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Update motor table generation according to new dumps.

merge-requests/1/head
Jan Hauffa 2011-05-15 18:13:44 +02:00 zatwierdzone przez m. allan noah
rodzic 2fa054456e
commit 8f405f5a93
1 zmienionych plików z 10 dodań i 40 usunięć
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50
backend/mustek_usb2_asic.c
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@ -75,9 +75,7 @@ static void Mustek_CalculateScanMotorTable (
CALCULATEMOTORTABLE * pCalculateMotorTable);
static void Mustek_CalculateMoveMotorTable (
CALCULATEMOTORTABLE * pCalculateMotorTable);
static void Microtek_CalculateScanMotorTable (
CALCULATEMOTORTABLE * pCalculateMotorTable);
static void Microtek_CalculateMoveMotorTable (
static void Microtek_CalculateMotorTable (
CALCULATEMOTORTABLE * pCalculateMotorTable);
@ -115,8 +113,8 @@ const ASIC_ModelParams asicMicrotek4800H48U = {
3000,
Microtek_SetMotorCurrentAndPhase,
Microtek_CalculateScanMotorTable,
Microtek_CalculateMoveMotorTable
Microtek_CalculateMotorTable,
Microtek_CalculateMotorTable
};
@ -1030,40 +1028,7 @@ Mustek_CalculateMoveMotorTable (CALCULATEMOTORTABLE * pCalculateMotorTable)
}
static void
Microtek_CalculateScanMotorTable (CALCULATEMOTORTABLE * pCalculateMotorTable)
{
unsigned short wEndSpeed, wStartSpeed;
unsigned short wScanAccSteps;
SANE_Byte bScanDecSteps;
unsigned short * pMotorTable;
long double x, y;
unsigned short i;
wStartSpeed = pCalculateMotorTable->StartSpeed;
wEndSpeed = pCalculateMotorTable->EndSpeed;
wScanAccSteps = pCalculateMotorTable->AccStepBeforeScan;
bScanDecSteps = pCalculateMotorTable->DecStepAfterScan;
pMotorTable = pCalculateMotorTable->pMotorTable;
for (i = 0; i < wScanAccSteps; i++)
{
x = (long double) i / wScanAccSteps;
y = (wStartSpeed - wEndSpeed) * (x * x - 2 * x + 1) + wEndSpeed;
pMotorTable[i + 512 * 2] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 4] = htole16 ((unsigned short) y);
}
for (i = 0; i < bScanDecSteps; i++)
{
x = (long double) i / bScanDecSteps;
y = wStartSpeed - (wStartSpeed - wEndSpeed) * (-1 * (x * x) + 1);
pMotorTable[i + 512 * 3] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 5] = htole16 ((unsigned short) y);
}
}
static void
Microtek_CalculateMoveMotorTable (CALCULATEMOTORTABLE * pCalculateMotorTable)
Microtek_CalculateMotorTable (CALCULATEMOTORTABLE * pCalculateMotorTable)
{
unsigned short wEndSpeed, wStartSpeed;
unsigned short wScanAccSteps;
@ -1083,14 +1048,19 @@ Microtek_CalculateMoveMotorTable (CALCULATEMOTORTABLE * pCalculateMotorTable)
x = (long double) i / (wScanAccSteps - 1);
y = (wStartSpeed - wEndSpeed) * (x * x - 2 * x + 1) + wEndSpeed;
pMotorTable[i] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 2] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 4] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 6] = htole16 ((unsigned short) y);
}
for (i = 0; i < bScanDecSteps; i++)
{
x = (long double) i / (bScanDecSteps - 1);
y = wStartSpeed - (wStartSpeed - wEndSpeed) * (-0.5 * (x * x) + 1);
y = wStartSpeed - (wStartSpeed - wEndSpeed) *
(-((bScanDecSteps - 1) / wScanAccSteps) * (x * x) + 1);
pMotorTable[i + 512] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 3] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 5] = htole16 ((unsigned short) y);
pMotorTable[i + 512 * 7] = htole16 ((unsigned short) y);
}
}