###############################################################################
#                                                                             #
# IAR Atmel AVR C/C++ Compiler V4.30F/W32               12/Mar/2008  23:01:40 #
# Copyright 1996-2007 IAR Systems. All rights reserved.                       #
#                                                                             #
#    Source file  =  C:\home\kevin\pub\src\bc100_cal\IAR\time.c               #
#    Command line =  C:\home\kevin\pub\src\bc100_cal\IAR\time.c               #
#                    --cpu=tiny861 -ms -o C:\home\kevin\pub\src\bc100_cal\IAR #
#                    \Debug\Obj\ -lC C:\home\kevin\pub\src\bc100_cal\IAR\Debu #
#                    g\List\ -lB C:\home\kevin\pub\src\bc100_cal\IAR\Debug\Li #
#                    st\ --initializers_in_flash -z2 --no_cse --no_inline     #
#                    --no_code_motion --no_cross_call --no_clustering         #
#                    --no_tbaa --debug -DENABLE_BIT_DEFINITIONS -e            #
#                    --require_prototypes -I "C:\Program Files\IAR            #
#                    Systems\Embedded Workbench 4.0\avr\INC\" -I "C:\Program  #
#                    Files\IAR Systems\Embedded Workbench 4.0\avr\INC\CLIB\"  #
#                    --eeprom_size 512                                        #
#    List file    =  C:\home\kevin\pub\src\bc100_cal\IAR\Debug\List\time.lst  #
#    Object file  =  C:\home\kevin\pub\src\bc100_cal\IAR\Debug\Obj\time.r90   #
#                                                                             #
#                                                                             #
###############################################################################

C:\home\kevin\pub\src\bc100_cal\IAR\time.c
      1          /* This file has been prepared for Doxygen automatic documentation generation.*/
      2          /*! \file *********************************************************************
      3           *
      4           * \brief
      5           *      Functions for timing
      6           *
      7           *      Contains functions to initialize, set, poll and stop timers.
      8           *
      9           * \par Application note:
     10           *      AVR458: Charging Li-Ion Batteries with BC100 \n
     11           *      AVR463: Charging NiMH Batteries with BC100
     12           *
     13           * \par Documentation
     14           *      For comprehensive code documentation, supported compilers, compiler 
     15           *      settings and supported devices see readme.html
     16           *
     17           * \author
     18           *      Atmel Corporation: http://www.atmel.com \n
     19           *      Support email: avr@atmel.com
     20           *
     21           * 
     22           * $Name$
     23           * $Revision: 2299 $
     24           * $RCSfile$
     25           * $URL: http://svn.norway.atmel.com/AppsAVR8/avr458_Charging_Li-Ion_Batteries_with_BC100/tag/20070904_release_1.0/code/IAR/time.c $
     26           * $Date: 2007-08-23 12:55:51 +0200 (to, 23 aug 2007) $\n
     27           ******************************************************************************/
     28          
     29          #include <ioavr.h>

   \                                 In  segment ABSOLUTE, at 0x59
   \   <unnamed> volatile __io _A_TIMSK
   \                     _A_TIMSK:
   \   00000000                      DS 1

   \                                 In  segment ABSOLUTE, at 0x53
   \   <unnamed> volatile __io _A_TCCR0B
   \                     _A_TCCR0B:
   \   00000000                      DS 1

   \                                 In  segment ABSOLUTE, at 0x35
   \   <unnamed> volatile __io _A_TCCR0A
   \                     _A_TCCR0A:
   \   00000000                      DS 1

   \                                 In  segment ABSOLUTE, at 0x33
   \   <unnamed> volatile __io _A_OCR0A
   \                     _A_OCR0A:
   \   00000000                      DS 1

   \                                 In  segment ABSOLUTE, at 0x32
   \   <unnamed> volatile __io _A_OCR0B
   \                     _A_OCR0B:
   \   00000000                      DS 1
     30          #include <inavr.h>
     31          
     32          #include "enums.h"
     33          
     34          #include "main.h"
     35          #include "time.h"
     36          
     37          
     38          //******************************************************************************
     39          // Variables
     40          //******************************************************************************

   \                                 In  segment NEAR_Z, align 1, keep-with-next
   \   00000000                      REQUIRE `?<Segment init: NEAR_Z>`
     41          unsigned long timeval[TIMERS];  //!< Contains the values for each timer.
   \                     timeval:
   \   00000000                      DS 16
     42          
     43          // timer runs at 1 MHz and overflow will occur every 255 / 1 Mz ~= 0.25 ms 
     44          //#pragma vector = TIM0_OVF_vect
     45          
     46          
     47          //******************************************************************************
     48          // Functions
     49          //******************************************************************************
     50          /*! \brief Interrupt service routine for timer 0 overflow
     51           *
     52           * Timer 0 runs at 125 kHz and compare match will occur every millisecond
     53           * (125 / 125 kHz = 1.0 ms), which will result in a call to this function.
     54           * When called, this function will decrement the time left for each timer,
     55           * unless they are already at zero.
     56           */
     57          #pragma vector = TIM0_COMPA_vect

   \                                 In  segment CODE, align 2, keep-with-next
     58          __interrupt void TICK_ISR(void)
   \                     TICK_ISR:
     59          {
   \   00000000   93FA               ST      -Y, R31
   \   00000002   93EA               ST      -Y, R30
   \   00000004   920A               ST      -Y, R0
   \   00000006   937A               ST      -Y, R23
   \   00000008   936A               ST      -Y, R22
   \   0000000A   935A               ST      -Y, R21
   \   0000000C   934A               ST      -Y, R20
   \   0000000E   933A               ST      -Y, R19
   \   00000010   932A               ST      -Y, R18
   \   00000012   931A               ST      -Y, R17
   \   00000014   930A               ST      -Y, R16
   \   00000016   B60F               IN      R0, 0x3F
     60          	unsigned char i;
     61          
     62          	// 1 ms has passed, decrement all non-zero timers.
     63          	for (i = 0; i < TIMERS; i++) {
   \   00000018   E000               LDI     R16, 0
   \                     ??TICK_ISR_0:
   \   0000001A   3004               CPI     R16, 4
   \   0000001C   F540               BRCC    ??TICK_ISR_1
     64          		if(timeval[i] > 0) {
   \   0000001E   2F20               MOV     R18, R16
   \   00000020   E030               LDI     R19, 0
   \   00000022   0F22               LSL     R18
   \   00000024   1F33               ROL     R19
   \   00000026   0F22               LSL     R18
   \   00000028   1F33               ROL     R19
   \   0000002A   01F9               MOVW    R31:R30, R19:R18
   \   0000002C   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   0000002E   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   00000030   8140               LD      R20, Z
   \   00000032   8151               LDD     R21, Z+1
   \   00000034   8162               LDD     R22, Z+2
   \   00000036   8173               LDD     R23, Z+3
   \   00000038   2B45               OR      R20, R21
   \   0000003A   2B46               OR      R20, R22
   \   0000003C   2B47               OR      R20, R23
   \   0000003E   F0A9               BREQ    ??TICK_ISR_2
     65          			timeval[i]--;
   \   00000040   2F20               MOV     R18, R16
   \   00000042   E030               LDI     R19, 0
   \   00000044   0F22               LSL     R18
   \   00000046   1F33               ROL     R19
   \   00000048   0F22               LSL     R18
   \   0000004A   1F33               ROL     R19
   \   0000004C   01F9               MOVW    R31:R30, R19:R18
   \   0000004E   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   00000050   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   00000052   8140               LD      R20, Z
   \   00000054   8151               LDD     R21, Z+1
   \   00000056   8162               LDD     R22, Z+2
   \   00000058   8173               LDD     R23, Z+3
   \   0000005A   5041               SUBI    R20, 1
   \   0000005C   4050               SBCI    R21, 0
   \   0000005E   4060               SBCI    R22, 0
   \   00000060   4070               SBCI    R23, 0
   \   00000062   8340               ST      Z, R20
   \   00000064   8351               STD     Z+1, R21
   \   00000066   8362               STD     Z+2, R22
   \   00000068   8373               STD     Z+3, R23
     66          		}
     67          	}
   \                     ??TICK_ISR_2:
   \   0000006A   9503               INC     R16
   \   0000006C   CFD6               RJMP    ??TICK_ISR_0
     68          }
   \                     ??TICK_ISR_1:
   \   0000006E   BE0F               OUT     0x3F, R0
   \   00000070   9109               LD      R16, Y+
   \   00000072   9119               LD      R17, Y+
   \   00000074   9129               LD      R18, Y+
   \   00000076   9139               LD      R19, Y+
   \   00000078   9149               LD      R20, Y+
   \   0000007A   9159               LD      R21, Y+
   \   0000007C   9169               LD      R22, Y+
   \   0000007E   9179               LD      R23, Y+
   \   00000080   9009               LD      R0, Y+
   \   00000082   91E9               LD      R30, Y+
   \   00000084   91F9               LD      R31, Y+
   \   00000086   9518               RETI
     69          
     70          
     71          /*! \brief Checks if a specified timer has expired
     72           *
     73           * \param timer Specifies timer
     74           *
     75           * \retval TRUE Timer still going.
     76           * \retval FALSE Timer has expired.
     77           */ 

   \                                 In  segment CODE, align 2, keep-with-next
     78          unsigned char Time_Left(unsigned char timer)
   \                     Time_Left:
     79          {
   \   00000000   2F20               MOV     R18, R16
     80          	if(timeval[timer] > 0) {
   \   00000002   2F02               MOV     R16, R18
   \   00000004   E010               LDI     R17, 0
   \   00000006   0F00               LSL     R16
   \   00000008   1F11               ROL     R17
   \   0000000A   0F00               LSL     R16
   \   0000000C   1F11               ROL     R17
   \   0000000E   01F8               MOVW    R31:R30, R17:R16
   \   00000010   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   00000012   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   00000014   8140               LD      R20, Z
   \   00000016   8151               LDD     R21, Z+1
   \   00000018   8162               LDD     R22, Z+2
   \   0000001A   8173               LDD     R23, Z+3
   \   0000001C   2B45               OR      R20, R21
   \   0000001E   2B46               OR      R20, R22
   \   00000020   2B47               OR      R20, R23
   \   00000022   F011               BREQ    ??Time_Left_0
     81          		return(TRUE);
   \   00000024   E001               LDI     R16, 1
   \   00000026   9508               RET
     82          	} else {
     83          		return(FALSE);
   \                     ??Time_Left_0:
   \   00000028   E000               LDI     R16, 0
   \   0000002A   9508               RET
     84          	}
     85          }
     86          
     87          
     88          /*! \brief Sets the specified timer
     89           *
     90           * \param timer Specifies timer
     91           * \param min Minutes for timer to count down
     92           * \param sec Seconds for timer to count down
     93           * \param ms Milliseconds for timer to count down
     94           */

   \                                 In  segment CODE, align 2, keep-with-next
     95          void Time_Set(unsigned char timer, unsigned int min, unsigned char sec,
   \                     Time_Set:
     96          				  unsigned char ms)
     97          {
   \   00000000   ....               RCALL   ?PROLOGUE7_L09
   \   00000002                      REQUIRE ?Register_R4_is_cg_reg
   \   00000002                      REQUIRE ?Register_R5_is_cg_reg
   \   00000002                      REQUIRE ?Register_R6_is_cg_reg
   \   00000002   2FA0               MOV     R26, R16
   \   00000004   01C9               MOVW    R25:R24, R19:R18
   \   00000006   2E61               MOV     R6, R17
   \   00000008   2E44               MOV     R4, R20
     98          //	timeval[i] = 4 * (1000*(sec + 60*min) + ms);   // about 4000 ticks per second
     99          //	timeval[i] = 240000 * (unsigned long)min;
    100          //	timeval[i] += 4000 * (unsigned long)sec;
    101          //	timeval[i] += 4 * (unsigned long)ms;
    102          
    103          	timeval[timer] = 60000 * (unsigned long)min;
   \   0000000A   01AC               MOVW    R21:R20, R25:R24
   \   0000000C   E060               LDI     R22, 0
   \   0000000E   E070               LDI     R23, 0
   \   00000010   E600               LDI     R16, 96
   \   00000012   EE1A               LDI     R17, 234
   \   00000014   E020               LDI     R18, 0
   \   00000016   E030               LDI     R19, 0
   \   00000018   ....               RCALL   ?L_MUL_L03
   \   0000001A   2F4A               MOV     R20, R26
   \   0000001C   E050               LDI     R21, 0
   \   0000001E   0F44               LSL     R20
   \   00000020   1F55               ROL     R21
   \   00000022   0F44               LSL     R20
   \   00000024   1F55               ROL     R21
   \   00000026   01FA               MOVW    R31:R30, R21:R20
   \   00000028   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   0000002A   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   0000002C   8300               ST      Z, R16
   \   0000002E   8311               STD     Z+1, R17
   \   00000030   8322               STD     Z+2, R18
   \   00000032   8333               STD     Z+3, R19
    104          	timeval[timer] += 1000 * (unsigned long)sec;
   \   00000034   2D46               MOV     R20, R6
   \   00000036   E050               LDI     R21, 0
   \   00000038   E060               LDI     R22, 0
   \   0000003A   E070               LDI     R23, 0
   \   0000003C   EE08               LDI     R16, 232
   \   0000003E   E013               LDI     R17, 3
   \   00000040   E020               LDI     R18, 0
   \   00000042   E030               LDI     R19, 0
   \   00000044   ....               RCALL   ?L_MUL_L03
   \   00000046   2F4A               MOV     R20, R26
   \   00000048   E050               LDI     R21, 0
   \   0000004A   0F44               LSL     R20
   \   0000004C   1F55               ROL     R21
   \   0000004E   0F44               LSL     R20
   \   00000050   1F55               ROL     R21
   \   00000052   01FA               MOVW    R31:R30, R21:R20
   \   00000054   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   00000056   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   00000058   8140               LD      R20, Z
   \   0000005A   8151               LDD     R21, Z+1
   \   0000005C   8162               LDD     R22, Z+2
   \   0000005E   8173               LDD     R23, Z+3
   \   00000060   0F40               ADD     R20, R16
   \   00000062   1F51               ADC     R21, R17
   \   00000064   1F62               ADC     R22, R18
   \   00000066   1F73               ADC     R23, R19
   \   00000068   8340               ST      Z, R20
   \   0000006A   8351               STD     Z+1, R21
   \   0000006C   8362               STD     Z+2, R22
   \   0000006E   8373               STD     Z+3, R23
    105          	timeval[timer] += 1 * (unsigned long)ms;
   \   00000070   2455               CLR     R5
   \   00000072   0182               MOVW    R17:R16, R5:R4
   \   00000074   E020               LDI     R18, 0
   \   00000076   E030               LDI     R19, 0
   \   00000078   2F4A               MOV     R20, R26
   \   0000007A   E050               LDI     R21, 0
   \   0000007C   0F44               LSL     R20
   \   0000007E   1F55               ROL     R21
   \   00000080   0F44               LSL     R20
   \   00000082   1F55               ROL     R21
   \   00000084   01FA               MOVW    R31:R30, R21:R20
   \   00000086   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   00000088   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   0000008A   8140               LD      R20, Z
   \   0000008C   8151               LDD     R21, Z+1
   \   0000008E   8162               LDD     R22, Z+2
   \   00000090   8173               LDD     R23, Z+3
   \   00000092   0F40               ADD     R20, R16
   \   00000094   1F51               ADC     R21, R17
   \   00000096   1F62               ADC     R22, R18
   \   00000098   1F73               ADC     R23, R19
   \   0000009A   8340               ST      Z, R20
   \   0000009C   8351               STD     Z+1, R21
   \   0000009E   8362               STD     Z+2, R22
   \   000000A0   8373               STD     Z+3, R23
    106          }
   \   000000A2   E0E7               LDI     R30, 7
   \   000000A4   ....               RJMP    ?EPILOGUE_B7_L09
    107          
    108          
    109          /*! \brief Stops timers
    110           *
    111           * Sets timer0's clock source to none.
    112           */

   \                                 In  segment CODE, align 2, keep-with-next
    113          void Time_Stop(void)
   \                     Time_Stop:
    114          {
    115          	TCCR0B = 0;
   \   00000000   E000               LDI     R16, 0
   \   00000002   BF03               OUT     0x33, R16
    116          }
   \   00000004   9508               RET
   \   00000006                      REQUIRE _A_TCCR0B
    117          
    118          
    119          /*! \brief Starts timers
    120           *
    121           * Sets timer0's clock source to system clock divided by 64.
    122           */

   \                                 In  segment CODE, align 2, keep-with-next
    123          void Time_Start(void)
   \                     Time_Start:
    124          {
    125          	TCCR0B = (0<<CS02)|(1<<CS01)|(1<<CS00);  	// CLKT0 = CLK/64 = 125 kHz.
   \   00000000   E003               LDI     R16, 3
   \   00000002   BF03               OUT     0x33, R16
    126          }
   \   00000004   9508               RET
   \   00000006                      REQUIRE _A_TCCR0B
    127          
    128          
    129          /*! \brief Initializes timers
    130           *
    131           * Resets all the timer values to 0, then sets up timer 0 for a compare match
    132           * every millisecond.
    133           */

   \                                 In  segment CODE, align 2, keep-with-next
    134          void Time_Init(void)
   \                     Time_Init:
    135          {
    136          	unsigned char i;
    137          	
    138          	for (i = 0; i<<TIMERS; i++)	{
   \   00000000   E040               LDI     R20, 0
   \                     ??Time_Init_0:
   \   00000002   2344               TST     R20
   \   00000004   F099               BREQ    ??Time_Init_1
    139          		timeval[i] = 0;
   \   00000006   E000               LDI     R16, 0
   \   00000008   E010               LDI     R17, 0
   \   0000000A   E020               LDI     R18, 0
   \   0000000C   E030               LDI     R19, 0
   \   0000000E   2F64               MOV     R22, R20
   \   00000010   E070               LDI     R23, 0
   \   00000012   0F66               LSL     R22
   \   00000014   1F77               ROL     R23
   \   00000016   0F66               LSL     R22
   \   00000018   1F77               ROL     R23
   \   0000001A   01FB               MOVW    R31:R30, R23:R22
   \   0000001C   ....               SUBI    R30, LOW((-(timeval) & 0xFFFF))
   \   0000001E   ....               SBCI    R31, (-(timeval) & 0xFFFF) >> 8
   \   00000020   8300               ST      Z, R16
   \   00000022   8311               STD     Z+1, R17
   \   00000024   8322               STD     Z+2, R18
   \   00000026   8333               STD     Z+3, R19
    140          	}
   \   00000028   9543               INC     R20
   \   0000002A   CFEB               RJMP    ??Time_Init_0
    141          
    142          	//    OCR0A = 0;  // Doesn't matter, will run in normal mode.
    143          	
    144          	OCR0A = 125;  // Will give a compare match every ms.
   \                     ??Time_Init_1:
   \   0000002C   E70D               LDI     R16, 125
   \   0000002E   BB03               OUT     0x13, R16
    145          	
    146          	OCR0B = 0;  // Doesn't matter, will run in normal mode.
   \   00000030   E000               LDI     R16, 0
   \   00000032   BB02               OUT     0x12, R16
    147          
    148          		//    TCCR0A = 0;  // Normal 8-bit mode, no input capture.
    149          
    150          	TCCR0A = (1<<WGM00);  // 8-bit CTC mode.
   \   00000034   E001               LDI     R16, 1
   \   00000036   BB05               OUT     0x15, R16
    151          	
    152          	//    TCCR0B = (0<<CS02)|(1<<CS01)|(0<<CS00);  // CLKT0 = CLK/8 = 1 MHz.
    153          	
    154          	TCCR0B = (0<<CS02)|(1<<CS01)|(1<<CS00);  	// CLKT0 = CLK/64 = 125 kHz.
   \   00000038   E003               LDI     R16, 3
   \   0000003A   BF03               OUT     0x33, R16
    155          
    156          	//    TIMSK |= (1<<TOIE0);	// Overflow interrupt enabled.
    157          
    158          	TIMSK |= (1<<OCIE0A);  // Timer 0, Compare match A interrupt enabled.
   \   0000003C   B709               IN      R16, 0x39
   \   0000003E   6100               ORI     R16, 0x10
   \   00000040   BF09               OUT     0x39, R16
    159          
    160          	// Enable interrupts, just in case they weren't already.
    161          	__enable_interrupt();       
   \   00000042   9478               SEI
    162          }
   \   00000044   9508               RET
   \   00000046                      REQUIRE _A_TIMSK
   \   00000046                      REQUIRE _A_TCCR0B
   \   00000046                      REQUIRE _A_TCCR0A
   \   00000046                      REQUIRE _A_OCR0A
   \   00000046                      REQUIRE _A_OCR0B

   \                                 In  segment INTVEC, offset 0x1c, root
   \                     `??TICK_ISR??INTVEC 28`:
   \   0000001C   ....               RJMP    TICK_ISR

   Maximum stack usage in bytes:

     Function   CSTACK RSTACK
     --------   ------ ------
     TICK_ISR      11      2
     Time_Init      0      2
     Time_Left      0      2
     Time_Set       7      4
     Time_Start     0      2
     Time_Stop      0      2


   Segment part sizes:

     Function/Label        Bytes
     --------------        -----
     _A_TIMSK                 1
     _A_TCCR0B                1
     _A_TCCR0A                1
     _A_OCR0A                 1
     _A_OCR0B                 1
     timeval                 16
     TICK_ISR               136
     Time_Left               44
     Time_Set               166
     Time_Stop                6
     Time_Start               6
     Time_Init               70
     ??TICK_ISR??INTVEC 28    2
      Others                  6

 
   5 bytes in segment ABSOLUTE
 428 bytes in segment CODE
   6 bytes in segment INITTAB
   2 bytes in segment INTVEC
  16 bytes in segment NEAR_Z
 
 428 bytes of CODE memory (+ 8 bytes shared)
  16 bytes of DATA memory (+ 5 bytes shared)

Errors: none
Warnings: none