1.3.8.4 1.4.6.4 1.5.7.4 1.6.6.4 1.7.7.4 1.10.7.8 1.11.8.8 1.12.7.8 1.13.7.8 1.15.8.8 1.16.6.8 1.17.6.8 1.18.7.8 1.19.6.8 1.20.6.8 1.21.7.8 1.22.9.8 1.23.8.8 1.24.7.8 1.29.8.4 1.30.5.4 1.31.5.4 1.32.8.4 1.33.5.4 1.37.5.4 1.38.6.4 1.39.5.4 1.40.6.4 DMAC_ChannelIsBusy Function

C

bool DMAC_ChannelIsBusy(DMAC_CHANNEL channel)

Summary

Reads the busy status of a channel.

Description

The function returns true if the specified channel is busy with a transfer. This function can be used to poll for the completion of transfer that was started by calling the DMAC_ChannelTransfer() function. This function can be used as a polling alternative to the setting a callback function and receiving an asynchronous notification for transfer notification.

Precondition

DMAC should have been initialized by calling the DMAC_Initialize.

Parameters

Returns

- True - The channel is busy with an on-going transfer.

- False - The channel is not busy and is available for a transfer.

Example

bool returnVal;
returnVal = DMAC_ChannelIsBusy(DMAC_CHANNEL_0);
while( returnVal );

Remarks

None.