1.25.26.9 1.26.23.9 1.27.28.9 1.28.28.9 1.34.29.9 1.41.24.9 1.42.23.9 XDMACn_ChannelSettingsSet Function

C

// n is instance of the peripheral and it is applicable only for devices having multiple instances of the peripheral.
bool XDMACnChannelSettingsSet (XDMAC_CHANNEL channel, XDMAC_CHANNEL_SETTINGS setting)

Summary

Sets the channel settings of a specific XDMAC Channel.

Description

This function sets the channel settings of the XDMAC channel.

This function can be used along with the XDMAC_ChannelSettingsGet to update any specific setting of the XDMAC channel. Any ongoing transaction of the specified XDMAC channel will be aborted when this function is called.

Precondition

XDMAC should have been initialized by calling XDMACn_Initialize.

Parameters

Returns

Settings update status. - True - Channel settings are updated successfully.

- False - Channel settings update failed.

Example

//Update the transfer direction dynamically which was set to
//PER2MEM from within DMA manager to MEM2PER.
XDMAC_CHANNEL_CONFIG settings = 0;
settings = XDMAC_ChannelSettingsGet(XDMAC_CHANNEL_0);
settings = (settings & ~XDMAC_CC_DSYNC_Msk) | XDMAC_CC_DSYNC_MEM2PER;
XDMAC_ChannelSettingsSet(XDMAC_CHANNEL_0, settings);

Remarks

Use macro definitions from the packs header to construct a new setting.