projects:internetofthings:micropython

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projects:internetofthings:micropython [2018/01/19 17:43] – created scipioprojects:internetofthings:micropython [2018/11/03 08:46] (current) – [led] scipio
Line 1: Line 1:
 ====== micropython ====== ====== micropython ======
  
-===== esptools =====+===== esptools / ampy =====
  
 <code> <code>
 pip install esptool pip install esptool
 +pip install adafruit-ampy
 </code> </code>
  
Line 11: Line 12:
 esptool.py chip_id esptool.py chip_id
 </code> </code>
 +
 +===== esp32 =====
 +
 +Download firmware from http://www.micropython.org/download
 +
 +erase flash (before any micropython deploy)
 +<code>
 +export PORT=/dev/ttyUSB1
 +esptool.py --chip esp32 --port $PORT erase_flash
 +</code>
 +
 +write firmware
 +<code>
 +esptool.py --chip esp32 --port $PORT write_flash -z 0x1000 esp32-20181103-v1.9.4-683-gd94aa577a.bin
 +</code>
 +
 +
 +==== old ====
 +
 +Based on [[https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo|loboris fork]] of micropython
 +
 +<code>
 +sudo apt-get install git wget make libncurses-dev flex bison gperf python python-serial
 +</code>
 +
 +<code>
 +git clone --depth 1 https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo
 +cd MicroPython_ESP32_psRAM_LoBo
 +cd MicroPython_BUILD
 +./BUILD.sh menuconfig
 +./BUILD.sh
 +./BUILD.sh flash
 +# reboot board disconnecting power
 +</code>
 +
 +
 +
 +  * download micropython from http://micropython.org/download#esp32
 +
 +
 +
 +If you are putting MicroPython on for the first time then you should first erase the entire flash
 +<code>
 +esptool.py --port /dev/ttyUSB0 erase_flash
 +</code>
 +
 +
  
 ===== esp8266 ===== ===== esp8266 =====
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 download micropython from http://micropython.org/download#esp8266 download micropython from http://micropython.org/download#esp8266
 <code> <code>
-wget http://micropython.org/resources/firmware/esp8266-20171101-v1.9.3.bin+wget http://micropython.org/resources/firmware/esp8266-20180511-v1.9.4.bin
 </code> </code>
  
 erase (optional ?) and upload erase (optional ?) and upload
 <code> <code>
-esptool.py --port /dev/ttyUSB0 erase_flash +#esptool --port /dev/ttyUSB0 erase_flash 
-esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect 0 esp8266-20171101-v1.9.3.bin+esptool --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect 0 esp8266-20180511-v1.9.4.bin 
 + 
 +# oppure 
 +esptool --port /dev/ttyUSB0 --baud 115200 write_flash --flash_mode dout --verify --flash_size=detect -fm dio 0 esp8266-20180511-v1.9.4.bin
 </code> </code>
 +
 +after press buttons !!!!
  
 access from serial over USB access from serial over USB
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 reboot and connect to webrepl using http://micropython.org/webrepl/ reboot and connect to webrepl using http://micropython.org/webrepl/
  
 +
 +===== main =====
 +
 +<code>
 +ampy -p /dev/ttyUSB0 put blink.py  /main.py
 +</code>
 ===== led ===== ===== led =====
  
Line 56: Line 115:
  
 # GPIO16 (D0) is the internal LED for NodeMCU # GPIO16 (D0) is the internal LED for NodeMCU
 +# PIN 22 fro TTGO MINI32
 led = Pin(16, Pin.OUT) led = Pin(16, Pin.OUT)
  
 # The internal LED turn on when the pin is LOW # The internal LED turn on when the pin is LOW
 while True: while True:
-    led.on() +    led.value(not led.value()) 
-    sleep(1) +    #led.on()
-    led.off()+
     sleep(1)     sleep(1)
 +    #led.off()
 +    #sleep(1)
 </code> </code>
 +
  
  • projects/internetofthings/micropython.1516380201.txt.gz
  • Last modified: 2018/01/19 17:43
  • by scipio