eaw/Main
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Upload polyphase coefficients.

Browse Source
This commit is contained in:
sorgelig
2018-10-19 04:24:50 +08:00
parent 8ce862de1e
commit ecf1970640
2 changed files with 57 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
user_io.cpp
View File

@@ -2586,8 +2586,64 @@ static void setPLL(double Fout)
vitems[20] = k;
}
short scaler_coef[32][4] =
{
{ -24, 176, -24, 0 },
{ -20, 174, -26, 0 },
{ -16, 169, -26, 1 },
{ -11, 160, -23, 2 },
{ -6, 147, -16, 3 },
{ -1, 129, -4, 4 },
{ 2, 109, 11, 6 },
{ 5, 84, 32, 7 },
{ 6, 58, 58, 6 },
{ 7, 32, 84, 5 },
{ 6, 11, 109, 2 },
{ 4, -4, 129, -1 },
{ 3, -16, 147, -6 },
{ 2, -23, 160, -11 },
{ 1, -26, 169, -16 },
{ 0, -26, 174, -20 },
{ 0, 128, 0, 0 },
{ -4, 126, 6, 0 },
{ -8, 124, 13, -1 },
{ -10, 119, 20, -1 },
{ -11, 111, 30, -2 },
{ -11, 103, 40, -4 },
{ -10, 93, 50, -5 },
{ -9, 82, 61, -6 },
{ -8, 72, 72, -8 },
{ -6, 61, 82, -9 },
{ -5, 50, 93, -10 },
{ -4, 40, 103, -11 },
{ -2, 30, 111, -11 },
{ -1, 20, 119, -10 },
{ -1, 13, 124, -8 },
{ 0, 6, 126, -4 }
};
static void setScaler()
{
printf("*** Send Scaler parameters:\n");
spi_uio_cmd_cont(UIO_SET_VIPCOEF);
for (int i = 0; i < 32; i++)
{
for (int t = 0; t < 4; t++)
{
uint16_t data = (scaler_coef[i][t] & 0x1FF) | (((i * 4) + t) << 9);
printf("%d.%d.%d: %d\n", data >> 15, (data >> 11) & 0xF, (data >> 9) & 0x3, data & 0x1FF);
spi_w(data);
}
}
DisableIO();
}
static void setVideo()
{
setScaler();
printf("Send HDMI parameters:\n");
spi_uio_cmd_cont(UIO_SET_VIDEO);
printf("video: ");

1
user_io.h
View File

@@ -62,6 +62,7 @@
#define UIO_SETHEIGHT 0x27 // Set scaled vertical resolution (to reduce scaling artefacts)
#define UIO_GETUARTFLG 0x28 // Get UART_FLG_*
#define UIO_GET_STATUS 0x29 // Update status from the core
#define UIO_SET_VIPCOEF 0x2A // Set Scaler coefficients
// codes as used by 8bit for file loading from OSD
#define UIO_FILE_TX 0x53