Hi,
I had an application developed with DSP/BIOs 5.41 for C6747 DSP. In this application, I have a UART device (UART 1) and a GPSInit() task. After connecting to my target (with the GEL meant for EVMC6747_DSP), I override the setup (see codes below) within the GPSInit() task. Once run, I found that the application is hung in the first GIO_write(), which is within my resetGPS() function.
Can you suggest what are the causes that will loop the GIO_write endlessly? Is it the wrong pinmux setup for UART 1? Are there anything else I missed?
/////////////////////////// This task is setup in the TCF /////////////////////////
void GPSInit(void)
{
:
:
///// Although the evmC6747_dsp.gel is executed ////////////
///// we override here especially the pinmux ///////
initSysCfg(); // Setup pinmux
initPll(); // Setup PLL
initPSCOn(); // Setup PSC
initEMIFA(); // Setup External Memory Interface A
initEMIFB(); // Setup External Memory Interface B
:
:
pGPSReceiver = new UbloxLEA4TGPSReceiver(hUart_OUT, hUart_IN); // No problem here
pGPSReceiver->reset(); // Stuck here because of the GIO_write() that is in this function.
:
:
}
////////////////// For overriding the pinmux in the GEL /////////////////////////////
void initSysCfg(void)
{
// Unlock BOOTCFG module before pinmux configuration
KICK0R = KICK0_UNLOCK_CODE;
KICK1R = KICK1_UNLOCK_CODE;
PINMUX0 = 0x11111188; // EMIFB, Check EMU0/RTCK
PINMUX1 = 0x11111111; // EMIFB
PINMUX2 = 0x11111111; // EMIFB
PINMUX3 = 0x11111111; // EMIFB
PINMUX4 = 0x11111111; // EMIFB
PINMUX5 = 0x11111111; // EMIFB
PINMUX6 = 0x11111111; // EMIFB
PINMUX7 = 0x11111111; // EMIFB, SPI0
PINMUX8 = 0x11111111; // SPI1, UART0, McASP1
PINMUX9 = 0x11011111; // RMII CLK, McASP0, USB_DRVVBUS, SPI1
PINMUX10 = 0x22222221; // RMII/ McASP0
PINMUX11 = 0x11111122; // McASP1, UART1, McASP0, MDIO (last 2 digits 0x22 for MDIO instead of GPIO)
PINMUX12 = 0x11111111; // McASP0 / McASP1
PINMUX13 = 0x22111111; // SD / McASP1
PINMUX14 = 0x88222222; // SD / EMIFA
PINMUX15 = 0x21888888; // SD / EMIFA
PINMUX16 = 0x11111112; // SD / EMIFA
PINMUX17 = 0x00100111; // EMIFA
PINMUX18 = 0x11111111; // EMIFA
PINMUX19 = 0x00000001; // EMIFA
}
Thank you.
Chee-Beng
