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📄 max7219led.asm

📁 TMS320LF2407驱动max7219程序,用于显示,可采用编码和无编码两种方式
💻 ASM
📖 第 1 页 / 共 3 页
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;*********************************************************************
;用户寄存器定义
;*********************************************************************
SPI_DATA           .usect   ".data0",1
SPI_CON            .usect   ".data0",1
DP_USER            .set     4

;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
;Global symbol declarations
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                   .def      _7219start

;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
;Address definitions
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                   .include  f2407.h   
                   .include  max7219led.h  
                   ;.include  max7219ledbek.h

;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
;Setup the software stack
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stk_len            .set      100              ;stack length
stk                .usect    "stack",stk_len  ;reserve space for stack   

;*********************************************************************
;                     M A I N   R O U T I N E                        *
;*********************************************************************

                   .text
_7219start:  
                ;   POPD      *+
                ;   SAR       AR0,*+
                ;   SAR       AR6,*+
                ;   SAR       AR7,*+
                ;   SAR       AR1,*
                ;   LAR       AR0,#03H
                ;   LAR       AR0,*0+
                   
                   
                   LAR       AR1, #stk               ;AR1 is the stack pointer
                   CALL      SYSTEM_INIT 
                   CALL      IO_INIT 
                   CALL      SPI_INIT  
                    
                   SETC      XF  
                   LDP       #DP_USER
                   SPLK      #SHUT_DOWN_ON,SPI_CON 
                   CALL      SEND_LED_CTRL  
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #SCAN_LIMIT_3,SPI_CON 
                   CALL      SEND_LED_CTRL 
                                            
                   LDP       #DP_USER
                   SPLK      #INTENSITY_CTRL_F,SPI_CON 
                   CALL      SEND_LED_CTRL  
                   
                   LDP       #DP_USER
                   ;SPLK      #CODE_0_7,SPI_CON 
                   SPLK      #NO_CODE_DIG0_7,SPI_CON           
                   CALL      SEND_LED_CTRL
                   
                   LDP       #DP_USER
                   SPLK      #DISPLAY_TEST_ON,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #DISPLAY_TEST_OFF,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                     
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_BLANK,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_BLANK,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   LDP       #DP_USER
                   SPLK      #LED_2_NOCODE_BLANK,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   LDP       #DP_USER
                   SPLK      #LED_3_NOCODE_BLANK,SPI_CON 
                   CALL      SEND_LED_CTRL  
                   
LOOP_AK:           CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_0,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_1,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_2,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_3,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_4,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_5,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                  CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_6,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_7,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG  
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_8,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_9,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_A,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_C,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_E,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_F,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_H,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_L,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_P,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_Q,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   
                   
                   ;**********************************************************
                   
                   LDP       #DP_USER
                   SPLK      #LED_0_NOCODE_BLANK,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_0,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_1,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_2,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_3,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_4,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_5,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                  CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_6,SPI_CON 
                   CALL      SEND_LED_CTRL
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_7,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG  
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_8,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_9,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_A,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_C,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_E,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   
                   LDP       #DP_USER
                   SPLK      #LED_1_NOCODE_F,SPI_CON 
                   CALL      SEND_LED_CTRL 
                   
                   CALL      DELAY_LONG
                   

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