?? config.h
字號(hào):
/********************************************************************************/
#define BUFF_SZ 1
#define TCCINTNUM 10
#define Ture 1
/********************************************************************************/
/********************************************************************************/
extern far void vectors();
/********************************************************************************/
/********************************************************************************/
EDMA_Handle hEdma; /* Handle for the EDMA channel */
MCBSP_Handle hMcbsp;
EDMA_Handle hEdmaPing; /* Handle for the ping EDMA reload parameters */
EDMA_Handle hEdmaPong; /* Handle for the pong EDMA reload parameters */
EDMA_Config cfgEdma; /* EDMA configuration structure */
/********************************************************************************/
/********************************************************************************/
static int ping_data[4];
static int pong_data[4];
Uint32 gblctl;
static int pingpong;
/********************************************************************************/
/********************************************************************************/
/* Configure MCASP. */
MCASP_ConfigGbl MyMCASPcfgGbl = {
0x00000000, /* PFUNC - All pins as McASP */
0x00000000, /* PDIR - XMT DATA output, rest are inputs */
0x00000000, /* DITCTL - DIT mode disable */
0x00000000, /* DLBCTL - Loopback disabled */
0x00000000 /* AMUTE - Never drive AMUTE */
};
//Set receive registers.
MCASP_ConfigRcv MyMCASPcfgRcv = {
/* RMASK */
0xffffffff, /* RMASK - Use all 32 bits */
0x000180f8, /* RFMT - MSB first, 32-bit slots, CPU bus, 0 bit delay */
0x00000000, /* AFSRCTL - burst, single bit frame sync, ext FS */
0x00000080, /* ACLKRCTL - Sample on rising CLK, divide by 1, ext CLK */
0x00000000, /* AHCLKRCTL - External HCLK */
0x00000001, /* RTDM - Slots 0-31 are active */
0x00000000, /* RINTCTL - No interrupts */
0x00000000 /* RCLKCHK - Not used */
};
//Set serial control.
/****************/ //change
MCASP_ConfigSrctl MyMCASPcfgSrctl = {
0x0000000E, /* SRCTL0 - Receive, active high */
0x00000000, /* SRCTL1 - Inactive */
0x00000000, /* SRCTL2 - Inactive */
0x00000000, /* SRCTL3 - Inactive */
0x00000000, /* SRCTL4 - Inactive */
0x00000000, /* SRCTL5 - Inactive */
0x00000000, /* SRCTL6 - Inactive */
0x00000000 /* SRCTL7 - Transmit, active high */
};
//Set transmit registers.
MCASP_ConfigXmt MyMCASPcfgXmt = {
/* XMASK */
0x00000000, /* XMASK - Use all 32 bits */
0x00000000, /* XFMT - MSB first, 32-bit slots, CPU bus, 0 bit delay */
0x00000000, /* AFSXCTL - burst, single bit frame sync, ext FS */
0x00000000, /* ACLKXCTL - Sample on falling CLK, divide by 1, ext CLK */
0x00000000, /* AHCLKXCTL - External HCLK */
0x00000000, /* XTDM - Slots 0-31 are active */
0x00000000, /* XINTCTL - No interrupts */
0x00000000 /* XCLKCHK - Not used */
};
MCBSP_Config MyMCBSPConfig = {
&MyMCASPcfgGbl,
&MyMCASPcfgRcv,
&MyMCASPcfgXmt,
&MyMCASPcfgSrctl,
};
/********************************************************************************/
/********************************************************************************/
EDMA_Config cfgEdmaPing = {
EDMA_OPT_RMK( /* Making Options parameter register - EDMA_OPT */
EDMA_OPT_PRI_LOW, /* Priority levels for EDMA events:-
EDMA_OPT_PRI_LOW - Low priority EDMA transfer
EDMA_OPT_PRI_HIGH - High priority EDMA transfer*/
EDMA_OPT_ESIZE_32BIT,/* Element size :-
EDMA_OPT_ESIZE_32BIT - 32 bit word
EDMA_OPT_ESIZE_16BIT - 16 bit word
EDMA_OPT_ESIZE_8BIT - 8 bit word */
EDMA_OPT_2DS_NO, /* Source dimension :-
EDMA_OPT_2DS_NO - 1-dimensional source
EDMA_OPT_2DS_YES - 2-dimensional source */
EDMA_OPT_SUM_NONE, /* Source address update mode :-
EDMA_OPT_SUM_NONE - Fixed address mode
EDMA_OPT_SUM_INC - Increment address mode
EDMA_OPT_SUM_DEC - Decrement address mode
EDMA_OPT_SUM_IDX - Address modified by element
index or frame Index */
EDMA_OPT_2DD_NO, /* Destination dimension :-
EDMA_OPT_2DD_NO - 1-dimensional source
EDMA_OPT_2DD_YES - 2-dimensional source */
EDMA_OPT_DUM_INC, /* Destination address update mode :-
EDMA_OPT_DUM_NONE - Fixed address mode
EDMA_OPT_DUM_INC - Increment address mode
EDMA_OPT_DUM_DEC - Decrement address mode
EDMA_OPT_DUM_IDX - Address modified by element
index or frame Index */
EDMA_OPT_TCINT_YES, /* Transfer complete interrupt :-
EDMA_OPT_TCINT_NO - Indication disabled
EDMA_OPT_TCINT_YES - Indication enabled */
EDMA_OPT_TCC_OF(TCCINTNUM),/* Transfer complete code */
EDMA_OPT_LINK_YES, /* Linking of event parameters
EDMA_OPT_LINK_NO - Disabled
EDMA_OPT_LINK_YES - Enabled */
EDMA_OPT_FS_NO /* Frame synchronization
EDMA_OPT_FS_NO - Channel is element/array
synchronized
EDMA_OPT_FS_YES - Channel is frame synchronized*/
),
EDMA_SRC_OF(_MCASP_RBUF00_ADDR),/* Source address register
&ping_data - source address */
EDMA_CNT_OF(BUFF_SZ), /* Transfer count parameter
BUFF_SZ - buffer sizes in # of ints */
EDMA_DST_OF(ping_data), /* Destination address parameter
ping - destination address */
EDMA_IDX_OF(0x00000004),/* Index parameter */
EDMA_RLD_OF(0x00000000) /* Count reload/link parameter */
};
/********************************************************************************/
EDMA_Config cfgEdmaPong = {
EDMA_OPT_RMK( /* Making Options parameter register - EDMA_OPT */
EDMA_OPT_PRI_LOW, /* Priority levels for EDMA events:-
EDMA_OPT_PRI_LOW - Low priority EDMA transfer
EDMA_OPT_PRI_HIGH - High priority EDMA transfer*/
EDMA_OPT_ESIZE_32BIT,/* Element size :-
EDMA_OPT_ESIZE_32BIT - 32 bit word
EDMA_OPT_ESIZE_16BIT - 16 bit word
EDMA_OPT_ESIZE_8BIT - 8 bit word */
EDMA_OPT_2DS_NO, /* Source dimension :-
EDMA_OPT_2DS_NO - 1-dimensional source
EDMA_OPT_2DS_YES - 2-dimensional source */
EDMA_OPT_SUM_NONE, /* Source address update mode :-
EDMA_OPT_SUM_NONE - Fixed address mode
EDMA_OPT_SUM_INC - Increment address mode
EDMA_OPT_SUM_DEC - Decrement address mode
EDMA_OPT_SUM_IDX - Address modified by element
index or frame Index */
EDMA_OPT_2DD_NO, /* Destination dimension :-
EDMA_OPT_2DD_NO - 1-dimensional source
EDMA_OPT_2DD_YES - 2-dimensional source */
EDMA_OPT_DUM_INC, /* Destination address update mode :-
EDMA_OPT_DUM_NONE - Fixed address mode
EDMA_OPT_DUM_INC - Increment address mode
EDMA_OPT_DUM_DEC - Decrement address mode
EDMA_OPT_DUM_IDX - Address modified by element
index or frame Index */
EDMA_OPT_TCINT_YES, /* Transfer complete interrupt :-
EDMA_OPT_TCINT_NO - Indication disabled
EDMA_OPT_TCINT_YES - Indication enabled */
EDMA_OPT_TCC_OF(TCCINTNUM),/* Transfer complete code */
EDMA_OPT_LINK_YES, /* Linking of event parameters
EDMA_OPT_LINK_NO - Disabled
EDMA_OPT_LINK_YES - Enabled */
EDMA_OPT_FS_NO /* Frame synchronization
EDMA_OPT_FS_NO - Channel is element/array
synchronized
EDMA_OPT_FS_YES - Channel is frame synchronized*/
),
EDMA_SRC_OF(_MCASP_RBUF00_ADDR),/* Source address register
&ping_data - source address */
EDMA_CNT_OF(BUFF_SZ), /* Transfer count parameter
BUFF_SZ - buffer sizes in # of ints */
EDMA_DST_OF(pong_data), /* Destination address parameter
ping - destination address */
EDMA_IDX_OF(0x00000004),/* Index parameter */
EDMA_RLD_OF(0x00000000) /* Count reload/link parameter */
};
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