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--- projects:internetofthings:micropython [2018/01/19 17:47] – [led] scipio
+++ projects:internetofthings:micropython [2018/11/03 08:46] (current) – [led] scipio
@@ Line 1: / Line 1: @@
 ====== micropython ======
-===== esptools =====
+===== esptools / ampy =====
 <code>
 pip install esptool
+pip install adafruit-ampy
 </code>
@@ Line 11: / Line 12: @@
 esptool.py chip_id
 </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 =====
@@ Line 16: / Line 64: @@
 download micropython from http://micropython.org/download#esp8266
 <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>
 erase (optional ?) and upload
 <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>
+after press buttons !!!!
 access from serial over USB
@@ Line 49: / Line 102: @@
 reboot and connect to webrepl using http://micropython.org/webrepl/
+===== main =====
+<code>
+ampy -p /dev/ttyUSB0 put blink.py  /main.py
+</code>
 ===== led =====
@@ Line 56: / Line 115: @@
 # GPIO16 (D0) is the internal LED for NodeMCU
+# PIN 22 fro TTGO MINI32
 led = Pin(16, Pin.OUT)
@@ Line 66: / Line 126: @@
     #sleep(1)
 </code>