Search found 29 matches

by madhavan
Mon May 09, 2022 8:17 am
Forum: General discussion
Topic: FPU Enable - STM32f401CCU6
Replies: 2
Views: 1865

Re: FPU Enable - STM32f401CCU6

hi, Kept default setting . Tools----->Optimize------>Smallest(-Os default). Tools-----> Debug Symbols ------> None Tools ------> C Runtime Library ----->Newlib nano (default) #include"enable_fpu.h" int sensorValue = 0; void setup() { Serial.begin(9600); float fl_2, fl_3; unsigned long tloo...
by madhavan
Mon May 09, 2022 6:40 am
Forum: General discussion
Topic: FPU Enable - STM32f401CCU6
Replies: 2
Views: 1865

FPU Enable - STM32f401CCU6

Hi, I am trying to enable the FPU on stm32f401CCU6 . I keept the following setting as Default in STM Official Core - Duino. Tools----->Optimize------>Smallest(-Os default). Tools-----> Debug Symbols ------> None Tools ------> C Runtime Library ----->Newlib nano (default) Really what is the exact use...
by madhavan
Tue Sep 21, 2021 1:31 pm
Forum: General discussion
Topic: two I2Cs simultaneously,
Replies: 2
Views: 2087

two I2Cs simultaneously,

hi, i am trying to use two i2c device simultaneously . Individually single port is function is ok like wise PB7 -SDA , PB6 -SCL or PB11-SDA & PB10 -SCL when i am scanning first i2c port with just Wire,begin(); it's giving first device address details .... When i am scanning second i2c port with ...
by madhavan
Fri Sep 10, 2021 10:56 am
Forum: General discussion
Topic: 2 PWM output
Replies: 4
Views: 4978

2 PWM output

hi , I am little afraid !!! :| how to ask !!!. I am trying to get 2 PWM output . the following code is working fine but how to get second PWM on PB1 pin . how modify following line for 2 Pwm or Timer or Counter . HardwareTimer *MyTim = new HardwareTimer(Instance); How to change the *MyTim & inst...
by madhavan
Wed Sep 08, 2021 3:38 am
Forum: General discussion
Topic: USB keyboard
Replies: 5
Views: 4788

Re: USB keyboard

Image
by madhavan
Wed Sep 08, 2021 3:37 am
Forum: General discussion
Topic: USB keyboard
Replies: 5
Views: 4788

Re: USB keyboard

i have used the 5v to 3.3v logic voltage shift for PS2 key board . Atmel SAM3X8E ARM Cortex-M3 CPU. used Arduino Due Board . 2nd USB port can be connected peripherals like USB keyboard or Mouse without shield . STM32 • ARM® 32-bit Cortex®-M3 CPU Core blue pill having the USB port so it can be used f...
by madhavan
Tue Sep 07, 2021 4:25 pm
Forum: General discussion
Topic: USB keyboard
Replies: 5
Views: 4788

Re: USB keyboard

Image
by madhavan
Tue Sep 07, 2021 3:58 pm
Forum: General discussion
Topic: USB keyboard
Replies: 5
Views: 4788

USB keyboard

Hi , I have try with ps2 keyboard connection blue pill but i couldn't succeed . Now i am trying with USB Keyboard . Arduino Due board will support directly USB keyboard but stm32 dunio core not accepting the Arduino USB keyboard library . In the Arduino STM32 examples usb keyboard is not coming . i ...
by madhavan
Sun Sep 05, 2021 2:22 am
Forum: General discussion
Topic: st7920 - 128x64 Blue back light LCD .
Replies: 6
Views: 3882

Re: st7920 - 128x64 Blue back light LCD .

hi david, thanks for your in-depth knowledge sharing to us . U8G2 - SW SPI constructor working .
by madhavan
Sat Sep 04, 2021 2:50 pm
Forum: General discussion
Topic: st7920 - 128x64 Blue back light LCD .
Replies: 6
Views: 3882

Re: st7920 - 128x64 Blue back light LCD .

hi , U8GLIB_ST7920_128X64_1X u8g(PA5, PA7, PA4); // SPI Com: SCK = en = PA5, MOSI = PA7 = 16, CS = di = PA4 Currently U8glib library is in incompatible WARNING: library U8glib claims to run on avr, sam architecture(s) and may be incompatible with your current board which runs on stm32 architecture(s...

Go to advanced search