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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [RX600_RX62N-RDK_IAR/] [RSKRX62N_Demo.c] - Rev 712
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/* * Copyright (c) 20010 IAR Systems AB. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * IAR Embedded Workbench tutorial * * Test Program for the RSKRX62N Board. * LED's perform different display according to * which switch is pressed. * Used to check that all the LED's, switches, * clock function and AD trigger are working fine. * * $Revision: 2 $ */ #include "iorx62n.h" #include "intrinsics.h" void ScrollLedsLowHigh(void); void ScrollLedsHighLow(void); unsigned long pause; unsigned long off_set; #define ON 0 #define OFF 1 #define LED0 PORT0.DR.BIT.B2 // P02 LED0 #define LED1 PORT0.DR.BIT.B3 // P03 LED1 #define LED2 PORT0.DR.BIT.B5 // P05 LED2 #define LED3 PORT3.DR.BIT.B4 // P34 LED3 #define LED4 PORT6.DR.BIT.B0 // P50 LED4 #define LED5 PORT7.DR.BIT.B3 // P73 LED5 /* defined words used in this program */ enum { SW1, SW2, SW3, NONE }GetKey; /* SW1 ISR */ #pragma vector = 72 __interrupt void isr_sw1(void) { GetKey=SW1; CMT.CMSTR0.BIT.STR0 = 0; // stop timer ICU.IR[72].BIT.IR = 0; // clear interrupt request flag } /* SW2 ISR */ #pragma vector = 73 __interrupt void isr_sw2(void) { GetKey=SW2; CMT.CMSTR0.BIT.STR0 = 0; // stop timer ICU.IR[73].BIT.IR = 0; // clear interrupt request flag } /* SW3 ISR */ #pragma vector = 79 __interrupt void isr_sw3(void) { GetKey=SW3; CMT.CMSTR0.BIT.STR0 = 1; // start timer ICU.IR[79].BIT.IR = 0; // clear interrupt request flag } /* Timer ISR */ #pragma vector = 0x1c __interrupt void isr_cmt0(void) { // Toggle LED's LED0 = ~LED0; LED1 = ~LED1; LED2 = ~LED2; LED3 = ~LED3; LED4 = ~LED4; LED5 = ~LED5; ICU.IR[70].BIT.IR = 0; // clear interrupt request flag } /* Main program. */ void main (void) { // enable modules SYSTEM.MSTPCRA.BIT.MSTPA23 = 0; // A/D Converter (Unit 0) Module // Set up RV1 (potentiometer) AD0.ADCR.BIT.MODE = 2; // Continuous scan mode AD0.ADCSR.BIT.CH = 0; // only AD0 AD0.ADCSR.BIT.ADST = 1; // Start A/D // Set up SW1, SW2, SW3 PORT0.DDR.BIT.B0 = 0; // SW1 input on P00 PORT0.DDR.BIT.B1 = 0; // SW2 input on P01 PORT0.DDR.BIT.B7 = 0; // SW3 input on P07 PORT0.ICR.BIT.B0 = 1; // Enable input buffer PORT0.ICR.BIT.B1 = 1; // Enable input buffer PORT0.ICR.BIT.B7 = 1; // Enable input buffer // IRQ8-A used for SW1 IOPORT.PF8IRQ.BIT.ITS8 = 0; // P00 is designated as the IRQ8-A input pin. IEN(ICU,IRQ8) = 1; IPR(ICU,IRQ8) = 3; // IRQ9-A used for SW2 IOPORT.PF8IRQ.BIT.ITS9 = 0; // P01 is designated as IRQ9-A input pin. IEN(ICU,IRQ9) = 1; IPR(ICU,IRQ9) = 3; // IRQ15-A used for SW3 IOPORT.PF8IRQ.BIT.ITS15 = 0; // P07 is designated as the IRQ15-A input pin. IEN(ICU,IRQ15) = 1; IPR(ICU,IRQ15) = 3; // Set up LED's PORT0.DDR.BIT.B2 = 1; // P02 LED0 PORT0.DDR.BIT.B3 = 1; // P03 LED1 PORT0.DDR.BIT.B5 = 1; // P05 LED2 PORT3.DDR.BIT.B4 = 1; // P34 LED3 PORT6.DDR.BIT.B0 = 1; // P50 LED4 PORT7.DDR.BIT.B3 = 1; // P73 LED5 // Turn al LED's off LED0 = LED1 = LED2 = LED3 = LED4 = LED5 = OFF; // Set up Timer SYSTEM.MSTPCRA.BIT.MSTPA15 = 0; // CMT timers 0, CMT0.CMCR.BIT.CKS = 3; // 25MHz/512 = 48.8kHz CMT0.CMCR.BIT.CMIE = 1; // enable peripheral interrupt source CMT0.CMCOR = 12212; // 4 Hz operation ICU.IER[3].BIT.IEN4 = 1; // enable timer 0 interrupt IPR(CMT0,CMI0) = 1; // LED level 1 __enable_interrupt(); GetKey=SW1; for (;;) { switch (GetKey) { case SW1: ScrollLedsLowHigh(); break; case SW2: ScrollLedsHighLow(); break; case SW3: GetKey=NONE; break; } } } /* scrolls the LED's from low to high */ void ScrollLedsLowHigh() { char led_number = 0; while (GetKey == SW1) { if (led_number > 5) led_number = 0; switch(led_number) { case 0: LED0=ON; LED1=LED2=LED3=LED4=LED5=OFF; break; case 1: LED1=ON; LED0=LED2=LED3=LED4=LED5=OFF; break; case 2: LED2=ON; LED0=LED1=LED3=LED4=LED5=OFF; break; case 3: LED3=ON; LED0=LED1=LED2=LED4=LED5=OFF; break; case 4: LED4=ON; LED0=LED1=LED2=LED3=LED5=OFF; break; case 5: LED5=ON; LED0=LED1=LED2=LED3=LED4=OFF; break; } led_number++; off_set = AD0.ADDRA*1000; for (pause = off_set; pause != 0; pause --); } } /* scrolls the LED's from high to low */ void ScrollLedsHighLow() { signed char led_number = 3; while (GetKey == SW2) { if (led_number < 0) led_number = 5; switch(led_number) { case 0: LED0=ON; LED1=LED2=LED3=LED4=LED5=OFF; break; case 1: LED1=ON; LED0=LED2=LED3=LED4=LED5=OFF; break; case 2: LED2=ON; LED0=LED1=LED3=LED4=LED5=OFF; break; case 3: LED3=ON; LED0=LED1=LED2=LED4=LED5=OFF; break; case 4: LED4=ON; LED0=LED1=LED2=LED3=LED5=OFF; break; case 5: LED5=ON; LED0=LED1=LED2=LED3=LED4=OFF; break; } led_number--; off_set = AD0.ADDRA*1000; for (pause = off_set; pause != 0; pause --); } }
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