310 lines
10 KiB
C++
310 lines
10 KiB
C++
// remote command interpreter
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// parses multiple number of command / value pairs from LoRaWAN remote command port (RCMDPORT)
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// checks commands and executes each command with 1 argument per command
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// Basic Config
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#include "globals.h"
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// LMIC-Arduino LoRaWAN Stack
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#include <lmic.h>
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#include <hal/hal.h>
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// Local logging tag
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static const char TAG[] = "main";
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// table of remote commands and assigned functions
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typedef struct {
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const uint8_t nam;
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void (*func)(uint8_t);
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const bool store;
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} cmd_t;
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// function defined in antenna.cpp
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#ifdef HAS_ANTENNA_SWITCH
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void antenna_select(const uint8_t _ant);
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#endif
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// function defined in adcread.cpp
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#ifdef HAS_BATTERY_PROBE
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uint32_t read_voltage(void);
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#endif
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// function sends result of get commands to LoRaWAN network
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void do_transmit(osjob_t* j){
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// check if there is a pending TX/RX job running, if yes then reschedule transmission
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if (LMIC.opmode & OP_TXRXPEND) {
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ESP_LOGI(TAG, "LoRa busy, rescheduling");
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sprintf(display_lmic, "LORA BUSY");
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os_setTimedCallback(&rcmdjob, os_getTime()+sec2osticks(RETRANSMIT_RCMD), do_transmit);
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}
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LMIC_setTxData2(RCMDPORT, rcmd_data, rcmd_data_size, 0); // send data unconfirmed on RCMD Port
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ESP_LOGI(TAG, "%d bytes queued to send", rcmd_data_size);
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sprintf(display_lmic, "PACKET QUEUED");
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}
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// help function to transmit result of get commands, since callback function do_transmit() cannot have params
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void transmit(xref2u1_t mydata, u1_t mydata_size){
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rcmd_data = mydata;
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rcmd_data_size = mydata_size;
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do_transmit(&rcmdjob);
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}
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// help function to assign LoRa datarates to numeric spreadfactor values
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void switch_lora (uint8_t sf, uint8_t tx) {
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if ( tx > 20 ) return;
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cfg.txpower = tx;
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switch (sf) {
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case 7: LMIC_setDrTxpow(DR_SF7,tx); cfg.lorasf=sf; break;
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case 8: LMIC_setDrTxpow(DR_SF8,tx); cfg.lorasf=sf; break;
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case 9: LMIC_setDrTxpow(DR_SF9,tx); cfg.lorasf=sf; break;
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case 10: LMIC_setDrTxpow(DR_SF10,tx); cfg.lorasf=sf; break;
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case 11:
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#if defined(CFG_eu868)
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LMIC_setDrTxpow(DR_SF11,tx); cfg.lorasf=sf; break;
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#elif defined(CFG_us915)
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LMIC_setDrTxpow(DR_SF11CR,tx); cfg.lorasf=sf; break;
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#endif
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case 12:
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#if defined(CFG_eu868)
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LMIC_setDrTxpow(DR_SF12,tx); cfg.lorasf=sf; break;
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#elif defined(CFG_us915)
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LMIC_setDrTxpow(DR_SF12CR,tx); cfg.lorasf=sf; break;
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#endif
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default: break;
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}
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}
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// set of functions that can be triggered by remote commands
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void set_reset(uint8_t val) {
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switch (val) {
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case 0: // restart device
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ESP_LOGI(TAG, "Remote command: restart device");
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sprintf(display_lora, "Reset pending");
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vTaskDelay(10000/portTICK_PERIOD_MS); // wait for LMIC to confirm LoRa downlink to server
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esp_restart();
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break;
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case 1: // reset MAC counter
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ESP_LOGI(TAG, "Remote command: reset MAC counter");
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reset_counters(); // clear macs
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reset_salt(); // get new salt
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sprintf(display_lora, "Reset counter");
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break;
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case 2: // reset device to factory settings
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ESP_LOGI(TAG, "Remote command: reset device to factory settings");
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sprintf(display_lora, "Factory reset");
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eraseConfig();
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break;
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}
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};
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void set_rssi(uint8_t val) {
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cfg.rssilimit = val * -1;
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ESP_LOGI(TAG, "Remote command: set RSSI limit to %d", cfg.rssilimit);
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};
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void set_sendcycle(uint8_t val) {
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cfg.sendcycle = val;
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ESP_LOGI(TAG, "Remote command: set payload send cycle to %d seconds", cfg.sendcycle*2);
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};
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void set_wifichancycle(uint8_t val) {
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cfg.wifichancycle = val;
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// modify wifi channel rotation IRQ
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timerAlarmWrite(channelSwitch, cfg.wifichancycle * 10000, true); // reload interrupt after each trigger of channel switch cycle
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ESP_LOGI(TAG, "Remote command: set Wifi channel switch interval to %.1f seconds", cfg.wifichancycle/float(100));
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};
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void set_blescantime(uint8_t val) {
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cfg.blescantime = val;
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ESP_LOGI(TAG, "Remote command: set BLE scan time to %.1f seconds", cfg.blescantime/float(100));
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#ifdef BLECOUNTER
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// stop & restart BLE scan task to apply new parameter
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if (cfg.blescan)
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{
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stop_BLEscan();
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start_BLEscan();
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}
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#endif
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};
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void set_countmode(uint8_t val) {
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switch (val) {
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case 0: // cyclic unconfirmed
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cfg.countermode = 0;
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ESP_LOGI(TAG, "Remote command: set counter mode to cyclic unconfirmed");
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break;
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case 1: // cumulative
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cfg.countermode = 1;
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ESP_LOGI(TAG, "Remote command: set counter mode to cumulative");
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break;
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default: // cyclic confirmed
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cfg.countermode = 2;
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ESP_LOGI(TAG, "Remote command: set counter mode to cyclic confirmed");
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break;
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}
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};
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void set_screensaver(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set screen saver to %s ", val ? "on" : "off");
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switch (val) {
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case 1: cfg.screensaver = val; break;
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default: cfg.screensaver = 0; break;
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}
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};
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void set_display(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set screen to %s", val ? "on" : "off");
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switch (val) {
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case 1: cfg.screenon = val; break;
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default: cfg.screenon = 0; break;
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}
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};
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void set_gps(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set GPS to %s", val ? "on" : "off");
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switch (val) {
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case 1: cfg.gpsmode = val; break;
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default: cfg.gpsmode = 0; break;
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}
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};
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void set_lorasf(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set LoRa SF to %d", val);
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switch_lora(val, cfg.txpower);
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};
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void set_loraadr(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set LoRa ADR mode to %s", val ? "on" : "off");
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switch (val) {
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case 1: cfg.adrmode = val; break;
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default: cfg.adrmode = 0; break;
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}
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LMIC_setAdrMode(cfg.adrmode);
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};
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void set_blescan(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set BLE scanner to %s", val ? "on" : "off");
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switch (val) {
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case 0:
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cfg.blescan = 0;
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macs_ble = 0; // clear BLE counter
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#ifdef BLECOUNTER
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stop_BLEscan();
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#endif
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break;
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default:
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cfg.blescan = 1;
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#ifdef BLECOUNTER
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start_BLEscan();
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#endif
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break;
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}
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};
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void set_wifiant(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set Wifi antenna to %s", val ? "external" : "internal");
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switch (val) {
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case 1: cfg.wifiant = val; break;
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default: cfg.wifiant = 0; break;
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}
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#ifdef HAS_ANTENNA_SWITCH
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antenna_select(cfg.wifiant);
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#endif
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};
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void set_vendorfilter(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set vendorfilter mode to %s", val ? "on" : "off");
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switch (val) {
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case 1: cfg.vendorfilter = val; break;
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default: cfg.vendorfilter = 0; break;
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}
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};
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void set_rgblum(uint8_t val) {
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// Avoid wrong parameters
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cfg.rgblum = (val>=0 && val<=100) ? (uint8_t) val : RGBLUMINOSITY;
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ESP_LOGI(TAG, "Remote command: set RGB Led luminosity %d", cfg.rgblum);
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};
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void set_lorapower(uint8_t val) {
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ESP_LOGI(TAG, "Remote command: set LoRa TXPOWER to %d", val);
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switch_lora(cfg.lorasf, val);
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};
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void get_config (uint8_t val) {
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ESP_LOGI(TAG, "Remote command: get configuration");
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transmit((byte*)&cfg, sizeof(cfg));
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};
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void get_uptime (uint8_t val) {
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ESP_LOGI(TAG, "Remote command: get uptime");
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transmit((byte*)&uptimecounter, sizeof(uptimecounter));
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};
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void get_cputemp (uint8_t val) {
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ESP_LOGI(TAG, "Remote command: get cpu temperature");
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float temp = temperatureRead();
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transmit((byte*)&temp, sizeof(temp));
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};
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void get_voltage (uint8_t val) {
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ESP_LOGI(TAG, "Remote command: get battery voltage");
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#ifdef HAS_BATTERY_PROBE
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uint16_t voltage = read_voltage();
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#else
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uint16_t voltage = 0;
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#endif
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transmit((byte*)&voltage, sizeof(voltage));
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};
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void get_gps (uint8_t val) {
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ESP_LOGI(TAG, "Remote command: get gps status");
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#ifdef HAS_GPS
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gps_read();
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transmit((byte*)&gps_status, sizeof(gps_status));
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ESP_LOGI(TAG, "lat=%f / lon=%f | Sats=%u | HDOP=%u | Alti=%u", gps_status.latitude / 1000000, gps_status.longitude / 1000000, gps_status.satellites, gps_status.hdop, gps_status.altitude);
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#else
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ESP_LOGE(TAG, "GPS not present");
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#endif
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};
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// assign previously defined functions to set of numeric remote commands
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// format: opcode, function, flag (1 = do make settings persistent / 0 = don't)
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//
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cmd_t table[] = {
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{0x01, set_rssi, true},
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{0x02, set_countmode, true},
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{0x03, set_gps, true},
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{0x04, set_display, true},
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{0x05, set_lorasf, true},
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{0x06, set_lorapower, true},
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{0x07, set_loraadr, true},
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{0x08, set_screensaver, true},
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{0x09, set_reset, false},
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{0x0a, set_sendcycle, true},
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{0x0b, set_wifichancycle, true},
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{0x0c, set_blescantime, true},
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{0x0d, set_vendorfilter, false},
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{0x0e, set_blescan, true},
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{0x0f, set_wifiant, true},
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{0x10, set_rgblum, true},
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{0x80, get_config, false},
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{0x81, get_uptime, false},
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{0x82, get_cputemp, false},
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{0x83, get_voltage, false},
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{0x84, get_gps, false}
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};
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// check and execute remote command
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void rcommand(uint8_t cmd, uint8_t arg) {
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int i = sizeof(table) / sizeof(table[0]); // number of commands in command table
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bool store_flag = false;
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while(i--) {
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if(cmd == table[i].nam) { // check if valid command
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table[i].func(arg); // then execute assigned function
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if ( table[i].store ) store_flag = true; // set save flag if function needs to store configuration
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break; // exit check loop, since command was found
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}
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}
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if (store_flag) saveConfig(); // if save flag is set: store new configuration in NVS to make it persistent
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} |