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LPCOpen Platform
LPCOpen Platform for NXP LPC Microcontrollers
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Data Structures | |
struct | DMA_ChannelHandle_t |
Functions | |
void | Chip_GPDMA_Init (void) |
Initialize the GPDMA. | |
void | Chip_DMA_Stop (uint8_t ChannelNum) |
Stop a stream DMA transfer. | |
Status | Chip_DMA_Interrupt (uint8_t ChannelNum) |
The GPDMA stream interrupt status checking. | |
uint8_t | Chip_DMA_GetFreeChannel (uint32_t PeripheralConnection_ID) |
Get a free GPDMA channel for one DMA connection. | |
void | Chip_DMA_Transfer (uint8_t ChannelNum, uint32_t src, uint32_t dst, FlowControlType TransferType, uint32_t Size) |
Do a DMA transfer M2M, M2P,P2M or P2P. | |
#define Chip_GPDMA_ChannelCmd | ( | channelNum, | |
NewState | |||
) | IP_GPDMA_ChannelCmd(LPC_GPDMA, channelNum, NewState) |
Definition at line 109 of file gpdma_18xx_43xx.h.
#define Chip_GPDMA_ClearIntPending | ( | type, | |
channel | |||
) | IP_GPDMA_ClearIntPending(LPC_GPDMA, type, channel) |
Definition at line 107 of file gpdma_18xx_43xx.h.
#define Chip_GPDMA_IntGetStatus | ( | type, | |
channel | |||
) | IP_GPDMA_IntGetStatus(LPC_GPDMA, type, channel) |
Definition at line 105 of file gpdma_18xx_43xx.h.
#define DMA_CONTROLLER 0 |
Flow control definitions Flow control is DMA controller
Definition at line 97 of file gpdma_18xx_43xx.h.
#define DST_PER_CONTROLLER 2 |
Flow control is Destination peripheral controller
Definition at line 99 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_1 ((0UL)) |
Burst size in Source and Destination definitions Burst size = 1
Definition at line 82 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_128 ((6UL)) |
Burst size = 128
Definition at line 88 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_16 ((3UL)) |
Burst size = 16
Definition at line 85 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_256 ((7UL)) |
Burst size = 256
Definition at line 89 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_32 ((4UL)) |
Burst size = 32
Definition at line 86 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_4 ((1UL)) |
Burst size = 4
Definition at line 83 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_64 ((5UL)) |
Burst size = 64
Definition at line 87 of file gpdma_18xx_43xx.h.
#define GPDMA_BSIZE_8 ((2UL)) |
Burst size = 8
Definition at line 84 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_ADC_0 ((25UL)) |
ADC 0
Definition at line 75 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_ADC_1 ((26UL)) |
ADC 1
Definition at line 76 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_DAC ((27UL)) |
DAC
Definition at line 77 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_I2S_Rx_Channel_0 ((29UL)) |
I2S channel 0
Definition at line 79 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_I2S_Rx_Channel_1 ((22UL)) |
I2S channel 1
Definition at line 72 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_I2S_Tx_Channel_0 ((20UL)) |
I2S channel 0
Definition at line 70 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_I2S_Tx_Channel_1 ((28UL)) |
I2S channel 0
Definition at line 78 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT0_0 ((1UL)) |
MAT0.0
Definition at line 51 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT0_1 ((3UL)) |
MAT0.1
Definition at line 53 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT1_0 ((5UL)) |
MAT1.0
Definition at line 55 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT1_1 ((7UL)) |
MAT1.1
Definition at line 57 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT2_0 ((9UL)) |
MAT2.0
Definition at line 59 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT2_1 ((11UL)) |
MAT2.1
Definition at line 61 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT3_0 ((13UL)) |
MAT3.0
Definition at line 63 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MAT3_1 ((16UL)) |
MAT3.1
Definition at line 66 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_MEMORY ((0UL)) |
DMA Connection number definitions MEMORY
Definition at line 50 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SCT_0 ((15UL)) |
SCT timer channel 0
Definition at line 65 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SCT_1 ((18UL)) |
SCT timer channel 1
Definition at line 68 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SSP0_Rx ((19UL)) |
SSP0 Rx
Definition at line 69 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SSP0_Tx ((21UL)) |
SSP0 Tx
Definition at line 71 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SSP1_Rx ((23UL)) |
SSP1 Rx
Definition at line 73 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_SSP1_Tx ((24UL)) |
SSP1 Tx
Definition at line 74 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART0_Rx ((4UL)) |
UART0 Rx
Definition at line 54 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART0_Tx ((2UL)) |
UART0 Tx
Definition at line 52 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART1_Rx ((8UL)) |
UART1 Rx
Definition at line 58 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART1_Tx ((6UL)) |
UART1 Tx
Definition at line 56 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART2_Rx ((12UL)) |
UART2 Rx
Definition at line 62 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART2_Tx ((10UL)) |
UART2 Tx
Definition at line 60 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART3_Rx ((17UL)) |
UART3 Rx
Definition at line 67 of file gpdma_18xx_43xx.h.
#define GPDMA_CONN_UART3_Tx ((14UL)) |
UART3 Tx
Definition at line 64 of file gpdma_18xx_43xx.h.
#define GPDMA_NUMBER_CHANNELS 8 |
Number of channels on GPDMA
Definition at line 47 of file gpdma_18xx_43xx.h.
#define GPDMA_WIDTH_BYTE ((0UL)) |
Width in Source transfer width and Destination transfer width definitions Width = 1 byte
Definition at line 92 of file gpdma_18xx_43xx.h.
#define GPDMA_WIDTH_HALFWORD ((1UL)) |
Width = 2 bytes
Definition at line 93 of file gpdma_18xx_43xx.h.
#define GPDMA_WIDTH_WORD ((2UL)) |
Width = 4 bytes
Definition at line 94 of file gpdma_18xx_43xx.h.
#define SRC_PER_CONTROLLER 1 |
Flow control is Source peripheral controller
Definition at line 98 of file gpdma_18xx_43xx.h.
uint8_t Chip_DMA_GetFreeChannel | ( | uint32_t | PeripheralConnection_ID | ) |
Get a free GPDMA channel for one DMA connection.
PeripheralConnection_ID | : Some chip fix each peripheral DMA connection on a specified channel ( have not used in 18xx/43xx ) |
Definition at line 414 of file gpdma_18xx_43xx.c.
Status Chip_DMA_Interrupt | ( | uint8_t | ChannelNum | ) |
The GPDMA stream interrupt status checking.
ChannelNum | : Channel Number to be checked on interruption |
Definition at line 337 of file gpdma_18xx_43xx.c.
void Chip_DMA_Stop | ( | uint8_t | ChannelNum | ) |
Stop a stream DMA transfer.
ChannelNum | : Channel Number to be closed |
Definition at line 322 of file gpdma_18xx_43xx.c.
void Chip_DMA_Transfer | ( | uint8_t | ChannelNum, |
uint32_t | src, | ||
uint32_t | dst, | ||
FlowControlType | TransferType, | ||
uint32_t | Size | ||
) |
Do a DMA transfer M2M, M2P,P2M or P2P.
ChannelNum | : Channel used for transfer |
src | : Address of Memory or PeripheralConnection_ID which is the source |
dst | : Address of Memory or PeripheralConnection_ID which is the destination |
TransferType | : Select the transfer controller and the type of transfer. Should be:
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Size | : The number of DMA transfers |
Definition at line 359 of file gpdma_18xx_43xx.c.
void Chip_GPDMA_Init | ( | void | ) |