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CC27xxDriverLibrary
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#include <stdbool.h>#include <stdint.h>#include "../inc/hw_types.h"#include "../inc/hw_ints.h"#include "../inc/hw_memmap.h"#include "../inc/hw_dma.h"#include "debug.h"#include "interrupt.h"
Go to the source code of this file.
Data Structures | |
| struct | uDMAControlTableEntry |
| A structure that defines an entry in the channel control table. More... | |
Macros | |
| #define | uDMATaskStructEntry(transferCount, itemSize, srcIncrement, pSrcAddr, dstIncrement, pDstAddr, arbSize, mode) |
| A helper macro for building scatter-gather task table entries. More... | |
| #define | UDMA_NUM_CHANNELS 8 |
| #define | UDMA_PRIORITY_LOW 0x00000000 |
| #define | UDMA_PRIORITY_HIGH 0x00000001 |
| #define | UDMA_ATTR_USEBURST 0x00000001 |
| #define | UDMA_ATTR_ALTSELECT 0x00000002 |
| #define | UDMA_ATTR_HIGH_PRIORITY 0x00000004 |
| #define | UDMA_ATTR_REQMASK 0x00000008 |
| #define | UDMA_ATTR_ALL 0x0000000F |
| #define | UDMA_MODE_STOP 0x00000000 |
| #define | UDMA_MODE_BASIC 0x00000001 |
| #define | UDMA_MODE_AUTO 0x00000002 |
| #define | UDMA_MODE_PINGPONG 0x00000003 |
| #define | UDMA_MODE_MEM_SCATTER_GATHER 0x00000004 |
| #define | UDMA_MODE_PER_SCATTER_GATHER 0x00000006 |
| #define | UDMA_MODE_M 0x00000007 |
| #define | UDMA_MODE_ALT_SELECT 0x00000001 |
| #define | UDMA_DST_INC_8 0x00000000 |
| #define | UDMA_DST_INC_16 0x40000000 |
| #define | UDMA_DST_INC_32 0x80000000 |
| #define | UDMA_DST_INC_NONE 0xC0000000 |
| #define | UDMA_DST_INC_M 0xC0000000 |
| #define | UDMA_DST_INC_S 30 |
| #define | UDMA_SRC_INC_8 0x00000000 |
| #define | UDMA_SRC_INC_16 0x04000000 |
| #define | UDMA_SRC_INC_32 0x08000000 |
| #define | UDMA_SRC_INC_NONE 0x0c000000 |
| #define | UDMA_SRC_INC_M 0x0C000000 |
| #define | UDMA_SRC_INC_S 26 |
| #define | UDMA_SIZE_8 0x00000000 |
| #define | UDMA_SIZE_16 0x11000000 |
| #define | UDMA_SIZE_32 0x22000000 |
| #define | UDMA_SIZE_M 0x33000000 |
| #define | UDMA_SIZE_S 24 |
| #define | UDMA_ARB_1 0x00000000 |
| #define | UDMA_ARB_2 0x00004000 |
| #define | UDMA_ARB_4 0x00008000 |
| #define | UDMA_ARB_8 0x0000c000 |
| #define | UDMA_ARB_16 0x00010000 |
| #define | UDMA_ARB_32 0x00014000 |
| #define | UDMA_ARB_64 0x00018000 |
| #define | UDMA_ARB_128 0x0001c000 |
| #define | UDMA_ARB_256 0x00020000 |
| #define | UDMA_ARB_512 0x00024000 |
| #define | UDMA_ARB_1024 0x00028000 |
| #define | UDMA_ARB_M 0x0003C000 |
| #define | UDMA_ARB_S 14 |
| #define | UDMA_NEXT_USEBURST 0x00000008 |
| #define | UDMA_XFER_SIZE_MAX 1024 |
| #define | UDMA_XFER_SIZE_M 0x00003FF0 |
| #define | UDMA_XFER_SIZE_S 4 |
| #define | UDMA_CHANNEL_0_M 0x001 |
| UDMA channel 0 (SPI0_TX or UART1_RX) More... | |
| #define | UDMA_CHANNEL_1_M 0x002 |
| UDMA channel 1 (SPI0_RX or UART1_TX) More... | |
| #define | UDMA_CHANNEL_2_M 0x004 |
| UDMA channel 2 (LRFD or UART0_TX) More... | |
| #define | UDMA_CHANNEL_3_M 0x008 |
| UDMA channel 3 (ADC0 or UART0_RX) More... | |
| #define | UDMA_CHANNEL_4_M 0x010 |
| UDMA channel 4 (AES_A or LRFD) More... | |
| #define | UDMA_CHANNEL_5_M 0x020 |
| UDMA channel 5 (AES_B or ADC0) More... | |
| #define | UDMA_CHANNEL_6_M 0x040 |
| UDMA channel 6 (CAN_A or SPI1_TX) More... | |
| #define | UDMA_CHANNEL_7_M 0x080 |
| UDMA channel 7 (CAN_B or SPI1_RX) More... | |
| #define | UDMA_CHANNEL_8_M 0x100 |
| UDMA channel 8 (Software Event Channel 0) More... | |
| #define | UDMA_CHANNEL_9_M 0x200 |
| UDMA channel 9 (Software Event Channel 1) More... | |
| #define | UDMA_CHANNEL_10_M 0x400 |
| UDMA channel 10 (Software Event Channel 2) More... | |
| #define | UDMA_CHANNEL_11_M 0x800 |
| UDMA channel 11 (Software Event Channel 3) More... | |
| #define | UDMA_PRI_SELECT 0x00000000 |
| #define | UDMA_ALT_SELECT 0x00000010 |
Functions | |
| __STATIC_INLINE void | uDMAEnable (void) |
| Enables the uDMA controller for use. More... | |
| __STATIC_INLINE void | uDMADisable (void) |
| Disables the uDMA controller for use. More... | |
| __STATIC_INLINE uint32_t | uDMAGetErrorStatus (void) |
| Gets the uDMA error status. More... | |
| __STATIC_INLINE void | uDMAClearErrorStatus (void) |
| Clears the uDMA error interrupt. More... | |
| __STATIC_INLINE void | uDMAEnableChannel (uint32_t channelBitMask) |
| Enables a uDMA channel for operation. More... | |
| __STATIC_INLINE void | uDMADisableChannel (uint32_t channelBitMask) |
| Disables a uDMA channel for operation. More... | |
| __STATIC_INLINE bool | uDMAIsChannelEnabled (uint32_t channelBitMask) |
| Checks if a uDMA channel is enabled for operation. More... | |
| __STATIC_INLINE void | uDMASetControlBase (void *pControlTable) |
| Sets the base address for the channel control table. More... | |
| __STATIC_INLINE void * | uDMAGetControlBase (void) |
| Gets the base address for the channel control table. More... | |
| __STATIC_INLINE void * | uDMAGetControlAlternateBase (void) |
| Gets the base address for the channel control table alternate structures. More... | |
| __STATIC_INLINE void | uDMARequestChannel (uint32_t channelBitMask) |
| Requests a uDMA channel to start a transfer. More... | |
| void | uDMAEnableChannelAttribute (uint32_t channelBitMask, uint32_t attr) |
| Enables attributes of a uDMA channel. More... | |
| void | uDMADisableChannelAttribute (uint32_t channelBitMask, uint32_t attr) |
| Disables attributes of an uDMA channel. More... | |
| uint32_t | uDMAGetChannelAttribute (uint32_t channelBitMask) |
| Gets the enabled attributes of a uDMA channel. More... | |
| void | uDMASetChannelControl (volatile uDMAControlTableEntry *pChannelControlStruct, uint32_t control) |
| Sets the control parameters for a uDMA channel control structure. More... | |
| void | uDMASetChannelTransfer (volatile uDMAControlTableEntry *pChannelControlStruct, uint32_t mode, void *pSrcAddr, void *pDstAddr, uint32_t transferSize) |
| Sets the transfer parameters for a uDMA channel control structure. More... | |
| uint32_t | uDMAGetChannelSize (volatile uDMAControlTableEntry const *pChannelControlStruct) |
| Gets the current transfer size for a uDMA channel control structure. More... | |
| uint32_t | uDMAGetChannelMode (volatile uDMAControlTableEntry const *pChannelControlStruct) |
| Gets the transfer mode for a uDMA channel control structure. More... | |
| __STATIC_INLINE void | uDMARegisterInt (uint32_t intChannel, void(*pfnHandler)(void)) |
| Registers an interrupt handler for the uDMA controller in the dynamic interrupt table. More... | |
| __STATIC_INLINE void | uDMAUnregisterInt (uint32_t intChannel) |
| Unregisters an interrupt handler for the uDMA controller in the dynamic interrupt table. More... | |
| __STATIC_INLINE void | uDMAClearInt (uint32_t channelBitMask) |
| Clears uDMA interrupt done status. More... | |
| __STATIC_INLINE uint32_t | uDMAIntStatus (void) |
| Get the uDMA interrupt status. More... | |
| __STATIC_INLINE void | uDMAEnableSwEventInt (uint32_t intChannel) |
| Enable interrupt on software event driven uDMA transfers. More... | |
| __STATIC_INLINE void | uDMADisableSwEventInt (uint32_t intChannel) |
| Disable interrupt on software event driven uDMA transfers. More... | |
| __STATIC_INLINE uint32_t | uDMAGetStatus (void) |
| Return the status of the uDMA module. More... | |
| __STATIC_INLINE void | uDMASetChannelPriority (uint32_t channelBitMask) |
| Set the priority of a uDMA channel. More... | |
| __STATIC_INLINE bool | uDMAGetChannelPriority (uint32_t channelBitMask) |
| Get the priority of a uDMA channel. More... | |
| __STATIC_INLINE void | uDMAClearChannelPriority (uint32_t channelBitMask) |
| Clear the priority of a uDMA channel. More... | |