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464 lines
11 KiB
464 lines
11 KiB
#include <EEPROM.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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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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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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digitalWrite(pin_led_rx, LOW);
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digitalWrite(pin_led_tx, LOW);
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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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digitalWrite(pin_led_tx, LOW);
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delay(100);
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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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digitalWrite(pin_led_tx, LOW);
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}
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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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digitalWrite(pin_led_rx, LOW);
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delay(100);
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digitalWrite(pin_led_rx, HIGH);
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delay(100);
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if (!forever) cycles--;
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}
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digitalWrite(pin_led_rx, LOW);
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}
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uint8_t led_standby_min = 1;
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uint8_t led_standby_max = 40;
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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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unsigned long led_standby_ticks = 0;
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unsigned long led_standby_wait = 11000;
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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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digitalWrite(pin_led_tx, 0);
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}
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}
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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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digitalWrite(pin_led_rx, 0);
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}
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}
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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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uint8_t packet_snr_val = (uint8_t)(last_snr+snr_offset);
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Serial.write(FEND);
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Serial.write(CMD_STAT_SNR);
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escapedSerialWrite(packet_snr_val);
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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_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_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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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 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_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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while (true) { led_tx_on(); led_rx_off(); }
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}
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bool eeprom_lock_set() {
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if (EEPROM.read(eeprom_addr(ADDR_INFO_LOCK)) == 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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bool eeprom_product_valid() {
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if (EEPROM.read(eeprom_addr(ADDR_PRODUCT)) == PRODUCT_RNODE) {
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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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bool eeprom_model_valid() {
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model = EEPROM.read(eeprom_addr(ADDR_MODEL));
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if (model == MODEL_A4 || model == MODEL_A9) {
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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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bool eeprom_hwrev_valid() {
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hwrev = EEPROM.read(eeprom_addr(ADDR_HW_REV));
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if (hwrev != 0x00 && hwrev != 0xFF) {
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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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bool eeprom_checksum_valid() {
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char *data = (char*)malloc(CHECKSUMMED_SIZE);
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for (uint8_t i = 0; i < CHECKSUMMED_SIZE; i++) {
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char byte = EEPROM.read(eeprom_addr(i));
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data[i] = byte;
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}
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unsigned char *hash = MD5::make_hash(data, CHECKSUMMED_SIZE);
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bool checksum_valid = true;
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for (uint8_t i = 0; i < 16; i++) {
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uint8_t stored_chk_byte = EEPROM.read(eeprom_addr(ADDR_CHKSUM+i));
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uint8_t calced_chk_byte = (uint8_t)hash[i];
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if (stored_chk_byte != calced_chk_byte) {
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checksum_valid = false;
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}
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}
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free(hash);
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free(data);
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return checksum_valid;
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}
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bool eeprom_have_conf() {
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if (EEPROM.read(eeprom_addr(ADDR_CONF_OK)) == CONF_OK_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_conf_load() {
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if (eeprom_have_conf()) {
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lora_sf = EEPROM.read(eeprom_addr(ADDR_CONF_SF));
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lora_cr = EEPROM.read(eeprom_addr(ADDR_CONF_CR));
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lora_txp = EEPROM.read(eeprom_addr(ADDR_CONF_TXP));
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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);
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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);
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}
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}
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void eeprom_conf_save() {
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if (hw_ready && radio_online) {
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EEPROM.update(eeprom_addr(ADDR_CONF_SF), lora_sf);
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EEPROM.update(eeprom_addr(ADDR_CONF_CR), lora_cr);
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EEPROM.update(eeprom_addr(ADDR_CONF_TXP), lora_txp);
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EEPROM.update(eeprom_addr(ADDR_CONF_BW)+0x00, lora_bw>>24);
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EEPROM.update(eeprom_addr(ADDR_CONF_BW)+0x01, lora_bw>>16);
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EEPROM.update(eeprom_addr(ADDR_CONF_BW)+0x02, lora_bw>>8);
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EEPROM.update(eeprom_addr(ADDR_CONF_BW)+0x03, lora_bw);
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EEPROM.update(eeprom_addr(ADDR_CONF_FREQ)+0x00, lora_freq>>24);
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EEPROM.update(eeprom_addr(ADDR_CONF_FREQ)+0x01, lora_freq>>16);
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EEPROM.update(eeprom_addr(ADDR_CONF_FREQ)+0x02, lora_freq>>8);
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EEPROM.update(eeprom_addr(ADDR_CONF_FREQ)+0x03, lora_freq);
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EEPROM.update(eeprom_addr(ADDR_CONF_OK), CONF_OK_BYTE);
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led_indicate_info(10);
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} else {
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led_indicate_warning(10);
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}
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}
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void eeprom_conf_delete() {
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EEPROM.update(eeprom_addr(ADDR_CONF_OK), 0x00);
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}
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void unlock_rom() {
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led_indicate_error(50);
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eeprom_erase();
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}
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