marcel
/
RNode_Firmware_CE
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improved ESP32 compatibility

Browse Source
master
Mark Qvist 3 years ago
parent 7cc777ff3f
commit 1afc9fd2a9
2 changed files with 104 additions and 133 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      Config.h
  2. 235
      RNode_Firmware.ino

2
Config.h
Unescape View File

@ -83,7 +83,7 @@
#define BOARD_MODEL BOARD_TBEAM
#define CONFIG_UART_BUFFER_SIZE 64
#define CONFIG_UART_BUFFER_SIZE 6144
#define CONFIG_QUEUE_SIZE 6144
#define CONFIG_QUEUE_MAX_LENGTH 250

235
RNode_Firmware.ino
Unescape View File

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

Write Preview
Loading…
Cancel
Save