDT_STAGE_ACTION_RESET_SYSTEM);
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// rtc_wdt_set_time(RTC_WDT_STAGE0, 25);
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// rtc_wdt_protect_on();
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// rtc_wdt_enable();
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#if MCU_VARIANT == MCU_ESP32
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Wire.begin(I2C_SDA, I2C_SCL);
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initPMU();
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kiss_indicate_reset();
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#endif
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@ -97,7 +85,7 @@ void lora_receive() {
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inline void kiss_write_packet() {
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Serial.write(FEND);
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Serial.write(CMD_DATA);
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for (int i = 0; i < read_len; i++) {
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for (uint16_t i = 0; i < read_len; i++) {
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uint8_t byte = pbuf[i];
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if (byte == FEND) { Serial.write(FESC); byte = TFEND; }
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if (byte == FESC) { Serial.write(FESC); byte = TFESC; }
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@ -110,123 +98,89 @@ inline void kiss_write_packet() {
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#endif
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}
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inline void getPacketData(int len) {
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inline void getPacketData(uint16_t len) {
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while (len-- && read_len < MTU) {
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pbuf[read_len++] = LoRa.read();
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}
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}
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#if MCU_VARIANT == MCU_ESP32
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portMUX_TYPE isr_lock = portMUX_INITIALIZER_UNLOCKED;
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#endif
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bool handling_packet = false;
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void ISR_VECT receive_callback(int packet_size) {
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#if MCU_VARIANT == MCU_ESP32
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portENTER_CRITICAL_ISR(&isr_lock);
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#endif
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if (!promisc) {
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// The standard operating mode allows large
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// packets with a payload up to 500 bytes,
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// by combining two raw LoRa packets.
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// We read the 1-byte header and extract
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// packet sequence number and split flags
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uint8_t header = LoRa.read(); packet_size--;
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uint8_t sequence = packetSequence(header);
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bool ready = false;
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#if MCU_VARIANT == MCU_ESP32
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if (!handling_packet) {
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handling_packet = true;
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#endif
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if (isSplitPacket(header) && seq == SEQ_UNSET) {
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// This is the first part of a split
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// packet, so we set the seq variable
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// and add the data to the buffer
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read_len = 0;
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seq = sequence;
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if (!promisc) {
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// The standard operating mode allows large
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// packets with a payload up to 500 bytes,
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// by combining two raw LoRa packets.
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// We read the 1-byte header and extract
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// packet sequence number and split flags
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uint8_t header = LoRa.read(); packet_size--;
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uint8_t sequence = packetSequence(header);
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bool ready = false;
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if (isSplitPacket(header) && seq == SEQ_UNSET) {
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// This is the first part of a split
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// packet, so we set the seq variable
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// and add the data to the buffer
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read_len = 0;
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seq = sequence;
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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#endif
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getPacketData(packet_size);
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} else if (isSplitPacket(header) && seq == sequence) {
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// This is the second part of a split
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// packet, so we add it to the buffer
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// and set the ready flag.
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = (last_rssi+LoRa.packetRssi())/2;
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last_snr_raw = (last_snr_raw+LoRa.packetSnrRaw())/2;
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#endif
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getPacketData(packet_size);
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seq = SEQ_UNSET;
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ready = true;
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} else if (isSplitPacket(header) && seq != sequence) {
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// This split packet does not carry the
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// same sequence id, so we must assume
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// that we are seeing the first part of
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// a new split packet.
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read_len = 0;
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seq = sequence;
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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#endif
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getPacketData(packet_size);
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} else if (!isSplitPacket(header)) {
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// This is not a split packet, so we
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// just read it and set the ready
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// flag to true.
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if (seq != SEQ_UNSET) {
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// If we already had part of a split
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// packet in the buffer, we clear it.
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read_len = 0;
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seq = SEQ_UNSET;
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}
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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#endif
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getPacketData(packet_size);
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ready = true;
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}
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if (ready) {
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#if MCU_VARIANT != MCU_ESP32
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// We first signal the RSSI of the
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// recieved packet to the host.
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kiss_indicate_stat_rssi();
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kiss_indicate_stat_snr();
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// And then write the entire packet
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kiss_write_packet();
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#else
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packet_ready = true;
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#endif
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}
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} else {
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#if MCU_VARIANT != MCU_ESP32
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// In promiscuous mode, raw packets are
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// output directly to the host
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read_len = 0;
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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getPacketData(packet_size);
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#endif
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getPacketData(packet_size);
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} else if (isSplitPacket(header) && seq == sequence) {
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// This is the second part of a split
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// packet, so we add it to the buffer
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// and set the ready flag.
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = (last_rssi+LoRa.packetRssi())/2;
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last_snr_raw = (last_snr_raw+LoRa.packetSnrRaw())/2;
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#endif
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getPacketData(packet_size);
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seq = SEQ_UNSET;
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ready = true;
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} else if (isSplitPacket(header) && seq != sequence) {
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// This split packet does not carry the
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// same sequence id, so we must assume
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// that we are seeing the first part of
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// a new split packet.
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read_len = 0;
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seq = sequence;
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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#endif
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getPacketData(packet_size);
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} else if (!isSplitPacket(header)) {
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// This is not a split packet, so we
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// just read it and set the ready
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// flag to true.
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if (seq != SEQ_UNSET) {
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// If we already had part of a split
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// packet in the buffer, we clear it.
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read_len = 0;
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seq = SEQ_UNSET;
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}
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#if MCU_VARIANT != MCU_ESP32
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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#endif
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getPacketData(packet_size);
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ready = true;
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}
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if (ready) {
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#if MCU_VARIANT != MCU_ESP32
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// We first signal the RSSI of the
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// recieved packet to the host.
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kiss_indicate_stat_rssi();
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@ -234,21 +188,33 @@ void ISR_VECT receive_callback(int packet_size) {
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// And then write the entire packet
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kiss_write_packet();
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#else
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read_len = 0;
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getPacketData(packet_size);
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packet_ready = true;
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#endif
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#if MCU_VARIANT == MCU_ESP32
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}
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handling_packet = false;
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}
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} else {
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#if MCU_VARIANT != MCU_ESP32
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// In promiscuous mode, raw packets are
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// output directly to the host
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read_len = 0;
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last_rssi = LoRa.packetRssi();
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last_snr_raw = LoRa.packetSnrRaw();
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getPacketData(packet_size);
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// We first signal the RSSI of the
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// recieved packet to the host.
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kiss_indicate_stat_rssi();
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kiss_indicate_stat_snr();
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// And then write the entire packet
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kiss_write_packet();
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#else
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read_len = 0;
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getPacketData(packet_size);
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packet_ready = true;
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#endif
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}
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#if MCU_VARIANT == MCU_ESP32
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portEXIT_CRITICAL_ISR(&isr_lock);
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#endif
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}
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@ -628,9 +594,22 @@ void serialCallback(uint8_t sbyte) {
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}
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}
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#if MCU_VARIANT == MCU_ESP32
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portMUX_TYPE update_lock = portMUX_INITIALIZER_UNLOCKED;
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#endif
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void updateModemStatus() {
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#if MCU_VARIANT == MCU_ESP32
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portENTER_CRITICAL(&update_lock);
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#endif
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uint8_t status = LoRa.modemStatus();
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last_status_update = millis();
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#if MCU_VARIANT == MCU_ESP32
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portEXIT_CRITICAL(&update_lock);
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#endif
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if (status & SIG_DETECT == SIG_DETECT) { stat_signal_detected = true; } else { stat_signal_detected = false; }
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if (status & SIG_SYNCED == SIG_SYNCED) { stat_signal_synced = true; } else { stat_signal_synced = false; }
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if (status & RX_ONGOING == RX_ONGOING) { stat_rx_ongoing = true; } else { stat_rx_ongoing = false; }
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@ -801,14 +780,6 @@ void buffer_serial() {
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#endif
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}
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#if MCU_VARIANT == MCU_ESP32
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// Discard GPS data for now
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c = 0;
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while (c < MAX_CYCLES && Serial1.available()) {
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Serial1.read();
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}
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#endif
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serial_buffering = false;
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}
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}
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