797 lines
18 KiB
C
797 lines
18 KiB
C
#include <EEPROM.h>
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#include <stddef.h>
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#include "LoRa.h"
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#include "ROM.h"
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#include "Config.h"
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#include "Framing.h"
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#include "MD5.h"
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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#include <avr/wdt.h>
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#include <util/atomic.h>
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#elif MCU_VARIANT == MCU_ESP32
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// TODO: Hard reset on ESP32
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#endif
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uint8_t boot_vector = 0x00;
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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uint8_t OPTIBOOT_MCUSR __attribute__ ((section(".noinit")));
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void resetFlagsInit(void) __attribute__ ((naked)) __attribute__ ((used)) __attribute__ ((section (".init0")));
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void resetFlagsInit(void) {
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__asm__ __volatile__ ("sts %0, r2\n" : "=m" (OPTIBOOT_MCUSR) :);
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}
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#elif MCU_VARIANT == MCU_ESP32
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// TODO: Get ESP32 boot flags
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#endif
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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void led_rx_on() { digitalWrite(pin_led_rx, HIGH); }
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void led_rx_off() { digitalWrite(pin_led_rx, LOW); }
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void led_tx_on() { digitalWrite(pin_led_tx, HIGH); }
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void led_tx_off() { digitalWrite(pin_led_tx, LOW); }
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#elif MCU_VARIANT == MCU_ESP32
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void led_rx_on() { digitalWrite(pin_led_rx, LOW); }
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void led_rx_off() { digitalWrite(pin_led_rx, HIGH); }
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void led_tx_on() { digitalWrite(pin_led_tx, LOW); }
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void led_tx_off() { digitalWrite(pin_led_tx, HIGH); }
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#endif
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void hard_reset(void) {
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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wdt_enable(WDTO_15MS);
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while(true) {
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led_tx_on(); led_rx_off();
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}
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#elif MCU_VARIANT == MCU_ESP32
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ESP.restart();
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#endif
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}
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void led_indicate_error(int cycles) {
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bool forever = (cycles == 0) ? true : false;
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cycles = forever ? 1 : cycles;
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while(cycles > 0) {
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digitalWrite(pin_led_rx, HIGH);
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digitalWrite(pin_led_tx, LOW);
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delay(100);
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digitalWrite(pin_led_rx, LOW);
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digitalWrite(pin_led_tx, HIGH);
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delay(100);
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if (!forever) cycles--;
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}
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led_rx_off();
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led_tx_off();
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}
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void led_indicate_boot_error() {
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while (true) {
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led_tx_on();
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led_rx_off();
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delay(10);
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led_rx_on();
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led_tx_off();
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delay(5);
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}
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}
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void led_indicate_warning(int cycles) {
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bool forever = (cycles == 0) ? true : false;
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cycles = forever ? 1 : cycles;
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digitalWrite(pin_led_tx, HIGH);
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while(cycles > 0) {
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led_tx_off();
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delay(100);
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led_tx_on();
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delay(100);
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if (!forever) cycles--;
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}
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led_tx_off();
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}
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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void led_indicate_info(int cycles) {
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bool forever = (cycles == 0) ? true : false;
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cycles = forever ? 1 : cycles;
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while(cycles > 0) {
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led_rx_off();
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delay(100);
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led_rx_on();
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delay(100);
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if (!forever) cycles--;
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}
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led_rx_off();
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}
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#elif MCU_VARIANT == MCU_ESP32
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void led_indicate_info(int cycles) {
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bool forever = (cycles == 0) ? true : false;
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cycles = forever ? 1 : cycles;
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while(cycles > 0) {
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led_tx_off();
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delay(100);
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led_tx_on();
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delay(100);
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if (!forever) cycles--;
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}
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led_tx_off();
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}
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#endif
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unsigned long led_standby_ticks = 0;
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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uint8_t led_standby_min = 1;
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uint8_t led_standby_max = 40;
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unsigned long led_standby_wait = 11000;
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#elif MCU_VARIANT == MCU_ESP32
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uint8_t led_standby_min = 200;
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uint8_t led_standby_max = 255;
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uint8_t led_notready_min = 0;
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uint8_t led_notready_max = 255;
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uint8_t led_notready_value = led_notready_min;
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int8_t led_notready_direction = 0;
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unsigned long led_notready_ticks = 0;
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unsigned long led_standby_wait = 4000;
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unsigned long led_notready_wait = 150;
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#endif
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uint8_t led_standby_value = led_standby_min;
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int8_t led_standby_direction = 0;
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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void led_indicate_standby() {
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led_standby_ticks++;
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if (led_standby_ticks > led_standby_wait) {
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led_standby_ticks = 0;
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if (led_standby_value <= led_standby_min) {
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led_standby_direction = 1;
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} else if (led_standby_value >= led_standby_max) {
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led_standby_direction = -1;
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}
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led_standby_value += led_standby_direction;
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analogWrite(pin_led_rx, led_standby_value);
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led_tx_off();
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}
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}
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#elif MCU_VARIANT == MCU_ESP32
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void led_indicate_standby() {
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led_standby_ticks++;
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if (led_standby_ticks > led_standby_wait) {
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led_standby_ticks = 0;
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if (led_standby_value <= led_standby_min) {
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led_standby_direction = 1;
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} else if (led_standby_value >= led_standby_max) {
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led_standby_direction = -1;
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}
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led_standby_value += led_standby_direction;
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analogWrite(pin_led_tx, led_standby_value);
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led_rx_off();
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}
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}
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#endif
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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void led_indicate_not_ready() {
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led_standby_ticks++;
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if (led_standby_ticks > led_standby_wait) {
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led_standby_ticks = 0;
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if (led_standby_value <= led_standby_min) {
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led_standby_direction = 1;
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} else if (led_standby_value >= led_standby_max) {
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led_standby_direction = -1;
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}
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led_standby_value += led_standby_direction;
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analogWrite(pin_led_tx, led_standby_value);
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led_rx_off();
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}
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}
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#elif MCU_VARIANT == MCU_ESP32
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void led_indicate_not_ready() {
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led_notready_ticks++;
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if (led_notready_ticks > led_notready_wait) {
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led_notready_ticks = 0;
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if (led_notready_value <= led_notready_min) {
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led_notready_direction = 1;
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} else if (led_notready_value >= led_notready_max) {
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led_notready_direction = -1;
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}
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led_notready_value += led_notready_direction;
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if (led_notready_value > 128) {
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led_tx_on();
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} else {
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led_tx_off();
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}
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led_rx_off();
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}
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}
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#endif
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void escapedSerialWrite(uint8_t byte) {
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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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Serial.write(byte);
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}
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void kiss_indicate_error(uint8_t error_code) {
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Serial.write(FEND);
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Serial.write(CMD_ERROR);
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Serial.write(error_code);
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Serial.write(FEND);
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}
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void kiss_indicate_radiostate() {
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Serial.write(FEND);
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Serial.write(CMD_RADIO_STATE);
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Serial.write(radio_online);
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Serial.write(FEND);
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}
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void kiss_indicate_stat_rx() {
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Serial.write(FEND);
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Serial.write(CMD_STAT_RX);
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escapedSerialWrite(stat_rx>>24);
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escapedSerialWrite(stat_rx>>16);
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escapedSerialWrite(stat_rx>>8);
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escapedSerialWrite(stat_rx);
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Serial.write(FEND);
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}
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void kiss_indicate_stat_tx() {
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Serial.write(FEND);
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Serial.write(CMD_STAT_TX);
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escapedSerialWrite(stat_tx>>24);
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escapedSerialWrite(stat_tx>>16);
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escapedSerialWrite(stat_tx>>8);
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escapedSerialWrite(stat_tx);
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Serial.write(FEND);
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}
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void kiss_indicate_stat_rssi() {
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uint8_t packet_rssi_val = (uint8_t)(last_rssi+rssi_offset);
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Serial.write(FEND);
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Serial.write(CMD_STAT_RSSI);
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escapedSerialWrite(packet_rssi_val);
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Serial.write(FEND);
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}
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void kiss_indicate_stat_snr() {
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Serial.write(FEND);
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Serial.write(CMD_STAT_SNR);
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escapedSerialWrite(last_snr_raw);
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Serial.write(FEND);
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}
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void kiss_indicate_radio_lock() {
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Serial.write(FEND);
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Serial.write(CMD_RADIO_LOCK);
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Serial.write(radio_locked);
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Serial.write(FEND);
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}
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void kiss_indicate_spreadingfactor() {
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Serial.write(FEND);
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Serial.write(CMD_SF);
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Serial.write((uint8_t)lora_sf);
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Serial.write(FEND);
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}
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void kiss_indicate_codingrate() {
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Serial.write(FEND);
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Serial.write(CMD_CR);
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Serial.write((uint8_t)lora_cr);
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Serial.write(FEND);
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}
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void kiss_indicate_implicit_length() {
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Serial.write(FEND);
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Serial.write(CMD_IMPLICIT);
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Serial.write(implicit_l);
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Serial.write(FEND);
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}
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void kiss_indicate_txpower() {
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Serial.write(FEND);
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Serial.write(CMD_TXPOWER);
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Serial.write((uint8_t)lora_txp);
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Serial.write(FEND);
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}
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void kiss_indicate_bandwidth() {
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Serial.write(FEND);
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Serial.write(CMD_BANDWIDTH);
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escapedSerialWrite(lora_bw>>24);
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escapedSerialWrite(lora_bw>>16);
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escapedSerialWrite(lora_bw>>8);
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escapedSerialWrite(lora_bw);
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Serial.write(FEND);
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}
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void kiss_indicate_frequency() {
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Serial.write(FEND);
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Serial.write(CMD_FREQUENCY);
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escapedSerialWrite(lora_freq>>24);
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escapedSerialWrite(lora_freq>>16);
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escapedSerialWrite(lora_freq>>8);
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escapedSerialWrite(lora_freq);
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Serial.write(FEND);
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}
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void kiss_indicate_random(uint8_t byte) {
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Serial.write(FEND);
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Serial.write(CMD_RANDOM);
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Serial.write(byte);
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Serial.write(FEND);
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}
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void kiss_indicate_ready() {
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Serial.write(FEND);
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Serial.write(CMD_READY);
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Serial.write(0x01);
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Serial.write(FEND);
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}
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void kiss_indicate_not_ready() {
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Serial.write(FEND);
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Serial.write(CMD_READY);
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Serial.write(0x00);
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Serial.write(FEND);
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}
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void kiss_indicate_promisc() {
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Serial.write(FEND);
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Serial.write(CMD_PROMISC);
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if (promisc) {
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Serial.write(0x01);
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} else {
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Serial.write(0x00);
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}
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Serial.write(FEND);
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}
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void kiss_indicate_detect() {
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Serial.write(FEND);
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Serial.write(CMD_DETECT);
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Serial.write(DETECT_RESP);
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Serial.write(FEND);
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}
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void kiss_indicate_version() {
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Serial.write(FEND);
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Serial.write(CMD_FW_VERSION);
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Serial.write(MAJ_VERS);
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Serial.write(MIN_VERS);
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Serial.write(FEND);
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}
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void kiss_indicate_platform() {
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Serial.write(FEND);
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Serial.write(CMD_PLATFORM);
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Serial.write(PLATFORM);
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Serial.write(FEND);
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}
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void kiss_indicate_mcu() {
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Serial.write(FEND);
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Serial.write(CMD_MCU);
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Serial.write(MCU_VARIANT);
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Serial.write(FEND);
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}
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bool isSplitPacket(uint8_t header) {
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return (header & FLAG_SPLIT);
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}
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uint8_t packetSequence(uint8_t header) {
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return header >> 4;
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}
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void getPacketData(int len) {
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while (len--) {
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pbuf[read_len++] = LoRa.read();
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}
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}
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void setSpreadingFactor() {
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if (radio_online) LoRa.setSpreadingFactor(lora_sf);
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}
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void setCodingRate() {
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if (radio_online) LoRa.setCodingRate4(lora_cr);
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}
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void set_implicit_length(uint8_t len) {
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implicit_l = len;
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if (implicit_l != 0) {
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implicit = true;
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} else {
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implicit = false;
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}
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}
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void setTXPower() {
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if (radio_online) {
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if (model == MODEL_A4) LoRa.setTxPower(lora_txp, PA_OUTPUT_RFO_PIN);
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if (model == MODEL_A9) LoRa.setTxPower(lora_txp, PA_OUTPUT_PA_BOOST_PIN);
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}
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}
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void getBandwidth() {
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if (radio_online) {
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lora_bw = LoRa.getSignalBandwidth();
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}
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}
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void setBandwidth() {
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if (radio_online) {
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LoRa.setSignalBandwidth(lora_bw);
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getBandwidth();
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}
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}
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void getFrequency() {
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if (radio_online) {
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lora_freq = LoRa.getFrequency();
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}
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}
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void setFrequency() {
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if (radio_online) {
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LoRa.setFrequency(lora_freq);
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getFrequency();
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}
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}
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uint8_t getRandom() {
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if (radio_online) {
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return LoRa.random();
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} else {
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return 0x00;
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}
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}
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void promisc_enable() {
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promisc = true;
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}
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void promisc_disable() {
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promisc = false;
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}
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bool eeprom_info_locked() {
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uint8_t lock_byte = EEPROM.read(eeprom_addr(ADDR_INFO_LOCK));
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if (lock_byte == INFO_LOCK_BYTE) {
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return true;
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} else {
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return false;
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}
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}
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void eeprom_dump_info() {
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for (int addr = ADDR_PRODUCT; addr <= ADDR_INFO_LOCK; addr++) {
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uint8_t byte = EEPROM.read(eeprom_addr(addr));
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escapedSerialWrite(byte);
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}
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}
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void eeprom_dump_config() {
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for (int addr = ADDR_CONF_SF; addr <= ADDR_CONF_OK; addr++) {
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uint8_t byte = EEPROM.read(eeprom_addr(addr));
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escapedSerialWrite(byte);
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}
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}
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void eeprom_dump_all() {
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for (int addr = 0; addr < EEPROM_RESERVED; addr++) {
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uint8_t byte = EEPROM.read(eeprom_addr(addr));
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escapedSerialWrite(byte);
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}
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}
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void kiss_dump_eeprom() {
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Serial.write(FEND);
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Serial.write(CMD_ROM_READ);
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eeprom_dump_all();
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Serial.write(FEND);
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}
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void eeprom_update(int mapped_addr, uint8_t byte) {
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#if MCU_VARIANT == MCU_1284P || MCU_VARIANT == MCU_2560
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EEPROM.update(mapped_addr, byte);
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#elif MCU_VARIANT == MCU_ESP32
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if (EEPROM.read(mapped_addr) != byte) {
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EEPROM.write(mapped_addr, byte);
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EEPROM.commit();
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}
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#endif
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}
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void eeprom_write(uint8_t addr, uint8_t byte) {
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if (!eeprom_info_locked() && addr >= 0 && addr < EEPROM_RESERVED) {
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eeprom_update(eeprom_addr(addr), byte);
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} else {
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kiss_indicate_error(ERROR_EEPROM_LOCKED);
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}
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}
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void eeprom_erase() {
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for (int addr = 0; addr < EEPROM_RESERVED; addr++) {
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eeprom_update(eeprom_addr(addr), 0xFF);
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}
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hard_reset();
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}
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|
|
|
bool eeprom_lock_set() {
|
|
if (EEPROM.read(eeprom_addr(ADDR_INFO_LOCK)) == INFO_LOCK_BYTE) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool eeprom_product_valid() {
|
|
uint8_t rval = EEPROM.read(eeprom_addr(ADDR_PRODUCT));
|
|
if (rval == PRODUCT_RNODE || rval == PRODUCT_HMBRW || rval == PRODUCT_TBEAM) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool eeprom_model_valid() {
|
|
model = EEPROM.read(eeprom_addr(ADDR_MODEL));
|
|
if (model == MODEL_A4 || model == MODEL_A9 || model == MODEL_FF || model == MODEL_E4 || model == MODEL_E9) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool eeprom_hwrev_valid() {
|
|
hwrev = EEPROM.read(eeprom_addr(ADDR_HW_REV));
|
|
if (hwrev != 0x00 && hwrev != 0xFF) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool eeprom_checksum_valid() {
|
|
char *data = (char*)malloc(CHECKSUMMED_SIZE);
|
|
for (uint8_t i = 0; i < CHECKSUMMED_SIZE; i++) {
|
|
char byte = EEPROM.read(eeprom_addr(i));
|
|
data[i] = byte;
|
|
}
|
|
|
|
unsigned char *hash = MD5::make_hash(data, CHECKSUMMED_SIZE);
|
|
bool checksum_valid = true;
|
|
for (uint8_t i = 0; i < 16; i++) {
|
|
uint8_t stored_chk_byte = EEPROM.read(eeprom_addr(ADDR_CHKSUM+i));
|
|
uint8_t calced_chk_byte = (uint8_t)hash[i];
|
|
if (stored_chk_byte != calced_chk_byte) {
|
|
checksum_valid = false;
|
|
}
|
|
}
|
|
|
|
free(hash);
|
|
free(data);
|
|
return checksum_valid;
|
|
}
|
|
|
|
bool eeprom_have_conf() {
|
|
if (EEPROM.read(eeprom_addr(ADDR_CONF_OK)) == CONF_OK_BYTE) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void eeprom_conf_load() {
|
|
if (eeprom_have_conf()) {
|
|
lora_sf = EEPROM.read(eeprom_addr(ADDR_CONF_SF));
|
|
lora_cr = EEPROM.read(eeprom_addr(ADDR_CONF_CR));
|
|
lora_txp = EEPROM.read(eeprom_addr(ADDR_CONF_TXP));
|
|
lora_freq = (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_FREQ)+0x00) << 24 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_FREQ)+0x01) << 16 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_FREQ)+0x02) << 8 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_FREQ)+0x03);
|
|
lora_bw = (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_BW)+0x00) << 24 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_BW)+0x01) << 16 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_BW)+0x02) << 8 | (uint32_t)EEPROM.read(eeprom_addr(ADDR_CONF_BW)+0x03);
|
|
}
|
|
}
|
|
|
|
void eeprom_conf_save() {
|
|
if (hw_ready && radio_online) {
|
|
eeprom_update(eeprom_addr(ADDR_CONF_SF), lora_sf);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_CR), lora_cr);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_TXP), lora_txp);
|
|
|
|
eeprom_update(eeprom_addr(ADDR_CONF_BW)+0x00, lora_bw>>24);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_BW)+0x01, lora_bw>>16);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_BW)+0x02, lora_bw>>8);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_BW)+0x03, lora_bw);
|
|
|
|
eeprom_update(eeprom_addr(ADDR_CONF_FREQ)+0x00, lora_freq>>24);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_FREQ)+0x01, lora_freq>>16);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_FREQ)+0x02, lora_freq>>8);
|
|
eeprom_update(eeprom_addr(ADDR_CONF_FREQ)+0x03, lora_freq);
|
|
|
|
eeprom_update(eeprom_addr(ADDR_CONF_OK), CONF_OK_BYTE);
|
|
led_indicate_info(10);
|
|
} else {
|
|
led_indicate_warning(10);
|
|
}
|
|
}
|
|
|
|
void eeprom_conf_delete() {
|
|
eeprom_update(eeprom_addr(ADDR_CONF_OK), 0x00);
|
|
}
|
|
|
|
void unlock_rom() {
|
|
led_indicate_error(50);
|
|
eeprom_erase();
|
|
}
|
|
|
|
typedef struct FIFOBuffer
|
|
{
|
|
unsigned char *begin;
|
|
unsigned char *end;
|
|
unsigned char * volatile head;
|
|
unsigned char * volatile tail;
|
|
} FIFOBuffer;
|
|
|
|
inline bool fifo_isempty(const FIFOBuffer *f) {
|
|
return f->head == f->tail;
|
|
}
|
|
|
|
inline bool fifo_isfull(const FIFOBuffer *f) {
|
|
return ((f->head == f->begin) && (f->tail == f->end)) || (f->tail == f->head - 1);
|
|
}
|
|
|
|
inline void fifo_push(FIFOBuffer *f, unsigned char c) {
|
|
*(f->tail) = c;
|
|
|
|
if (f->tail == f->end) {
|
|
f->tail = f->begin;
|
|
} else {
|
|
f->tail++;
|
|
}
|
|
}
|
|
|
|
inline unsigned char fifo_pop(FIFOBuffer *f) {
|
|
if(f->head == f->end) {
|
|
f->head = f->begin;
|
|
return *(f->end);
|
|
} else {
|
|
return *(f->head++);
|
|
}
|
|
}
|
|
|
|
inline void fifo_flush(FIFOBuffer *f) {
|
|
f->head = f->tail;
|
|
}
|
|
|
|
#if MCU_VARIANT != MCU_ESP32
|
|
static inline bool fifo_isempty_locked(const FIFOBuffer *f) {
|
|
bool result;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
result = fifo_isempty(f);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static inline bool fifo_isfull_locked(const FIFOBuffer *f) {
|
|
bool result;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
result = fifo_isfull(f);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static inline void fifo_push_locked(FIFOBuffer *f, unsigned char c) {
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
fifo_push(f, c);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
static inline unsigned char fifo_pop_locked(FIFOBuffer *f) {
|
|
unsigned char c;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
c = fifo_pop(f);
|
|
}
|
|
return c;
|
|
}
|
|
*/
|
|
|
|
inline void fifo_init(FIFOBuffer *f, unsigned char *buffer, size_t size) {
|
|
f->head = f->tail = f->begin = buffer;
|
|
f->end = buffer + size;
|
|
}
|
|
|
|
inline size_t fifo_len(FIFOBuffer *f) {
|
|
return f->end - f->begin;
|
|
}
|
|
|
|
typedef struct FIFOBuffer16
|
|
{
|
|
size_t *begin;
|
|
size_t *end;
|
|
size_t * volatile head;
|
|
size_t * volatile tail;
|
|
} FIFOBuffer16;
|
|
|
|
inline bool fifo16_isempty(const FIFOBuffer16 *f) {
|
|
return f->head == f->tail;
|
|
}
|
|
|
|
inline bool fifo16_isfull(const FIFOBuffer16 *f) {
|
|
return ((f->head == f->begin) && (f->tail == f->end)) || (f->tail == f->head - 1);
|
|
}
|
|
|
|
inline void fifo16_push(FIFOBuffer16 *f, size_t c) {
|
|
*(f->tail) = c;
|
|
|
|
if (f->tail == f->end) {
|
|
f->tail = f->begin;
|
|
} else {
|
|
f->tail++;
|
|
}
|
|
}
|
|
|
|
inline size_t fifo16_pop(FIFOBuffer16 *f) {
|
|
if(f->head == f->end) {
|
|
f->head = f->begin;
|
|
return *(f->end);
|
|
} else {
|
|
return *(f->head++);
|
|
}
|
|
}
|
|
|
|
inline void fifo16_flush(FIFOBuffer16 *f) {
|
|
f->head = f->tail;
|
|
}
|
|
|
|
#if MCU_VARIANT != MCU_ESP32
|
|
static inline bool fifo16_isempty_locked(const FIFOBuffer16 *f) {
|
|
bool result;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
result = fifo16_isempty(f);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
static inline bool fifo16_isfull_locked(const FIFOBuffer16 *f) {
|
|
bool result;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
result = fifo16_isfull(f);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
static inline void fifo16_push_locked(FIFOBuffer16 *f, size_t c) {
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
fifo16_push(f, c);
|
|
}
|
|
}
|
|
|
|
static inline size_t fifo16_pop_locked(FIFOBuffer16 *f) {
|
|
size_t c;
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
|
|
c = fifo16_pop(f);
|
|
}
|
|
return c;
|
|
}
|
|
*/
|
|
|
|
inline void fifo16_init(FIFOBuffer16 *f, size_t *buffer, size_t size) {
|
|
f->head = f->tail = f->begin = buffer;
|
|
f->end = buffer + size;
|
|
}
|
|
|
|
inline size_t fifo16_len(FIFOBuffer16 *f) {
|
|
return (f->end - f->begin);
|
|
}
|