Boolean v4pDisplaySlice(Coord y, Coord x0, Coord x1, Color c) {
int l ;
if (x1 <= x0) return success ;
l = x1 - x0 ;
//WinSetForeColor((IndexedColorType)c);
//WinDrawLine(x0 + 10, y+10, x1+9, y+10);
myMemSet(&buffer[iBuffer], l, (char)c) ;
iBuffer+= l ;
if (x1 == lineWidth)
iBuffer+= bytesBetweenLines ;
return success ;
}
CyFx3BootErrorCode_t
testI2cRegMode (
void )
{
CyFx3BootI2cConfig_t i2cConfig;
CyFx3BootI2cPreamble_t preamble;
uint8_t size,i;
uint16_t j = 0;
uint8_t wr_buf[I2C_REG_XFER_SIZE];
uint8_t rd_buf[I2C_REG_XFER_SIZE];
CyFx3BootErrorCode_t status;
uint8_t divider = (sizeof(i2c_bitrate)/sizeof(i2c_bitrate[0]));
size = (uint8_t)I2C_REG_XFER_SIZE;
status = CyFx3BootI2cInit();
if (status != CY_FX3_BOOT_SUCCESS)
return status;
i2cConfig.busTimeout = 0xFFFFFFFF;
i2cConfig.dmaTimeout = 0xFFFF;
i2cConfig.isDma = CyFalse;
for (j = 0; j < 250; j++)
{
/* Run at various bit rates. */
i2cConfig.bitRate = i2c_bitrate[j % divider];
status = CyFx3BootI2cSetConfig (&i2cConfig);
if (status != CY_FX3_BOOT_SUCCESS)
{
return status;
}
/* The address at which read/write is to be performed */
preamble.buffer[1] = j;
preamble.buffer[2] = 0;
/*For EEPROM 64 byte page allignment....*/
if((preamble.buffer[2] % I2C_PAGE_SIZE) != 0)
{
preamble.buffer[2] = (preamble.buffer[2] / I2C_PAGE_SIZE) *
I2C_PAGE_SIZE;
}
preamble.buffer[0] = 0xA0; /* Write to I2C */
preamble.length = 3;
preamble.ctrlMask = 0x0000;
myMemSet (wr_buf, j, I2C_REG_XFER_SIZE);
status = CyFx3BootI2cTransmitBytes (&preamble, wr_buf, size, 200);
if (status != CY_FX3_BOOT_SUCCESS)
{
return status;
}
preamble.length = 1;
status = CyFx3BootI2cWaitForAck (&preamble, 200);
if (status != CY_FX3_BOOT_SUCCESS)
{
return status;
}
/* Read the written location */
preamble.buffer[3] = 0xA1;
preamble.buffer[0] = 0xA0;
preamble.length = 4;
preamble.ctrlMask = 0x0004;
status = CyFx3BootI2cReceiveBytes (&preamble, rd_buf, size, 200);
if (status != CY_FX3_BOOT_SUCCESS)
{
return status;
}
/* Compare the received data */
for (i = 0; i < size; i++)
{
if(rd_buf[i] != wr_buf[i])
{
/* Compare Error. Return apt error code. */
return CY_FX3_BOOT_ERROR_FAILURE;
}
}
CyFx3BootBusyWait (10);
}
CyFx3BootI2cDeInit();
return CY_FX3_BOOT_SUCCESS;
}
