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TSC support, touchscreen input. not perfect but for now this will do.

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This commit is contained in:
StapleButter
2017-02-01 00:24:36 +01:00
parent 548b8d99a6
commit 1f5faf8291
8 changed files with 178 additions and 18 deletions
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104
SPI.cpp
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@ -88,11 +88,27 @@ void Reset()
fclose(f);
// temp: disable autoboot
/*Firmware[0x3FE64] &= 0xBF;
*(u16*)&Firmware[0x3FE72] = CRC16(&Firmware[0x3FE00], 0x70, 0xFFFF);
Firmware[0x3FF64] &= 0xBF;
*(u16*)&Firmware[0x3FF72] = CRC16(&Firmware[0x3FF00], 0x70, 0xFFFF);*/
u32 userdata = 0x3FE00;
if (*(u16*)&Firmware[0x3FF70] == ((*(u16*)&Firmware[0x3FE70] + 1) & 0x7F))
{
if (VerifyCRC16(0xFFFF, 0x3FF00, 0x70, 0x3FF72))
userdata = 0x3FF00;
}
// fix touchscreen coords
*(u16*)&Firmware[userdata+0x58] = 0;
*(u16*)&Firmware[userdata+0x5A] = 0;
Firmware[userdata+0x5C] = 1;
Firmware[userdata+0x5D] = 1;
*(u16*)&Firmware[userdata+0x5E] = 254;
*(u16*)&Firmware[userdata+0x60] = 190;
Firmware[userdata+0x62] = 255;
Firmware[userdata+0x63] = 191;
// disable autoboot
//Firmware[userdata+0x64] &= 0xBF;
*(u16*)&Firmware[userdata+0x72] = CRC16(&Firmware[userdata], 0x70, 0xFFFF);
// verify shit
printf("FW: WIFI CRC16 = %s\n", VerifyCRC16(0x0000, 0x2C, *(u16*)&Firmware[0x2C], 0x2A)?"GOOD":"BAD");
@ -267,6 +283,80 @@ void Write(u8 val, u32 hold)
}
namespace SPI_TSC
{
u32 DataPos;
u8 ControlByte;
u8 Data;
u16 ConvResult;
u16 TouchX, TouchY;
void Init()
{
}
void Reset()
{
ControlByte = 0;
Data = 0;
ConvResult = 0;
}
void SetTouchCoords(u16 x, u16 y)
{
// scr.x = (adc.x-adc.x1) * (scr.x2-scr.x1) / (adc.x2-adc.x1) + (scr.x1-1)
// scr.y = (adc.y-adc.y1) * (scr.y2-scr.y1) / (adc.y2-adc.y1) + (scr.y1-1)
// adc.x = ((scr.x * ((adc.x2-adc.x1) + (scr.x1-1))) / (scr.x2-scr.x1)) + adc.x1
// adc.y = ((scr.y * ((adc.y2-adc.y1) + (scr.y1-1))) / (scr.y2-scr.y1)) + adc.y1
TouchX = x;
TouchY = y;
if (y == 0xFFF) return;
// TODO: eventually convert?
}
u8 Read()
{
return Data;
}
void Write(u8 val, u32 hold)
{
if (DataPos == 1)
Data = (ConvResult >> 5) & 0xFF;
else if (DataPos == 2)
Data = (ConvResult << 3) & 0xFF;
else
Data = 0;
if (val & 0x80)
{
ControlByte = val;
DataPos = 1;
switch (ControlByte & 0x70)
{
case 0x10: ConvResult = TouchY; break;
case 0x50: ConvResult = TouchX; break;
default: ConvResult = 0xFFF; break;
}
if (ControlByte & 0x08)
ConvResult &= 0x0FF0; // checkme
}
else
DataPos++;
}
}
namespace SPI
{
@ -279,6 +369,7 @@ void Init()
{
SPI_Firmware::Init();
SPI_Powerman::Init();
SPI_TSC::Init();
}
void Reset()
@ -287,6 +378,7 @@ void Reset()
SPI_Firmware::Reset();
SPI_Powerman::Reset();
SPI_TSC::Init();
}
@ -304,6 +396,7 @@ u8 ReadData()
{
case 0x0000: return SPI_Powerman::Read();
case 0x0100: return SPI_Firmware::Read();
case 0x0200: return SPI_TSC::Read();
default: return 0;
}
}
@ -318,6 +411,7 @@ void WriteData(u8 val)
{
case 0x0000: SPI_Powerman::Write(val, Cnt&(1<<11)); break;
case 0x0100: SPI_Firmware::Write(val, Cnt&(1<<11)); break;
case 0x0200: SPI_TSC::Write(val, Cnt&(1<<11)); break;
default: printf("SPI to unknown device %04X %02X\n", Cnt, val); break;
}