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camera: enough stub to pass firmware init

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This commit is contained in:
Arisotura
2019-08-06 13:06:14 +02:00
parent 62a605cd92
commit 28a9c7d9d1
3 changed files with 34 additions and 8 deletions
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25
src/DSi_Camera.cpp
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@ -61,6 +61,9 @@ void DSi_Camera::ResetCam()
DataPos = 0;
RegAddr = 0;
RegData = 0;
PLLCnt = 0;
StandbyCnt = 0x4029; // checkme
}
@ -130,7 +133,11 @@ u16 DSi_Camera::ReadReg(u16 addr)
{
switch (addr)
{
case 0x301A: return 0x0002; // HAX
case 0x0000: return 0x2280; // chip ID
case 0x0014: return PLLCnt;
case 0x0018: return StandbyCnt;
case 0x301A: return ((~StandbyCnt) & 0x4000) >> 12;
}
printf("DSi_Camera%d: unknown read %04X\n", Num, addr);
@ -139,5 +146,21 @@ u16 DSi_Camera::ReadReg(u16 addr)
void DSi_Camera::WriteReg(u16 addr, u16 val)
{
switch (addr)
{
case 0x0014:
// shouldn't be instant either?
val &= 0x7FFF;
val |= ((val & 0x0002) << 14);
PLLCnt = val;
return;
case 0x0018:
// TODO: this shouldn't be instant, but uh
val &= 0x003F;
val |= ((val & 0x0001) << 14);
StandbyCnt = val;
return;
}
printf("DSi_Camera%d: unknown write %04X %04X\n", Num, addr, val);
}