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added gain parameter to dvx_program

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This commit is contained in:
frl
1993-11-22 09:56:14 +00:00
parent e787d0de4f
commit adaf88fb3a
1 changed files with 20 additions and 6 deletions
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26
src/drv/drvDvx.c
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@@ -102,6 +102,7 @@
* JRW 01/18/92 Replaced init code to allow user to select the interrupt
* level value and to select the ports that are to be read.
* MGB 08/04/93 Removed V5/V4 and EPICS_V2 conditionals
* FRL 11/17/93 Added gain parameter to dvx_program
*
*
* NOTE (JRW 11-18-92):
@@ -202,6 +203,7 @@ struct dvx_rec
int dmaSize; /* samples to read before IRQ */
unsigned int numChan; /* total number of ports to read */
unsigned long pgmMask[8]; /* ports to be read by seq-program */
unsigned short gain[8]; /* port gains */
IOSCANPVT *pioscanpvt;
};
@@ -282,15 +284,19 @@ struct {
static struct dvx_rec dvx[MAX_DVX_CARDS] = {
{ NULL, NULL, NULL, -1, -1, -1, -1, -1, 128, 0, {0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff}
,{0, 0, 0, 0, 0, 0, 0, 0}
, NULL
},
{ NULL, NULL, NULL, -1, -1, -1, -1, -1, 128, 0, {0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff}
,{0, 0, 0, 0, 0, 0, 0, 0}
, NULL
},
{ NULL, NULL, NULL, -1, -1, -1, -1, -1, 128, 0, {0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff}
,{0, 0, 0, 0, 0, 0, 0, 0}
, NULL
},
{ NULL, NULL, NULL, -1, -1, -1, -1, -1, 128, 0, {0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff}
,{0, 0, 0, 0, 0, 0, 0, 0}
, NULL
}
};
@@ -643,9 +649,9 @@ LOCAL int muxtst(int card)
* To program a DVX card (card 0) to read all ports from 2 S/H muxes (boards 2
* and 6) and 1 mux (board 1). You may do the following.
*
* dvx_program(0, 2, 0x0000ffff, 0) -- 16 ports from board 2
* dvx_program(0, 6, 0x0000ffff, 0) -- 16 ports from board 6
* dvx_program(0, 1, 0xffffffff, 64) -- 32 ports from board 1
* dvx_program(0, 2, 0x0000ffff, 0, 0) -- 16 ports from board 2 gain = 1
* dvx_program(0, 6, 0x0000ffff, 0, 2) -- 16 ports from board 6 gain = 4
* dvx_program(0, 1, 0xffffffff, 64, 3) -- 32 ports from board 1 gain = 8
*
* The 64 on the last line specified that we want to read 64 samples before the
* DMA is considered complete. The last dvx_program() value for the dma size
@@ -662,7 +668,7 @@ LOCAL int muxtst(int card)
* The ports are read from the lowest board number and lowest port number first.
*/
int
dvx_program(int card, int board, unsigned long mask, int dmaSize)
dvx_program(int card, int board, unsigned long mask, int dmaSize, int gain)
{
int i;
unsigned long maskCheck;
@@ -684,6 +690,13 @@ dvx_program(int card, int board, unsigned long mask, int dmaSize)
printf("dvx_program(%d, %d, 0x%08.8X): invalid board number specified\n", card, board, mask);
return(2);
}
if ((gain < 0) || (gain > 3))
{
errPrintf(-1, __FILE__, __LINE__,
"dvx_program(%d, %d, 0x%08.8X, %d, %d): invalid gain specified\n", card, board,
mask, dmaSize, gain);
return(2);
}
if (firstTime)
{ /* Clear out the default port numbers, this is the first dvx_program call */
int i;
@@ -695,6 +708,7 @@ dvx_program(int card, int board, unsigned long mask, int dmaSize)
dvx[card].pgmMask[board] = mask;
dvx[card].dmaSize = dmaSize;
dvx[card].gain[board] = gain;
return(0);
}
@@ -766,7 +780,7 @@ int sramld(int card)
}
else
{
*ramptr++ = GAIN_CHANNEL | ((port >> 3) & 3);
*ramptr++ = GAIN_CHANNEL | (dvx[card].gain[i] <<3) | ((port >> 3) & 3);
*ramptr++ = ADVANCE_HOLD | ((port & 0x07) << 3) | i;
dvx[card].numChan++;
if (dvxDebug)
@@ -778,7 +792,7 @@ int sramld(int card)
}
if (firstPort != -1)
{ /* Put the first port number to read on each board, last in scan list. */
*ramptr++ = GAIN_CHANNEL | ((firstPort >> 3) & 3);
*ramptr++ = GAIN_CHANNEL | (dvx[card].gain[i] << 3) | ((firstPort >> 3) & 3);
*ramptr++ = ADVANCE_HOLD | ((firstPort & 0x07) << 3) | i;
dvx[card].numChan++;
if (dvxDebug)