SPRUIU1D July 2020 – December 2024 DRA821U , DRA821U-Q1
Table 12-648 lists the receive-only procedure using the interrupt method.
| Step | Register/Bit Field/Programming Model | Value |
|---|---|---|
| Configure the channel according to the mode. | See Table 12-624. | |
| Start the channel. | MCSPI_CHCTRL_0/1/2/3[0] EN | 1 |
| Enable the interrupt for the receiver register. | MCSPI_IRQENABLE[2] RX_FULL_ENABLE | 1 |
| Wait for interrupt. | ||
| Read the status register. | MCSPI_IRQSTATUS[2] RX_FULL | 1 |
| Disable the interrupt if no more data is expected. | MCSPI_IRQENABLE[2] RX_FULL_ENABLE | 0 |
| Stop the channel if no more data is expected. | MCSPI_CHCTRL_0/1/2/3[0] EN | 0 |
| Read the receiver register. | MCSPI_RX_0/1/2/3 | 0x- |