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| author | version | line-number | content |
|---|---|---|---|
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5.1 | 1 | Nodemcu V3 Lua WiFi module integrated ESP8266 + additional 32Mbit FLASH, USB serial port CP2102. |
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4.1 | 2 | |
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5.1 | 3 | {{code language="none" title="dmesg"}} |
| 4 | [46271.336289] usb 3-7.2: new full-speed USB device number 14 using xhci_hcd | ||
| 5 | [46271.467461] usb 3-7.2: New USB device found, idVendor=10c4, idProduct=ea60, bcdDevice= 1.00 | ||
| 6 | [46271.467463] usb 3-7.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 | ||
| 7 | [46271.467465] usb 3-7.2: Product: CP2102 USB to UART Bridge Controller | ||
| 8 | [46271.467467] usb 3-7.2: Manufacturer: Silicon Labs | ||
| 9 | [46271.467468] usb 3-7.2: SerialNumber: 0001 | ||
| 10 | [46271.480537] cp210x 3-7.2:1.0: cp210x converter detected | ||
| 11 | [46271.482413] usb 3-7.2: cp210x converter now attached to ttyUSB0 | ||
| 12 | {{/code}} | ||
| 13 | |||
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4.1 | 14 | {{code language="ini" title="platformio.ini"}} |
| 15 | [env:nodemcuv2] | ||
| 16 | platform = espressif8266 | ||
| 17 | board = nodemcuv2 | ||
| 18 | framework = arduino | ||
| 19 | lib_deps = arduino-libraries/NTPClient@^3.1.0 | ||
| 20 | |||
| 21 | {{/code}} | ||
| 22 | |||
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7.1 | 23 | Blink all GPIO pins and NTP (uses [[https:~~/~~/platformio.org/lib/show/551/NTPClient/>>https://platformio.org/lib/show/551/NTPClient/]]): |
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4.1 | 24 | |
| 25 | {{code language="c++" title="main.cpp"}} | ||
| 26 | #include <Arduino.h> | ||
| 27 | #include <ESP8266WiFi.h> | ||
| 28 | #include <WiFiUdp.h> | ||
| 29 | #include <NTPClient.h> | ||
| 30 | const char *ssid = "<ssid>"; | ||
| 31 | const char *password = "<wpa_password>"; | ||
| 32 | |||
| 33 | WiFiUDP ntpUDP; | ||
| 34 | |||
| 35 | NTPClient timeClient(ntpUDP, "ntp-b.nist.gov", 0, 60000); | ||
| 36 | |||
| 37 | |||
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6.1 | 38 | void f2(void (*f)(uint8_t, uint8_t), uint8_t val) { |
| 39 | |||
| 40 | // static const uint8_t D0 = 16; | ||
| 41 | // static const uint8_t D1 = 5; | ||
| 42 | // static const uint8_t D2 = 4; | ||
| 43 | // static const uint8_t D3 = 0; | ||
| 44 | // static const uint8_t D4 = 2; | ||
| 45 | // static const uint8_t D5 = 14; | ||
| 46 | // static const uint8_t D6 = 12; | ||
| 47 | // static const uint8_t D7 = 13; | ||
| 48 | // static const uint8_t D8 = 15; | ||
| 49 | // static const uint8_t D9 = 3; | ||
| 50 | // static const uint8_t D10 = 1; | ||
| 51 | |||
| 52 | |||
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4.1 | 53 | for (uint8_t i = 0; i <= 5; i++) |
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6.1 | 54 | (*f)(i, val); |
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4.1 | 55 | for (uint8_t i = 12; i <= 16; i++) |
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6.1 | 56 | (*f)(i, val); |
| 57 | } | ||
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4.1 | 58 | |
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6.1 | 59 | void setup() { |
| 60 | f2(&pinMode, OUTPUT); | ||
| 61 | |||
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4.1 | 62 | // Serial.begin(115200); |
| 63 | |||
| 64 | WiFi.begin(ssid, password); | ||
| 65 | |||
| 66 | while ( WiFi.status() != WL_CONNECTED ) { | ||
| 67 | delay ( 500 ); | ||
| 68 | // Serial.print ( "." ); | ||
| 69 | } | ||
| 70 | |||
| 71 | |||
| 72 | timeClient.begin(); | ||
| 73 | } | ||
| 74 | |||
| 75 | |||
| 76 | unsigned long t; | ||
| 77 | |||
| 78 | |||
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6.1 | 79 | void f1(uint8_t hl) { |
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4.1 | 80 | timeClient.update(); |
| 81 | unsigned long t1; | ||
| 82 | for (; (t1 = timeClient.getEpochTime()) == t; delay(1)); | ||
| 83 | |||
| 84 | t = t1; | ||
| 85 | // Serial.println(timeClient.getFormattedTime()); | ||
| 86 | |||
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6.1 | 87 | f2(&digitalWrite, OUTPUT); |
| 88 | |||
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4.1 | 89 | } |
| 90 | |||
| 91 | void loop() { | ||
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6.1 | 92 | f1(HIGH); |
| 93 | f1(LOW); | ||
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4.1 | 94 | } |
| 95 | {{/code}} | ||
| 96 | |||
| 97 | {{code language="none" title="Upload log"}} | ||
| 98 | Configuring upload protocol... | ||
| 99 | AVAILABLE: espota, esptool | ||
| 100 | CURRENT: upload_protocol = esptool | ||
| 101 | Looking for upload port... | ||
| 102 | Auto-detected: /dev/ttyUSB0 | ||
| 103 | Uploading .pio/build/nodemcuv2/firmware.bin | ||
| 104 | esptool.py v2.8 | ||
| 105 | Serial port /dev/ttyUSB0 | ||
| 106 | Connecting.... | ||
| 107 | Chip is ESP8266EX | ||
| 108 | Features: WiFi | ||
| 109 | Crystal is 26MHz | ||
| 110 | MAC: AA:BB:CC:DD:EE:FF | ||
| 111 | Uploading stub... | ||
| 112 | Running stub... | ||
| 113 | Stub running... | ||
| 114 | Configuring flash size... | ||
| 115 | Auto-detected Flash size: 4MB | ||
| 116 | Compressed 269888 bytes to 199316... | ||
| 117 | |||
| 118 | Writing at 0x00000000... (7 %) | ||
| 119 | Writing at 0x00004000... (15 %) | ||
| 120 | Writing at 0x00008000... (23 %) | ||
| 121 | Writing at 0x0000c000... (30 %) | ||
| 122 | Writing at 0x00010000... (38 %) | ||
| 123 | Writing at 0x00014000... (46 %) | ||
| 124 | Writing at 0x00018000... (53 %) | ||
| 125 | Writing at 0x0001c000... (61 %) | ||
| 126 | Writing at 0x00020000... (69 %) | ||
| 127 | Writing at 0x00024000... (76 %) | ||
| 128 | Writing at 0x00028000... (84 %) | ||
| 129 | Writing at 0x0002c000... (92 %) | ||
| 130 | Writing at 0x00030000... (100 %) | ||
| 131 | Wrote 269888 bytes (199316 compressed) at 0x00000000 in 17.6 seconds (effective 122.6 kbit/s)... | ||
| 132 | Hash of data verified. | ||
| 133 | |||
| 134 | Leaving... | ||
| 135 | Hard resetting via RTS pin... | ||
| 136 | {{/code}} | ||
| 137 | |||
| 138 | {{gallery}} | ||
| 139 | image:front.jpg | ||
| 140 | |||
| 141 | image:back.jpg | ||
| 142 | {{/gallery}} |