embeddedsw/XilinxProcessorIPLib/drivers/dptx/examples/xdptx_selftest_example.c
Andrei-Liviu Simion e3f77d9867 dptx: Changed the self test function and example to check register reset values.
This function will now pass without a DisplayPort cable connected.

Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
2014-09-02 11:21:11 +05:30

93 lines
3.5 KiB
C

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/******************************************************************************/
/**
*
* @file xdptx_selftest_example.c
*
* Contains a design example using the XDptx driver. It performs a self test on
* the DisplayPort TX core that will compare many of the DisplayPort TX core's
* registers against their default reset values.
*
* @note None.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ---- -------- -----------------------------------------------
* 1.00a als 06/17/14 Initial creation.
* </pre>
*
*******************************************************************************/
/******************************* Include Files ********************************/
#include "xdptx_example_common.h"
/**************************** Function Prototypes *****************************/
u32 Dptx_SelfTestExample(XDptx *InstancePtr, u16 DeviceId);
/**************************** Function Definitions ****************************/
int main(void)
{
u32 Status;
Status = Dptx_SelfTestExample(&DptxInstance, DPTX_DEVICE_ID);
if (Status != XST_SUCCESS) {
xil_printf("XDptx_SelfTest failed, check register values.\n");
return XST_FAILURE;
}
xil_printf("XDptx_SelfTest passed.\n");
return Status;
}
u32 Dptx_SelfTestExample(XDptx *InstancePtr, u16 DeviceId)
{
u32 Status;
XDptx_Config *ConfigPtr;
/* Obtain the device configuration for the DisplayPort TX core. */
ConfigPtr = XDptx_LookupConfig(DeviceId);
if (!ConfigPtr) {
return XST_FAILURE;
}
/* Copy the device configuration into the InstancePtr's Config
* structure. */
XDptx_CfgInitialize(InstancePtr, ConfigPtr, ConfigPtr->BaseAddr);
/* Run the self test. */
Status = XDptx_SelfTest(InstancePtr);
return Status;
}