Function esp_idf_sys::sdio_slave_write_reg

source ยท 
pub unsafe extern "C" fn sdio_slave_write_reg(
    pos: c_int,
    reg: u8,
) -> esp_err_t
Expand description

Write the spi slave register shared with host.

@param pos register address, 0-11, 14-15, 18-19, 24-27 and 32-63, other address are reserved. @param reg the value to write.

@note register 29 and 31 are used for interrupt vector.

@return ESP_ERR_INVALID_ARG if address wrong, otherwise ESP_OK.