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31 + All LED's are turned off to start.
39 #define partstNUM_LEDs 4
41 /*-----------------------------------------------------------
42 * Simple parallel port IO routines.
43 *-----------------------------------------------------------*/
45 void vParTestInitialise( void )
47 /* Enable signals as GPIO */
49 | MCF_GPIO_PTCPAR_DTIN3_GPIO
50 | MCF_GPIO_PTCPAR_DTIN2_GPIO
51 | MCF_GPIO_PTCPAR_DTIN1_GPIO
52 | MCF_GPIO_PTCPAR_DTIN0_GPIO;
54 /* Enable signals as digital outputs */
56 | MCF_GPIO_DDRTC_DDRTC3
57 | MCF_GPIO_DDRTC_DDRTC2
58 | MCF_GPIO_DDRTC_DDRTC1
59 | MCF_GPIO_DDRTC_DDRTC0;
61 MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF
63 /*-----------------------------------------------------------*/
65 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
67 unsigned portBASE_TYPE uxLEDMask;
69 if( uxLED < partstNUM_LEDs )
71 uxLEDMask = 1UL << uxLED;
77 MCF_GPIO_PORTTC |= uxLEDMask;
81 MCF_GPIO_PORTTC &= ~uxLEDMask;
87 /*-----------------------------------------------------------*/
89 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
91 unsigned portBASE_TYPE uxLEDMask;
93 if( uxLED < partstNUM_LEDs )
95 uxLEDMask = 1UL << uxLED;
99 if( MCF_GPIO_PORTTC & uxLEDMask )
101 MCF_GPIO_PORTTC &= ~uxLEDMask;
105 MCF_GPIO_PORTTC |= uxLEDMask;