... <看更多>

Several displays - the latest I have tried is a "240x240 IPS ST7789" using SPI. Have also used a 1306 (128x64 pixels) on the I2C bus; NRF24L01 ... ... <看更多>

You are close. The datasheet shows write register as 001A AAAA and read as 000A AAAA, where the 5 A's represent the register you want to ... ... <看更多>

RF24 makes use of the standard hardware SPI pins (MISO, MOSI, SCK) and requires two additional pins, to control the chip-select and chip-enable functions. ... <看更多>

Just one little thing I've noticed in the first line of your "spi_transfer" function... while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);. ... <看更多>