查看ESP32 RTC External Wakeup的源代码
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ESP32 RTC External Wakeup
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== Quick Start == In Linux: === Install ESP-IDF === <source lang=bash> $ sudo apt-get install git wget make libncurses-dev flex bison gperf python python-serial $ wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux32-1.22.0-59.tar.gz $ mkdir -p toolchain $ tar zxf xtensa-esp32-elf-linux32-1.22.0-59.tar.gz -C toolchain $ export PATH=$PATH:`pwd`/toolchain/xtensa-esp32-elf/bin $ $ git clone --recursive git://github.com/icamgo/esp-idf.git $ export IDF_PATH=`pwd`/esp-idf </source> <br><br> === Compile === <source lang=bash> $ cd esp-idf/examples/20_ext_wakeup $ make menuconfig $ make flash -j2 </source> <br><br> === Upload === <source lang=bash> $ make flash </source> You need to press the RST buttom after uploading the firmware into flash. If you guys do not like to do this please patch the /path/to/esp-idf/components/esptool_py/esptool/esptool.py : <source lang=bash> diff --git a/esptool.py b/esptool.py index 755f4cb..ff92c91 100755 --- a/esptool.py +++ b/esptool.py @@ -197,6 +197,12 @@ class ESPLoader(object): + '\xc0' self._port.write(buf) + def reset_to_app(self): + self._port.setDTR(False) + self._port.setRTS(True) + time.sleep(0.05) + self._port.setRTS(True) + """ Calculate checksum of a blob, as it is defined by the ROM """ @staticmethod def checksum(data, state=ESP_CHECKSUM_MAGIC): @@ -1421,7 +1427,6 @@ def dump_mem(esp, args): sys.stdout.flush() print 'Done!' - def write_flash(esp, args): """Write data to flash """ @@ -1503,6 +1508,7 @@ def write_flash(esp, args): if args.verify: print 'Verifying just-written flash...' verify_flash(esp, args, header_block) + esp.reset_to_app() def image_info(args): </source> Then Quantum can reset to run your app automatically after uploading the firmware into flash <br><br> === Connections === Connect a Blue/Yellow LED from Quantum_D7_GPIO27 to GND: * LED_Anode <-----> Quantum_D7_GPIO27 * LED_Cathode <----> Quantum_GND The LED would flash two times when the board boot up and then enter deep sleep mode. Connecting the GPIO35 (RTC_IO5) to 3V3 when you guys need to wakeup the ESP32 <br><br>
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