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HAL_UARTFeatures
Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_UARTFeatures
HAL_UARTFeatures
(HAL entry #68)
int HAL_UARTFeatures(int port)
| Entry | |
|---|---|
| port | Port number to query |
| Exit | |
|---|---|
| Bit 0 | FIFOs available |
| Bit 1 | DMA available |
| Bit 2 | Modem lines available |
Use
This is an internal call for use by the DualSerial? module and should not be used by user code. Instead of calling the HAL directly, user code should interact with the Serial* entries that DualSerial creates in DeviceFS.
Requests information about the available features of the indicated port