Timeline for STM32F0 SPI programming of MAX7219
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 30, 2019 at 9:22 | comment | added | Justme | It does not fix it, because, code sets CS low, starts transmitting data in background using interrupts, does not wait for transmit completion and immediately sets CS high, so chip does not see any bytes while CS low. Solution may be not to use interrupts, or to read the manual or comments in library code how to use interupt driven SPI properly. | |
| Apr 30, 2019 at 9:10 | comment | added | Rompel | removing the receive command, does not change the solution. and i am asking myself what shall i change to get it work. could you propose a guide solution? | |
| Apr 30, 2019 at 8:58 | history | answered | Justme | CC BY-SA 4.0 |