ecp_power.lst

TI EVMDM355 开发板的测试程序,包括BOOT,DDR2,NAND,SD,UART,GPIO等芯片外设的测试驱动.

                                     ; ADCOVIE disabled
    242    000146                                                              
                                     ; ADC2TOVIE disabled
    243    000146                                                              
                                     ; No Enable Conversion
    244    000146                                                              
                                     ; No start
    245    000146 B2401202A201                   mov   #0x0212, &ADC12CTL1     
       ; Start on address 0
    246    00014C                                                              
                                     ; ADC12 source
    247    00014C                                                              
                                     ; SAMPCON from timer
    248    00014C                                                              
                                     ; No invert
    249    00014C                                                              
                                     ; ADC12 div = 1
    250    00014C                                                              
                                     ; ADC12 clk MCLK
    251    00014C                                                              
                                     ; Sequence of channels
    252    00014C                                                              
                                     ; Readonly
    253    00014C F24010008000                   mov.b #0x10, &ADC12MCTL0      
       ; Mem0 = A0
    254    000152 F24011008100                   mov.b #0x11, &ADC12MCTL1      
       ; Mem1 = A1
    255    000158 F24012008200                   mov.b #0x12, &ADC12MCTL2      
       ; Mem2 = A2
    256    00015E F2409B008300                   mov.b #0x9B, &ADC12MCTL3      
       ; Mem3 = AVCC, End of
    257    000164                                                              
                                     ; sequence
    258    000164 8243A601                       clr   &ADC12IE                
       ; Disable Interrupts
    259    000168                                
    260    000168 B2D00300A001                   bis   #0x0003,&ADC12CTL0      
       ; Start conversion
    261    00016E 0412                           push  R4                      
       ; Save R4
    262    000170 1442A201     WaitConvComplete  mov   &ADC12CTL1,R4           
                                                                        ; Get
                                                                   the status
                                                                   reg
    263    000174 14F3                           and   #0x0001,R4              
       ; Mask busy but
    264    000176 FC23                           jnz   WaitConvComplete        
       ; Not done
    265    000178 B2C00300A001                   bic   #0x0003,&ADC12CTL0      
       ; Prep for next conv
    266    00017E 3441                           pop   R4                      
       ; Restore R4
    267    000180 90424001....                   mov   &ADC12MEM0, Volts3V3    
                                                                         ; Save
                                                                    3.3V
                                                                    voltage
    268    000186 90424201....                   mov   &ADC12MEM1, Volts1V8    
                                                                         ; Save
                                                                    1.8V
                                                                    voltage
    269    00018C 90424401....                   mov   &ADC12MEM2, Volts1V3    
                                                                         ; Save
                                                                    1.3V
                                                                    voltage
    270    000192 90424601....                   mov   &ADC12MEM3, VoltsECP    
                                                                         ; Save
                                                                    3.3V ECP
                                                                    Voltage
    271    000198 3041                           ret
    272    00019A                                
    273    00019A              ; **********************************************
                               ******************************
    274    00019A              ; Function: CheckPower
    275    00019A              ;
    276    00019A              ; Purpose:  Checks the EVM power supplies. 
                                
    277    00019A              ;
    278    00019A              ; Inputs:   None
    279    00019A              ;
    280    00019A              ; Returns:  Memory location POWERSTATUS - Zero
                                if all supplies are good, other-
    281    00019A              ;           wise bits are set according to the
                                fail codes.  Memory locations
    282    00019A              ;           Volts3V3, Volts1V8, Volts1V3, and
                                VoltsECP are modified via a
    283    00019A              ;           call to ReadPS.
    284    00019A              ; **********************************************
                               ******************************                 
                                
    285    000000              PUBLIC CheckPower
    286    00019A 0812         CheckPower        push  R8                      
       ; Save regs
    287    00019C 0F12                           push  R15
    288    00019E 0F43                           clr   R15                     
       ; R15 stores fails
    289    0001A0 B012....                       call  #ReadPS                 
       ; Go read PS voltages
    290    0001A4 1840....     Check1V3          mov   Volts1V3,R8             
                                                                      ; Get
                                                                 voltage
    291    0001A8 3890D006                       cmp   #LOW_LIMIT_1V3,R8       
       ; Check low
    292    0001AC 0334                           jge   LowGood1V3              
       ; OK
    293    0001AE 7FD01000                       bis.b #FAIL_1V3,R15           
       ; Set fail code
    294    0001B2 053C                           jmp   Check1V8                
       ; Bad
    295    0001B4 38905308     LowGood1V3        cmp   #HIGH_LIMIT_1V3,R8      
       ; Check high
    296    0001B8 0238                           jl    Check1V8                
       ; OK
    297    0001BA 7FD01000                       bis.b #FAIL_1V3,R15           
       ; Set fail code
    298    0001BE 1840....     Check1V8          mov   Volts1V8,R8             
                                                                      ; Get
                                                                 voltage
    299    0001C2 38906E09                       cmp   #LOW_LIMIT_1V8,R8       
       ; Check low
    300    0001C6 0334                           jge   LowGood1V8              
       ; OK
    301    0001C8 7FD02000                       bis.b #FAIL_1V8,R15           
       ; Set fail code
    302    0001CC 053C                           jmp   Check3V3                
       ; Bad
    303    0001CE 3890870B     LowGood1V8        cmp   #HIGH_LIMIT_1V8,R8      
       ; Check high
    304    0001D2 0238                           jl    Check3V3                
       ; OK
    305    0001D4 7FD02000                       bis.b #FAIL_1V8,R15           
       ; Set fail code
    306    0001D8 1840....     Check3V3          mov   Volts3V3,R8             
                                                                      ; Get
                                                                 voltage
    307    0001DC 38908009                       cmp   #LOW_LIMIT_3V3,R8       
       ; Check low
    308    0001E0 0234                           jge   LowGood3V3              
       ; OK
    309    0001E2 7FD2                           bis.b #FAIL_3V3,R15           
       ; Set fail code
    310    0001E4 043C                           jmp   CheckECP                
       ; Bad
    311    0001E6 38909C0B     LowGood3V3        cmp   #HIGH_LIMIT_3V3,R8      
       ; Check high
    312    0001EA 0138                           jl    CheckECP                
       ; OK
    313    0001EC 7FD2                           bis.b #FAIL_3V3,R15           
       ; Set fail code
    314    0001EE 1840....     CheckECP          mov   VoltsECP,R8             
                                                                      ; Get
                                                                 voltage
    315    0001F2 38908009                       cmp   #LOW_LIMIT_ECP,R8       
       ; Check low
    316    0001F6 0234                           jge   LowGoodECP              
       ; OK
    317    0001F8 6FD2                           bis.b #FAIL_ECP,R15           
       ; Set fail code
    318    0001FA 043C                           jmp   PSCheckDone             
       ; Bad
    319    0001FC 38909C0B     LowGoodECP        cmp   #HIGH_LIMIT_ECP,R8      
       ; Check high
    320    000200 0138                           jl    PSCheckDone             
       ; OK
    321    000202 6FD2                           bis.b #FAIL_ECP,R15           
       ; Set fail code
    322    000204 C04F....     PSCheckDone       mov.b R15,PowerStatus         
                                                                 ; Save power
                                                            status
    323    000208 7FF3                           and.b #0xFF,R15               
       ; Is R15 zero?
    324    00020A 0520                           jnz   PowerError              
       ; Nope
    325    00020C E0C2....                       bic.b #ECP_POWER_ERROR,ECPStat
 us    ; Clear power fail bit
    326    000210 3F41                           pop   R15                     
       ; Restore Regs used
    327    000212 3841                           pop   R8
    328    000214 3041                           ret
    329    000216 E0D2....     PowerError        bis.b #ECP_POWER_ERROR,ECPStat
 us    ; Set power fail bit
    330    00021A 3F41                           pop   R15
    331    00021C 3841                           pop   R8
    332    00021E 3041                           ret
    333    000220                                END
##############################
#          CRC:786A          #
#        Errors:   0         #
#        Warnings: 0         #
#         Bytes: 544         #
##############################