Compiling for bluepill (stm32) #7

amit-nath30 · 2020-06-08T15:07:41Z

Hello me again, can you instruct me how to compile using arduino ide, I have installed Stm core from board manager

ryannining · 2020-06-09T00:43:27Z

you can show here the error message.

amit-nath30 · 2020-06-09T07:20:27Z

getting error in motion.h

just open the karyacontroller.ino using arduino ide, selected the board bluepill and hitting verify cause this error

In file included from sketch\gcode.h:4,
from sketch\gcode.cpp:1:
motion.h:30:13: error: expected unqualified-id before numeric constant
30 | #define Z 2
| ^
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\tools\CMSIS\5.5.1/CMSIS/Core/Include/core_cm3.h:214:14: note: in expansion of macro 'Z'
214 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag /
| ^
motion.h:30:13: error: expected unqualified-id before numeric constant
30 | #define Z 2
| ^
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\tools\CMSIS\5.5.1/CMSIS/Core/Include/core_cm3.h:271:14: note: in expansion of macro 'Z'
271 | uint32_t Z:1; /!< bit: 30 Zero condition code flag */
| ^
In file included from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/stm32/analog.h:45,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/board.h:8,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/wiring.h:41,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/Arduino.h:36,
from sketch\platform.h:3,
from sketch\motion.h:38,
from sketch\gcode.h:4,
from sketch\gcode.cpp:1:
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:162:5: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
162 | timerObj_t _timerObj;
| ^~~~~~~~~~
| timer_t
In file included from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/stm32/analog.h:45,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/board.h:8,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/wiring.h:41,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/Arduino.h:36,
from sketch\karyacontroller.ino.cpp:1:
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:162:5: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
162 | timerObj_t _timerObj;
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:166:8: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
166 | extern timerObj_t *HardwareTimer_Handle[TIMER_NUM];
| ^~~~~~~~~~
| timer_t
In file included from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/stm32/analog.h:45,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/board.h:8,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/wiring.h:41,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/Arduino.h:36,
from sketch\platform.h:3,
from sketch\common.h:3,
from sketch\common.cpp:1:
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:162:5: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
162 | timerObj_t _timerObj;
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:168:8: error: 'timer_index_t' does not name a type; did you mean 'timer_init'?
168 | extern timer_index_t get_timer_index(TIM_TypeDef *htim);
| ^~~~~~~~~~~~~
| timer_init
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:166:8: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
166 | extern timerObj_t *HardwareTimer_Handle[TIMER_NUM];
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:166:8: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
166 | extern timerObj_t *HardwareTimer_Handle[TIMER_NUM];
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:168:8: error: 'timer_index_t' does not name a type; did you mean 'timer_init'?
168 | extern timer_index_t get_timer_index(TIM_TypeDef *htim);
| ^~~~~~~~~~~~~
| timer_init
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:168:8: error: 'timer_index_t' does not name a type; did you mean 'timer_init'?
168 | extern timer_index_t get_timer_index(TIM_TypeDef *htim);
| ^~~~~~~~~~~~~
| timer_init
In file included from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/stm32/analog.h:45,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/board.h:8,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/wiring.h:41,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/Arduino.h:36,
from sketch\platform.h:3,
from sketch\eprom.cpp:1:
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:162:5: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
162 | timerObj_t _timerObj;
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:166:8: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
166 | extern timerObj_t *HardwareTimer_Handle[TIMER_NUM];
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:168:8: error: 'timer_index_t' does not name a type; did you mean 'timer_init'?
168 | extern timer_index_t get_timer_index(TIM_TypeDef htim);
| ^~~~~~~~~~~~~
| timer_init
In file included from sketch\common.cpp:1:
sketch\common.h: In function 'void serialwr(uint8_t)':
common.h:72:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
72 | Serial.write(s);
| ^~~~~~
| Serial9
In file included from sketch\eprom.cpp:3:
sketch\common.h: In function 'void serialwr(uint8_t)':
common.h:72:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
72 | Serial.write(s);
| ^~~~~~
| Serial9
In file included from sketch\gcode.cpp:2:
sketch\common.h: In function 'void serialwr(uint8_t)':
common.h:72:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
72 | Serial.write(s);
| ^~~~~~
| Serial9
sketch\common.h: In function 'void serialwr0(uint8_t)':
common.h:76:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
76 | Serial.write(s);
| ^~~~~~
| Serial9
sketch\common.h: In function 'void serialwr0(uint8_t)':
common.h:76:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
76 | Serial.write(s);
| ^~~~~~
| Serial9
sketch\common.h: In function 'void serialwr0(uint8_t)':
common.h:76:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
76 | Serial.write(s);
| ^~~~~~
| Serial9
In file included from D:\3d_printer_controller\karyacontroller\karyacontroller.ino:7:
sketch\common.h: In function 'void serialwr(uint8_t)':
common.h:72:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
72 | Serial.write(s);
| ^~~~~~
| Serial9
sketch\common.h: In function 'void serialwr0(uint8_t)':
common.h:76:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
76 | Serial.write(s);
| ^~~~~~
| Serial9
D:\3d_printer_controller\karyacontroller\karyacontroller.ino: In function 'char gcode_loop()':
common.h:83:20: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
83 | #define serialav() Serial.available()
| ^~~~~~
D:\3d_printer_controller\karyacontroller\karyacontroller.ino:829:9: note: in expansion of macro 'serialav'
829 | if (serialav())
| ^~~~~~~~
D:\3d_printer_controller\karyacontroller\karyacontroller.ino: In function 'void setup()':
common.h:84:26: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
84 | #define serialinit(baud) Serial.begin(baud)
| ^~~~~~
D:\3d_printer_controller\karyacontroller\karyacontroller.ino:932:3: note: in expansion of macro 'serialinit'
932 | serialinit(BAUDRATE); //115200);
| ^~~~~~~~~~
sketch\gcode.cpp: At global scope:
gcode.cpp:536:1: error: 'File' does not name a type
536 | File fme;
| ^~~~
In file included from sketch\main.cpp:1:
motion.h:30:13: error: expected unqualified-id before numeric constant
30 | #define Z 2
| ^
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\tools\CMSIS\5.5.1/CMSIS/Core/Include/core_cm3.h:214:14: note: in expansion of macro 'Z'
214 | uint32_t Z:1; /!< bit: 30 Zero condition code flag /
| ^
motion.h:30:13: error: expected unqualified-id before numeric constant
30 | #define Z 2
| ^
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\tools\CMSIS\5.5.1/CMSIS/Core/Include/core_cm3.h:271:14: note: in expansion of macro 'Z'
271 | uint32_t Z:1; /!< bit: 30 Zero condition code flag */
| ^
In file included from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/stm32/analog.h:45,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/board.h:8,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/wiring.h:41,
from C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/Arduino.h:36,
from sketch\platform.h:3,
from sketch\motion.h:38,
from sketch\main.cpp:1:
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:162:5: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
162 | timerObj_t _timerObj;
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:166:8: error: 'timerObj_t' does not name a type; did you mean 'timer_t'?
166 | extern timerObj_t *HardwareTimer_Handle[TIMER_NUM];
| ^~~~~~~~~~
| timer_t
C:\Users\amitn\AppData\Local\Arduino15\packages\STM32\hardware\stm32\1.9.0\cores\arduino/HardwareTimer.h:168:8: error: 'timer_index_t' does not name a type; did you mean 'timer_init'?
168 | extern timer_index_t get_timer_index(TIM_TypeDef *htim);
| ^~~~~~~~~~~~~
| timer_init
In file included from sketch\main.cpp:3:
sketch\common.h: In function 'void serialwr(uint8_t)':
common.h:72:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
72 | Serial.write(s);
| ^~~~~~
| Serial9
sketch\common.h: In function 'void serialwr0(uint8_t)':
common.h:76:3: error: 'Serial' was not declared in this scope; did you mean 'Serial9'?
76 | Serial.write(s);
| ^~~~~~
| Serial9
exit status 1
expected unqualified-id before numeric constant

amit-nath30 · 2020-06-09T20:40:27Z

another error i got

gcode.cpp:536:1: error: 'File' does not name a type

File fme;

^

exit status 1
'File' does not name a type

amit-nath30 · 2020-06-10T09:34:28Z

made the changes to compile successfully, but now it the ram overflow issue

ryannining · 2020-07-11T04:42:31Z

yu mean, can compile but use more ram so cannot be uploaded to stm32 ?

amit-nath30 · 2020-07-11T13:24:29Z

yes, but solved the issue by lowering the gcode buffer

amit-nath30 · 2020-07-11T13:26:00Z

is there any plan for clearing the code?? i would love to help, but could not under stand

ryannining · 2020-07-18T01:47:19Z

of course so much help will be needed.

but i dont really familiar with github, i just use it put my software.
And because looks i am the only using it right now... hahahahahha. I have 3 CNC router machine, many 3D printer and 1 C02 Laser CNC using this karyacontroller and karyacnc (CAM).

But maybe we can clean per section.

Serial data buffer and Gcode decoder
Motion calculation
Motion buffer
Timer (AVR, ARM, ESP, maybe add other such ESP32)
Heater and PID (for 3d printer).

ryannining · 2020-07-18T01:48:26Z

And i love using ESP3866, because its cheap, WIFI, bigger RAM and have Storage 3M for storing jobs for CNC. And even for 3D printer if the code less than that (compressed using karyacnc).

ryannining · 2020-07-18T08:43:28Z

/home/ryan/.arduino15/packages/arduino/tools/arm-none-eabi-gcc/4.8.3-2014q1/bin/../lib/gcc/arm-none-eabi/4.8.3/../../../../arm-none-eabi/bin/ld: region `ram' overflowed by 5712 bytes
collect2: error: ld returned 1 exit status
Using library EEPROM in folder: /home/ryan/arduino/arduino-1.8.12/hardware/Arduino_STM32-master/STM32F1/libraries/EEPROM (legacy)

I just install STM32 build on my ubuntu and get this result. Ram overflow... maybe because many feature added after my last stm32 bluepill machine work long time ago. To focus on ESP8266

But its weird that its compiled OK on arduino UNO. with less ram

ryannining · 2020-07-18T08:48:11Z

Looks like the MESH leveling zbuffer feature doesnot fit on other than ESP8266.
Also the RASTER data (for laser bitmap rendering) is take lots ram

on gcode.h line 84

#define g_str_len 64
#elif defined( __ARM__)
#define g_str_len 2000
#else
#define g_str_len 14000
#endif

amit-nath30 · 2020-07-20T10:26:04Z

mainly the motion.cpp and gcode.cpp need to be cleaned, this 2 file is beyond my capibility as i dont know the algo involved in it
other files i can handle the clean up

ryannining · 2020-07-20T11:32:43Z

yeah, its ok to clean other files first. I will upload the latest file tonight. It contain latest code especially for Constant power Laser burn. And i have test to compile on Uno, STM32, Esp8266

motion.cpp is a mix between GRBL and my own command buffer, and S-curve using constant Jerk implementation. i think what make it complicated is because long time ago i want to implement non linear motion, like DELTA 3d printer, SCARA, etc. I think its to much to clean... i myself sometimes confuse if read that file.

As for GCODE i get the core code from teacup, because its small. and i implement the decoding gcode and add some new gcode there.

amit-nath30 · 2020-07-20T13:17:25Z

yes i have also port teacup to stm32 bluepill using SPL library, it was steep learning curve. need to test when i will make my hardware for 3d printing

ryannining · 2020-07-20T13:54:09Z

Hahaha, tosss, i was start from Teacup too, but then add Back and forward planner put me on the GRBL, REPETIER, TinyG, etc.

And since i was using my firmware for all my workshop machine, that keep motivation to me to make it work. Also, you can see i have Inkscape path to Gcode too, karyacnc. Both are used for my workshop laser cutting and CNC router working.

amit-nath30 · 2020-07-20T16:27:56Z

I will also like to add lcd support for printing through sd card without pc

ryannining · 2020-07-21T07:58:12Z

I will also like to add lcd support for printing through sd card without pc

it will be great ! is it enough PIN left for SDCARD and LCD ?

amit-nath30 · 2020-07-21T18:06:17Z

for stm32, ad uno dont have extra pins, and i dont have esp

ryannining · 2020-07-22T07:13:44Z

ESP8266 have less pin

RepRapThailand · 2020-07-23T02:45:02Z

Hello,
I would like to propose ESP32

ryannining · 2020-07-23T05:35:34Z

yes, that will be nice

RepRapThailand · 2020-07-23T09:57:21Z

yes, that will be nice

Is it possible? If you will come to develop with ESP32

ryannining · 2020-07-23T10:45:53Z

Well i think we need to research about how to use hardware timer in esp32, other than that i think all are same.

ryannining · 2020-07-23T15:45:44Z

Just write a quick timer code and some definition for ESP32, and its compiled. I dont know if its correct on implementation, but i think i need to make the board first.

#ifdef ESP32
#define USETIMEROK
 
hw_timer_t * timer = NULL;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
 
void IRAM_ATTR tm() {
  portENTER_CRITICAL_ISR(&timerMux);
  int d = timercode();
  if (d < 6)d = 6;

  timerAlarmWrite(timer, d, true);
  timerAlarmEnable(timer);
  
  portEXIT_CRITICAL_ISR(&timerMux);
 
}

void timer_init()
{
  timer = timerBegin(0, 80, true);
  timerAttachInterrupt(timer, &tm, true);
  timerAlarmWrite(timer, 12000, true);
  timerAlarmEnable(timer);
}

#endif //esp32

.....

Linking everything together...
/home/ryan/.arduino15/packages/esp32/tools/xtensa-esp32-elf-gcc/1.22.0-80-g6c4433a-5.2.0/bin/xtensa-esp32-elf-gcc -nostdlib -L/home/ryan/.arduino15/packages/esp32/hardware/esp32/1.0.4/tools/sdk/lib -L/home/ryan/.arduino15/packages/esp32/hardware/esp32/1.0.4/tools/sdk/ld -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld -T esp32.rom.libgcc.ld -T esp32.rom.spiram_incompatible_fns.ld -u ld_include_panic_highint_hdl -u call_user_start_cpu0 -Wl,--gc-sections -Wl,-static -Wl,--undefined=uxTopUsedPriority -u __cxa_guard_dummy -u __cxx_fatal_exception -Wl,--start-group /tmp/arduino_build_713206/sketch/DIO2.c.o /tmp/arduino_build_713206/sketch/backup.cpp.o /tmp/arduino_build_713206/sketch/common.cpp.o /tmp/arduino_build_713206/sketch/eprom.cpp.o /tmp/arduino_build_713206/sketch/gcode.cpp.o /tmp/arduino_build_713206/sketch/gcodesave.cpp.o /tmp/arduino_build_713206/sketch/karyacontroller.ino.cpp.o /tmp/arduino_build_713206/sketch/main.cpp.o /tmp/arduino_build_713206/sketch/motion.cpp.o /tmp/arduino_build_713206/sketch/pid.cpp.o /tmp/arduino_build_713206/sketch/temp.cpp.o /tmp/arduino_build_713206/sketch/timer.cpp.o /tmp/arduino_build_713206/libraries/EEPROM/EEPROM.cpp.o /tmp/arduino_cache_973785/core/core_c39d0c267da2e8a8e3a55ec13b4a0ec5.a -lgcc -lesp32 -lphy -lesp_http_client -lmbedtls -lrtc -lesp_http_server -lbtdm_app -lspiffs -lbootloader_support -lmdns -lnvs_flash -lfatfs -lpp -lnet80211 -ljsmn -lface_detection -llibsodium -lvfs -ldl_lib -llog -lfreertos -lcxx -lsmartconfig_ack -lxtensa-debug-module -lheap -ltcpip_adapter -lmqtt -lulp -lfd -lfb_gfx -lnghttp -lprotocomm -lsmartconfig -lm -lethernet -limage_util -lc_nano -lsoc -ltcp_transport -lc -lmicro-ecc -lface_recognition -ljson -lwpa_supplicant -lmesh -lesp_https_ota -lwpa2 -lexpat -llwip -lwear_levelling -lapp_update -ldriver -lbt -lespnow -lcoap -lasio -lnewlib -lconsole -lapp_trace -lesp32-camera -lhal -lprotobuf-c -lsdmmc -lcore -lpthread -lcoexist -lfreemodbus -lspi_flash -lesp-tls -lwpa -lwifi_provisioning -lwps -lesp_adc_cal -lesp_event -lopenssl -lesp_ringbuf -lfr -lstdc++ -Wl,--end-group -Wl,-EL -o /tmp/arduino_build_713206/karyacontroller.ino.elf
python /home/ryan/.arduino15/packages/esp32/hardware/esp32/1.0.4/tools/gen_esp32part.py -q /home/ryan/.arduino15/packages/esp32/hardware/esp32/1.0.4/tools/partitions/default.csv /tmp/arduino_build_713206/karyacontroller.ino.partitions.bin
python /home/ryan/.arduino15/packages/esp32/tools/esptool_py/2.6.1/esptool.py --chip esp32 elf2image --flash_mode dio --flash_freq 80m --flash_size 4MB -o /tmp/arduino_build_713206/karyacontroller.ino.bin /tmp/arduino_build_713206/karyacontroller.ino.elf
esptool.py v2.6
Using library EEPROM at version 1.0.3 in folder: /home/ryan/.arduino15/packages/esp32/hardware/esp32/1.0.4/libraries/EEPROM 
/home/ryan/.arduino15/packages/esp32/tools/xtensa-esp32-elf-gcc/1.22.0-80-g6c4433a-5.2.0/bin/xtensa-esp32-elf-size -A /tmp/arduino_build_713206/karyacontroller.ino.elf
Sketch uses 249825 bytes (19%) of program storage space. Maximum is 1310720 bytes.
Global variables use 33124 bytes (10%) of dynamic memory, leaving 294556 bytes for local variables. Maximum is 327680 bytes.```

amit-nath30 · 2020-07-29T13:22:22Z

are you using platform.io for compiling??

ryannining · 2020-09-09T15:31:42Z

I will also like to add lcd support for printing through sd card without pc

Hi, i found a way to use IR remote (1 pin) and I2C oled (2 pin TX RX) and now it have offline display. But the code still messy ... and perhaps now it wont compile on other than ESP8266....

amit-nath30 · 2020-09-09T16:11:27Z

yes i have just now seen your youtube video, excellent job

amit-nath30 · 2020-09-09T16:12:45Z

i still haven't able to develop the code is busy with a project i got, i am a freelance you see

amit-nath30 · 2020-09-09T16:14:03Z

what library did you use for LCD menu???

ryannining · 2020-09-10T15:42:18Z

esp8266 sd1306 by thingpulse, other library not work on my oled

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Compiling for bluepill (stm32) #7

Compiling for bluepill (stm32) #7

amit-nath30 commented Jun 8, 2020

ryannining commented Jun 9, 2020

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Compiling for bluepill (stm32) #7

Compiling for bluepill (stm32) #7

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