Texas Instruments Tiva TM4C123GH6PM User Manual

uDMA Controller
UDMA_CHANNEL_USBEP1TX
UDMA_CHANNEL_USBEP2RX
UDMA_CHANNEL_USBEP2TX
UDMA_CHANNEL_USBEP3RX
UDMA_CHANNEL_USBEP3TX
UDMA_CHANNEL_SW
UDMA_SEC_CHANNEL_SW
Returns:
None.
23.2.1.7 ROM_uDMAChannelEnable
Enables a uDMA channel for operation.
Prototype:
void
ROM_uDMAChannelEnable(uint32_t ui32ChannelNum)
ROM Location:
ROM_APITABLE is an array of pointers located at 0x0100.0010.
ROM_UDMATABLE is an array of pointers located at ROM_APITABLE[17].
ROM_uDMAChannelEnable is a function pointer located at ROM_UDMATABLE[5].
Parameters:
ui32ChannelNum is the channel number to enable.
Description:
This function enables a specific uDMA channel for use. This function must be used to enable
a channel before it can be used to perform a uDMA transfer.
When a uDMA transfer is completed, the channel is automatically disabled by the uDMA con-
troller. Therefore, this function should be called prior to starting up any new transfer.
The ui32ChannelNum parameter must be only one of the following values:
UDMA_CHANNEL_ADC0
UDMA_CHANNEL_ADC1
UDMA_CHANNEL_ADC2
UDMA_CHANNEL_ADC3
UDMA_SEC_CHANNEL_ADC10
UDMA_SEC_CHANNEL_ADC11
UDMA_SEC_CHANNEL_ADC12
UDMA_SEC_CHANNEL_ADC13
UDMA_CHANNEL_SSI0RX
UDMA_CHANNEL_SSI0TX
UDMA_CHANNEL_SSI1RX
UDMA_CHANNEL_SSI1TX
UDMA_SEC_CHANNEL_SSI1RX
UDMA_SEC_CHANNEL_SSI1TX
282 April 8, 2013

Texas Instruments Tiva TM4C123GH6PM Specifications

General

Brand	Texas Instruments
Model	Tiva TM4C123GH6PM
Category	Microcontrollers
Language	English