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betterer I2C

This commit is contained in:
Arisotura 2019-06-15 18:39:34 +02:00
parent 4d3f346edc
commit 7b19a01204
1 changed files with 24 additions and 3 deletions
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27
src/DSi_I2C.cpp
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@ -39,7 +39,7 @@ void DeInit()
void Reset()
{
CurPos = 0;
CurPos = -1;
memset(Registers, 0x5A, 0x100);
Registers[0x00] = 0x33; // TODO: support others??
@ -72,16 +72,36 @@ void Reset()
void Start()
{
CurPos = 0;
printf("BPTWL: start\n");
}
u8 Read(bool last)
{
if (last)
{
CurPos = -1;
return 0;
}
printf("BPTWL: read %02X -> %02X\n", CurPos, Registers[CurPos]);
return Registers[CurPos++];
}
void Write(u8 val, bool last)
{
if (last)
{
CurPos = -1;
return;
}
if (CurPos == -1)
{
CurPos = val;
printf("BPTWL: reg=%02X\n", val);
return;
}
if (CurPos == 0x11 || CurPos == 0x12 ||
CurPos == 0x21 ||
CurPos == 0x30 || CurPos == 0x31 ||
@ -93,7 +113,8 @@ void Write(u8 val, bool last)
Registers[CurPos] = val;
}
CurPos++;
printf("BPTWL: write %02X -> %02X\n", CurPos, val);
CurPos++; // CHECKME
}
}