Demo MAX7219 library on MIKROELEKTRONIKA Serial 7-Seg Display 8-Digit
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Demo MAX7219 library on MIKROELEKTRONIKA Serial 7-Seg Display 8-Digit This demo has been tested on NUCLEO-F411RE
For 7 segments display : https://www.mikroe.com/serial-7-seg-8-digit-board
For MAX7219 https://www.maximintegrated.com/en/products/power/display-power-control/MAX7219.html
use library https://os.mbed.com/teams/Maxim-Integrated/code/MAX7219/
7 segments display is connected to default SPI on Arduino connectors. STM32 MISO on RC5_PB5 (MOSI) STM32 MOSI on MISO STM32 SCK on RC3_RF3 (SCK) STM32 SS on CS0 5v GND
see manual (https://download.mikroe.com/documents/add-on-boards/other/display/serial-7seg-8-digit-display/serial-7seg-8-digit-display-manual-v100.pdf ) and photo for details
Diff: max7219.cpp
- Revision:
- 1:90a7cf4e7d26
- Parent:
- 0:798fb343e022
- Child:
- 2:9150a0dc77a3
diff -r 798fb343e022 -r 90a7cf4e7d26 max7219.cpp --- a/max7219.cpp Tue Jan 12 23:40:36 2016 +0000 +++ b/max7219.cpp Tue Jan 26 02:17:20 2016 +0000 @@ -126,7 +126,7 @@ //********************************************************************* -int32_t Max7219::init_device(max7219_configuration_t config, uint8_t device_number) +int32_t Max7219::init_device(max7219_configuration_t config) { int32_t rtn_val = -1; uint8_t idx = 0;