Function spi_write_buffer

Asynchronous buffer write.

enum status_code spi_write_buffer_job(
		struct spi_module *const module,
		uint8_t * tx_data,
		uint16_t length)

Sets up the driver to write to the SPI from a given buffer. If registered and enabled, a callback function will be called when the write is finished.

Table 1. Parameters
Data direction	Parameter name	Description
[in]	module	Pointer to SPI software instance struct
[out]	tx_data	Pointer to data buffer to receive
[in]	length	Data buffer length

Returns

Status of the write request operation.

Table 2. Return Values
Return value	Description
STATUS_OK	If the operation completed successfully
STATUS_ERR_BUSY	If the SPI was already busy with a write operation
STATUS_ERR_INVALID_ARG	If requested write length was zero