ESP32-PaxCounter/src/rcommand.cpp
2018-06-10 00:45:27 +02:00

310 lines
10 KiB
C++

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