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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [RX600_RX62N-RSK_IAR/] [RSKRX62N_Demo.c] - Blame information for rev 590

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Line No. Rev Author Line
1 585 jeremybenn
/*
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 * Copyright (c) 20010 IAR Systems AB.
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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/*
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 * IAR Embedded Workbench tutorial
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 *
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 * Test Program for the RSKRX62N Board.
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 * LED's perform different display according to
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 * which switch is pressed.
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 * Used to check that all the LED's, switches,
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 * clock function and AD trigger are working fine.
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 *
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 * $Revision: 2 $
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 */
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#include "iorx62n.h"
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#include "intrinsics.h"
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void ScrollLedsLowHigh(void);
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void ScrollLedsHighLow(void);
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unsigned long pause;
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unsigned long off_set;
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#define ON  0
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#define OFF 1
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#define LED0 PORT0.DR.BIT.B2  // P02 LED0
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#define LED1 PORT0.DR.BIT.B3  // P03 LED1
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#define LED2 PORT0.DR.BIT.B5  // P05 LED2
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#define LED3 PORT3.DR.BIT.B4  // P34 LED3
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#define LED4 PORT6.DR.BIT.B0  // P50 LED4
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#define LED5 PORT7.DR.BIT.B3  // P73 LED5
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/* defined words used in this program */
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enum {
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  SW1,
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  SW2,
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  SW3,
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  NONE
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}GetKey;
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/* SW1 ISR */
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#pragma vector = 72
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__interrupt void isr_sw1(void)
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{
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  GetKey=SW1;
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  CMT.CMSTR0.BIT.STR0 = 0; // stop timer
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  ICU.IR[72].BIT.IR = 0;   // clear interrupt request flag 
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}
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/* SW2 ISR */
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#pragma vector = 73
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__interrupt void isr_sw2(void)
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{
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  GetKey=SW2;
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  CMT.CMSTR0.BIT.STR0 = 0; // stop timer
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  ICU.IR[73].BIT.IR = 0;   // clear interrupt request flag  
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}
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/* SW3 ISR */
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#pragma vector = 79
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__interrupt void isr_sw3(void)
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{
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  GetKey=SW3;
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  CMT.CMSTR0.BIT.STR0 = 1; // start timer
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  ICU.IR[79].BIT.IR = 0;   // clear interrupt request flag    
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}
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/* Timer ISR */
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#pragma vector = 0x1c
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__interrupt void isr_cmt0(void)
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{
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  // Toggle LED's
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  LED0 = ~LED0;
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  LED1 = ~LED1;
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  LED2 = ~LED2;
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  LED3 = ~LED3;
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  LED4 = ~LED4;
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  LED5 = ~LED5;
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  ICU.IR[70].BIT.IR = 0;         // clear interrupt request flag
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}
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/* Main program. */
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void main (void)
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{
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  // enable modules
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  SYSTEM.MSTPCRA.BIT.MSTPA23 = 0; // A/D Converter (Unit 0) Module
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  // Set up RV1 (potentiometer)
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  AD0.ADCR.BIT.MODE = 2;  // Continuous scan mode
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  AD0.ADCSR.BIT.CH = 0;   // only AD0
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  AD0.ADCSR.BIT.ADST = 1; // Start A/D
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  // Set up SW1, SW2, SW3
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  PORT0.DDR.BIT.B0 = 0; // SW1 input on P00
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  PORT0.DDR.BIT.B1 = 0; // SW2 input on P01
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  PORT0.DDR.BIT.B7 = 0; // SW3 input on P07  
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  PORT0.ICR.BIT.B0 = 1; // Enable input buffer
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  PORT0.ICR.BIT.B1 = 1; // Enable input buffer
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  PORT0.ICR.BIT.B7 = 1; // Enable input buffer
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  // IRQ8-A used for SW1
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  IOPORT.PF8IRQ.BIT.ITS8 = 0; // P00 is designated as the IRQ8-A input pin.
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  IEN(ICU,IRQ8) = 1;
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  IPR(ICU,IRQ8) = 3;
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  // IRQ9-A used for SW2
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  IOPORT.PF8IRQ.BIT.ITS9 = 0; // P01 is designated as IRQ9-A input pin.
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  IEN(ICU,IRQ9) = 1;
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  IPR(ICU,IRQ9) = 3;
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  // IRQ15-A used for SW3
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  IOPORT.PF8IRQ.BIT.ITS15 = 0; // P07 is designated as the IRQ15-A input pin.
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  IEN(ICU,IRQ15) = 1;
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  IPR(ICU,IRQ15) = 3;
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  // Set up LED's
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  PORT0.DDR.BIT.B2 = 1;   // P02 LED0 
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  PORT0.DDR.BIT.B3 = 1;   // P03 LED1
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  PORT0.DDR.BIT.B5 = 1;   // P05 LED2
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  PORT3.DDR.BIT.B4 = 1;   // P34 LED3
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  PORT6.DDR.BIT.B0 = 1;   // P50 LED4
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  PORT7.DDR.BIT.B3 = 1;   // P73 LED5
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  // Turn al LED's off
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  LED0 = LED1 = LED2 = LED3 = LED4 = LED5 = OFF;
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  // Set up Timer
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  SYSTEM.MSTPCRA.BIT.MSTPA15 = 0; // CMT timers 0, 
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  CMT0.CMCR.BIT.CKS = 3;          // 25MHz/512 = 48.8kHz
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  CMT0.CMCR.BIT.CMIE = 1;         // enable peripheral interrupt source
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  CMT0.CMCOR = 12212;             // 4 Hz operation
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  ICU.IER[3].BIT.IEN4 = 1;        // enable timer 0 interrupt  
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  IPR(CMT0,CMI0) = 1;             // LED level 1
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  __enable_interrupt();
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  GetKey=SW1;
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  for (;;)
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  {
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    switch (GetKey)
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    {
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      case SW1:
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        ScrollLedsLowHigh();
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        break;
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      case SW2:
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        ScrollLedsHighLow();
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        break;
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      case SW3:
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        GetKey=NONE;
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        break;
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    }
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  }
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}
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/* scrolls the LED's from low to high */
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void ScrollLedsLowHigh()
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{
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  char led_number = 0;
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179
  while (GetKey == SW1)
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  {
181
    if (led_number > 5)
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      led_number = 0;
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    switch(led_number)
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    {
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    case 0:
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      LED0=ON;
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      LED1=LED2=LED3=LED4=LED5=OFF;
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      break;
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    case 1:
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      LED1=ON;
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      LED0=LED2=LED3=LED4=LED5=OFF;
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      break;
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    case 2:
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      LED2=ON;
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      LED0=LED1=LED3=LED4=LED5=OFF;
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      break;
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    case 3:
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      LED3=ON;
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      LED0=LED1=LED2=LED4=LED5=OFF;
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      break;
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    case 4:
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      LED4=ON;
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      LED0=LED1=LED2=LED3=LED5=OFF;
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      break;
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    case 5:
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      LED5=ON;
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      LED0=LED1=LED2=LED3=LED4=OFF;
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      break;
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    }
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    led_number++;
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    off_set = AD0.ADDRA*1000;
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    for (pause = off_set; pause != 0; pause --);
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  }
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}
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/* scrolls the LED's from high to low */
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void ScrollLedsHighLow()
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{
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  signed char led_number = 3;
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223
  while (GetKey == SW2)
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  {
225
    if (led_number < 0)
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      led_number = 5;
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228
    switch(led_number)
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    {
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    case 0:
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      LED0=ON;
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      LED1=LED2=LED3=LED4=LED5=OFF;
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      break;
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    case 1:
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      LED1=ON;
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      LED0=LED2=LED3=LED4=LED5=OFF;
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      break;
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    case 2:
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      LED2=ON;
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      LED0=LED1=LED3=LED4=LED5=OFF;
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      break;
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    case 3:
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      LED3=ON;
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      LED0=LED1=LED2=LED4=LED5=OFF;
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      break;
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    case 4:
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      LED4=ON;
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      LED0=LED1=LED2=LED3=LED5=OFF;
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      break;
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    case 5:
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      LED5=ON;
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      LED0=LED1=LED2=LED3=LED4=OFF;
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      break;
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    }
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    led_number--;
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257
    off_set = AD0.ADDRA*1000;
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    for (pause = off_set; pause != 0; pause --);
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  }
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}

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