Code upload to ESP8266 runs, but does not seem to execute.
Posted: Sat Oct 22, 2022 7:41 pmHello all,
I am a newcomer to the world of the ESP8266. I am trying to use an ESP8266 to mod an Olympia InfoGlobe. I previously asked a question about doing this mod here on GitHub, and ended up getting help with implementing the hardware mods. The hardware mods were completed for me based on instructions provided here:
I am now trying to program the ESP8266 that was installed in my InfoGlobe, but I am having an issue with the code uploading, but not executing on the microcontroller. I am currently trying to test using the following code to print to serial output:
The output that I get in the Arduino IDE when uploading this is the following:
When I try to use the Serial Monitor to watch for output, nothing is printed. The only time anything gets printed to the Serial Monitor is the following gibberish whenever I push the button on the controller: rll�r$�n � l� b|���rb� b�nnlnnb bpp�$blrl
What is going on here? I am sure I am doing something wrong, but I do not know what that would be. I do not know if this is relevant, but I have tried power cycling the device, but that has not helped. Additionally, the on-board LED flashes quickly when it is plugged back in to a power source.
Any help would be greatly appreciated.
I am a newcomer to the world of the ESP8266. I am trying to use an ESP8266 to mod an Olympia InfoGlobe. I previously asked a question about doing this mod here on GitHub, and ended up getting help with implementing the hardware mods. The hardware mods were completed for me based on instructions provided here:
I am now trying to program the ESP8266 that was installed in my InfoGlobe, but I am having an issue with the code uploading, but not executing on the microcontroller. I am currently trying to test using the following code to print to serial output:
Code: Select all
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Hello, you've entered setup()...");
}
void loop() {
// put your main code here, to run repeatedly:
Serial.println("Good day, you're in loop()...");
delay(2000);
}The output that I get in the Arduino IDE when uploading this is the following:
Code: Select all
Executable segment sizes:
ICACHE : 32768 - flash instruction cache
IROM : 236036 - code in flash (default or ICACHE_FLASH_ATTR)
IRAM : 26729 / 32768 - code in IRAM (IRAM_ATTR, ISRs...)
DATA : 1496 ) - initialized variables (global, static) in RAM/HEAP
RODATA : 944 ) / 81920 - constants (global, static) in RAM/HEAP
BSS : 25608 ) - zeroed variables (global, static) in RAM/HEAP
Sketch uses 265205 bytes (27%) of program storage space. Maximum is 958448 bytes.
Global variables use 28048 bytes (34%) of dynamic memory, leaving 53872 bytes for local variables. Maximum is 81920 bytes.
esptool.py v3.0
Serial port COM4
Connecting....
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
MAC: 30:83:98:86:3c:58
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Auto-detected Flash size: 4MB
Flash params set to 0x0340
Compressed 269360 bytes to 197740...
Writing at 0x00000000... (7 %)
Writing at 0x00004000... (15 %)
Writing at 0x00008000... (23 %)
Writing at 0x0000c000... (30 %)
Writing at 0x00010000... (38 %)
Writing at 0x00014000... (46 %)
Writing at 0x00018000... (53 %)
Writing at 0x0001c000... (61 %)
Writing at 0x00020000... (69 %)
Writing at 0x00024000... (76 %)
Writing at 0x00028000... (84 %)
Writing at 0x0002c000... (92 %)
Writing at 0x00030000... (100 %)
Wrote 269360 bytes (197740 compressed) at 0x00000000 in 17.5 seconds (effective 123.0 kbit/s)...
Hash of data verified.
Leaving...
Hard resetting via RTS pin...
When I try to use the Serial Monitor to watch for output, nothing is printed. The only time anything gets printed to the Serial Monitor is the following gibberish whenever I push the button on the controller: rll�r$�n � l� b|���rb� b�nnlnnb bpp�$blrl
What is going on here? I am sure I am doing something wrong, but I do not know what that would be. I do not know if this is relevant, but I have tried power cycling the device, but that has not helped. Additionally, the on-board LED flashes quickly when it is plugged back in to a power source.
Any help would be greatly appreciated.
