STM32MP157 is a multi-core heterogeneous processor, in which Cortex-A7 runs the Linux operating system and Cortex-M4 runs the bare metal. This course introduces how to achieve inter-core communication between Cortex-A7 and Cortex-M4.
Choose one of the two signals A and B to pass. Of course, this is the case when both have signals. If only one has a signal, just let it pass. Now I use the ls123 trigger to determine which one has a
Why is it for(i=0;i>1; sck=1; } in the single byte input? How is SDA placed at this time? Why is it 0X01? And for the single byte readout for(i=0;i>1; sck=0; if(sda) value=value|0x80; // Take out 1 an
When the AT91SAM7S256 serial port receives instructions to send multiple frames of data, the last frame always loses two bytes of data! It is sent normally without serial port instructions, and no dat
[font=微软雅黑][size=3][color=#ffffff]Changhui Instruments[/color] [color=#000000]Original goods: produced by the original factory, divided into imported original and domestic original. [/color] [/size][/