237 lines
7.2 KiB
C++
237 lines
7.2 KiB
C++
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#include <Arduino.h>
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#include "ESP8266WiFi.h"
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#include <shell.h>
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#include <Wire.h>
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#include <inttypes.h>
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#include <Esp.h>
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#include "gpio_funcs.h"
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void scanWifi();
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void scanI2c();
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void cmdHandler(char* buf, int len) {
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char* tok = strtok(buf, " ");
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if (tok == NULL) return;
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if (strncmp(tok, "help\0", 5) == 0) {
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Serial.println("echo Toggle hard echo");
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Serial.println("status Show device status");
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Serial.println("set Update a setting value");
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Serial.println("get Get a setting value");
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Serial.println("list List all settings");
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Serial.println("undo Reload NVRAM and discard changes");
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Serial.println("commit Commit settings to NVRAM");
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Serial.println("scan Scan wifi,i2c");
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Serial.println("gpio Manipulate GPIO");
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Serial.println("reset Reset (restart) the device");
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return;
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}
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if (strncmp(tok, "status\0", 7) == 0) {
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// char* status = strtok(NULL, " ");
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Serial.printf("Hardware.: %s (%s) %s\n", BOARD, BOARD_VARIANT, BOARD_MCU);
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Serial.printf("Serial...: %08x\n", system_get_chip_id());
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Serial.printf("WiFi.....: %s (ssid:%s,ip:%s)\n", "connected", "HOtSpOt", "0.0.0.0");
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Serial.printf("MQTT.....: %s (server:%s,user:%s)\n", "disconnected", "10.1.4.2", "d1");
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return;
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}
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/*
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echo on
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echo off
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echo "message"
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*/
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if (strncmp(tok, "echo\0", 5) == 0) {
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char* echostate = strtok(NULL, " ");
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if (echostate == NULL) {
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Serial.println("E: Expected on or off");
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} else {
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if (strncmp(echostate, "on\0", 3) == 0) {
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Serial.println("Echo on");
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shell_echo(true);
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} else if (strncmp(echostate, "off\0", 4) == 0) {
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Serial.println("Echo off");
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shell_echo(false);
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} else {
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}
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}
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return;
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}
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/*
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config
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config open GROUP
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config set KEY VALUE
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config get KEY
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config commit
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*/
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if (strncmp(tok, "set\0", 4) == 0) {
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char* arg1 = strtok(NULL, " ");
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if (arg1 == NULL) {
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Serial.println("E: Missing setting name");
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} else {
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char* arg2 = strtok(NULL, "\0");
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if (arg2 == NULL) {
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Serial.println("E: Missing setting value");
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} else {
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Serial.printf("set: %s = %s\n", arg1, arg2);
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}
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}
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return;
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}
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/*
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scan → show usage
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scan wifi
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scan i2c
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*/
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if (strncmp(tok, "scan\0", 5) == 0) {
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char* scantype = strtok(NULL, " ");
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if (scantype == NULL) {
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Serial.println("E: Missing scan type");
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} else {
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if (strncmp(scantype,"wifi\0",5) == 0) {
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scanWifi();
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} else if (strncmp(scantype,"i2c\0",4) == 0) {
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scanI2c();
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} else {
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Serial.println("E: Invalid scan type");
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}
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return;
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}
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return;
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}
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/*
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gpio → show usage
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gpio scan → show all GPIO
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gpio N → show GPIO N
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gpio N {in|out} → set GPIO N direction
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gpio N {high|low} → set GPIO N state
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*/
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if (strncmp(tok, "gpio\0", 5) == 0) {
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char* scantype = strtok(NULL, " ");
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if (scantype == NULL) {
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// Serial.println("E: Missing gpio operation");
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gpioScan();
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return;
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} else {
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if (strncmp(scantype,"set\0",4) == 0) {
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char* gpiosetpin = strtok(NULL, " ");
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if (NULL == gpiosetpin) {
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Serial.println("E: missing pin");
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return;
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}
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int dpin = atoi(gpiosetpin);
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char* gpioset = strtok(NULL, " ");
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if (NULL == gpioset) {
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Serial.println("E: missing new state");
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return;
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}
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if (strncmp(gpioset, "high\0", 5) == 0) {
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digitalWrite(dpin, HIGH);
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Serial.printf(" D%d => high\n", dpin);
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} else if (strncmp(gpioset, "low\0", 4) == 0) {
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digitalWrite(dpin, LOW);
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Serial.printf(" D%d => low\n", dpin);
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}
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return;
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} else if (strncmp(scantype,"get\0",4) == 0) {
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char* gpiogetpin = strtok(NULL, " ");
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if (NULL == gpiogetpin) {
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Serial.println("E: missing pin");
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return;
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}
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int dpin = atoi(gpiogetpin);
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int getval = digitalRead(dpin);
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Serial.printf(" D%d: %s\n", dpin, getval?"HIGH":"LOW");
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} else if (strncmp(scantype,"mode\0",5) == 0) {
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char* gpiomodepin = strtok(NULL, " ");
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if (NULL == gpiomodepin) {
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Serial.println("E: missing pin");
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return;
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}
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int dpin = atoi(gpiomodepin);
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char* gpiomode = strtok(NULL, " ");
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if (NULL == gpiomode) {
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Serial.println("E: missing mode");
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return;
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}
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if (strncmp(gpiomode, "in\0", 3) == 0) {
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pinMode(dpin, INPUT);
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Serial.printf(" D%d -> input\n", dpin);
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} else if (strncmp(gpiomode, "out\0", 4) == 0) {
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pinMode(dpin, OUTPUT);
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Serial.printf(" D%d -> output\n", dpin);
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} else {
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Serial.printf("E: invalid mode");
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}
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} else {
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Serial.println("E: Invalid gpio operation");
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}
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return;
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}
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return;
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}
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/*
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i2c
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i2c scan → same as 'scan i2c'
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i2c write ADDR DATA..
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i2c read ADDR LEN → read LEN bytes
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*/
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Serial.println("E: Invalid command");
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}
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void scanI2c() {
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byte error, address;
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int nDevices;
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Serial.println("Starting I2C scan...");
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nDevices = 0;
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for(address = 1; address < 127; address++ )
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{
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// The i2c_scanner uses the return value of
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// the Write.endTransmisstion to see if
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// a device did acknowledge to the address.
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Wire.beginTransmission(address);
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error = Wire.endTransmission();
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if (error == 0) {
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Serial.printf(" Found device at 0x%02x\n", address);
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nDevices++;
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} else if (error==4) {
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Serial.printf(" Unknown error at 0x%02x\n", address);
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}
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}
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Serial.printf("Scan complete (%d items)\n", nDevices);
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}
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void scanWifi() {
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Serial.println("Starting WiFi scan...");
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int numNetworks = WiFi.scanNetworks();
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for (int i = 0; i < numNetworks; i++) {
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Serial.printf(" %s rssi=%d bssid=%s ch=%d enc=%d\n", WiFi.SSID(i).c_str(), WiFi.RSSI(i), WiFi.BSSIDstr(i).c_str(), WiFi.channel(i), WiFi.encryptionType(i));
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}
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Serial.printf("Scan complete (%d items)\n", numNetworks);
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}
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void setup() {
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Serial.begin(115200);
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shell_init();
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shell_prompt("cmd> ");
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shell_callback(cmdHandler);
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}
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void loop() {
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shell_loop();
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}
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