249 lines
8.7 KiB
C++
249 lines
8.7 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 "main.h"
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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 = "rcommand";
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// functions defined in configmanager.cpp
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void eraseConfig(void);
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void saveConfig(void);
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// defined in antenna.cpp
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#ifdef HAS_ANTENNA_SWITCH
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void antenna_select(const int8_t _ant);
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#endif
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// table of remote commands and assigned functions
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typedef struct {
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const int nam;
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void (*func)(int);
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const bool store;
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} cmd_t;
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// help function to assign LoRa datarates to spreadfactor values
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void switch_lora (int sf, int 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: LMIC_setDrTxpow(DR_SF11,tx); cfg.lorasf=sf; break;
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case 12: LMIC_setDrTxpow(DR_SF12,tx); cfg.lorasf=sf; break;
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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(int 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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u8x8.clearLine(5);
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u8x8.setCursor(0, 5);
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u8x8.printf("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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macs.erase(macs.begin(), macs.end()); // clear RAM
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macnum = 0;
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u8x8.clearLine(0); u8x8.clearLine(1); // clear Display counter
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u8x8.clearLine(5);
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u8x8.setCursor(0, 5);
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u8x8.printf("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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u8x8.clearLine(5);
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u8x8.setCursor(0, 5);
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u8x8.printf("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(int val) {
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cfg.rssilimit = val * -1;
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ESP_LOGI(TAG, "Remote command: set RSSI limit to %i", cfg.rssilimit);
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u8x8.clearLine(5);
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u8x8.setCursor(0, 5);
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u8x8.printf(!cfg.rssilimit ? "RLIM: off" : "RLIM: -%4i", cfg.rssilimit);
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};
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void set_wifiscancycle(int val) {
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cfg.wifiscancycle = val;
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ESP_LOGI(TAG, "Remote command: set Wifi scan cycle duration to %i seconds", cfg.wifiscancycle*2);
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};
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void set_wifichancycle(int val) {
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cfg.wifichancycle = val;
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ESP_LOGI(TAG, "Remote command: set Wifi channel switch interval to %i seconds", cfg.wifichancycle/100);
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};
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void set_blescancycle(int val) {
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cfg.blescancycle = val;
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ESP_LOGI(TAG, "Remote command: set Wifi channel cycle duration to %i seconds", cfg.blescancycle);
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};
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void set_countmode(int 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(int 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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u8x8.setPowerSave(cfg.screensaver); // set display 0=on / 1=off
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};
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void set_display(int 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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u8x8.setPowerSave(!cfg.screenon); // set display 0=on / 1=off
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};
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void set_lorasf(int val) {
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ESP_LOGI(TAG, "Remote command: set LoRa SF to %i", val);
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switch_lora(val, cfg.txpower);
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};
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void set_loraadr(int 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(int val) {
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ESP_LOGI(TAG, "Remote command: set BLE scan mode to %s", val ? "on" : "off");
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switch (val) {
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case 1: cfg.blescan = val; break;
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default:
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cfg.blescan = 0;
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btStop();
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u8x8.clearLine(3); // clear BLE results from display
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break;
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}
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};
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void set_wifiant(int 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_lorapower(int val) {
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ESP_LOGI(TAG, "Remote command: set LoRa TXPOWER to %i", val);
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switch_lora(cfg.lorasf, val);
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};
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void set_noop (int val) {
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ESP_LOGI(TAG, "Remote command: noop - doing nothing");
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};
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void get_config (int val) {
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ESP_LOGI(TAG, "Remote command: get configuration");
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int size = sizeof(configData_t);
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// declare send buffer (char byte array)
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unsigned char *sendData = new unsigned char[size];
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// copy current configuration (struct) to send buffer
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memcpy(sendData, &cfg, size);
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LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
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delete sendData; // free memory
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ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
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};
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void get_uptime (int val) {
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ESP_LOGI(TAG, "Remote command: get uptime");
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int size = sizeof(uptimecounter);
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unsigned char *sendData = new unsigned char[size];
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memcpy(sendData, (unsigned char*)&uptimecounter, size);
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LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
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delete sendData; // free memory
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ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
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};
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void get_cputemp (int val) {
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ESP_LOGI(TAG, "Remote command: get cpu temperature");
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float temp = temperatureRead();
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int size = sizeof(temp);
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unsigned char *sendData = new unsigned char[size];
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memcpy(sendData, (unsigned char*)&temp, size);
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LMIC_setTxData2(RCMDPORT, sendData, size-1, 0); // send data unconfirmed on RCMD Port
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delete sendData; // free memory
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ESP_LOGI(TAG, "%i bytes queued in send queue", size-1);
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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_screensaver, 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_noop, false},
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{0x09, set_reset, false},
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{0x0a, set_wifiscancycle, true},
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{0x0b, set_wifichancycle, true},
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{0x0c, set_blescancycle, true},
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{0x0d, set_blescan, true},
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{0x0e, set_wifiant, 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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};
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// check and execute remote command
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void rcommand(int cmd, int 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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} |