DlnSpiFlashReadPage() Function

The DlnSpiFlashReadPage() function receives data via SPI flash interface. The data is received as an array of 1-byte elements.

Syntax

C/C++

DLN_RESULT DlnSpiFlashReadPage(
  HDLN handle, 
  uint8_t port, 
  uint32_t address, 
  uint8_t *buffer, 
  uint16_t size
);

Parameters

handle: A handle to the DLN-series adapter.
port: A number of the SPI flash port.
address: Device address for reading data from.
buffer: A pointer to an array of unsigned 8-bit integers. This array will be filled with data received.
size: Read data size.

Return Value

DLN_RES_SUCCESS (0x00): The function successfully retrieved the selected SS lines.
DLN_RES_INVALID_PORT_NUMBER (0xA8): The port number is not valid. Use the DlnSpiFlashGetPortCount() function to find the maximum possible port number.
DLN_RES_INVALID_BUFFER_SIZE (0xAE): The buffer size is not valid. This value cannot exceed 256 bytes.
DLN_RES_DISABLED (0xB7): The SPI flash port is disabled. Use the DlnSpiFlashEnable() function to activate the SPI flash port.

Remarks

The DlnSpiFlashReadPage() function is defined in the dln_spi_flash.h file.

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