Sharing one documentation issue in KSDK 1.0 demo user guide

[#1]

Recently one of our customers reported an issue when he tried to run "dspi_edma_demo" with KSDK 1.0 on K22F freedom board. He connected SPI signals between master and slave according to the demo user guide on freedom board, but the demo was not working.

I reproduced the issue on freedom and found this is due to incorrect documentation in demo user guide.

The connection table shown in demo user guide for K22F freedom board is as follows. This is not correct.

It should be the following table instead. 

	Master		Connects to	Slave
Signal	Pin Name	Board Location		Pin Name	Board Location
SS	PTD0	J6 Pin 8	->	PTD4	J2 Pin 6
SCK	PTD1	J6 Pin 5	->	PTD5	J2 Pin 12
Data Out	PTD2	J6 Pin 6	->	PTD7	J2 Pin 10
Data In	PTD3	J6 Pin7	->	PTD6	J2 Pin 8

Also, the associated pin mux configuration in pin_mux.c file should be changed from the original workaround one in red to the original commented one.

void pin_mux_SPI(uint32_t instance)

{

  switch(instance) {

    case 0:                             /* SPI0 */

      /* PORTD_PCR0 */

      PORT_HAL_SetMuxMode(g_portBaseAddr[3],0u,kPortMuxAlt2);

      //PORT_HAL_SetMuxMode(g_portBaseAddr[2],4u,kPortMuxAlt2);   /*** Temporary work around until next board spin. ***/

      /* PORTD_PCR3 */

      PORT_HAL_SetMuxMode(g_portBaseAddr[3],3u,kPortMuxAlt2);

      //PORT_HAL_SetMuxMode(g_portBaseAddr[2],5u,kPortMuxAlt2);   /*** Temporary work around until next board spin. ***/

      /* PORTD_PCR1 */

      PORT_HAL_SetMuxMode(g_portBaseAddr[3],1u,kPortMuxAlt2);

      //PORT_HAL_SetMuxMode(g_portBaseAddr[2],6u,kPortMuxAlt2);   /*** Temporary work around until next board spin. ***/

      /* PORTD_PCR2 */

      PORT_HAL_SetMuxMode(g_portBaseAddr[3],2u,kPortMuxAlt2);

      //PORT_HAL_SetMuxMode(g_portBaseAddr[2],7u,kPortMuxAlt2);   /*** Temporary work around until next board spin. ***/

      break;

}

}