MSP430 + digital tube display program
#included
void _delay () {Unsigned INT I, J; for (i = 0; I< = 5000; i ++) {for (j = 0; J< = 5 ; J ++);}}
Void main (void) {WDTCTL = WDTPW + WDTHOLD; P1DIR = p1dir | 0xff; static unsigned int a [] = {0XC0, 0xF9, 0xA4, 0X82, 0X99, 0X92, 0X82, 0XF8, 0X80, 0X90, 0X88, 0X83, 0xc6,
0xA1, 0x86, 0x8e, 0x8c, 0xc1,0x91,0x00}; unsigned int x; for (;;) {for (x = 0; x< = 16; x ++) {P1out = a [x]; _delay }}}
MSP430 implementation MAX7219 display program (assembly)
#include "MSP430X41X.H" DIN EQU 001H; P1.0Clk EQU 002H; P1.1LOAD EQU 004H; P1.2
ORG 0F000HRESET MOV # 300H, SP; Initialization MOV # WDTPW + WDTHOLD, & WDTCTLBIS.B #DHOLD, & WDTCTLBIS.B # DIN, & P1DIRBIS.B # loading, & p1dirpush # 00c01h; Set Operation Mode Bic.B # loading, & P1outCall #Movebis. B # loading, & p1out
Push # 00B05H; Set the number of scan bic.b # loading, & p1outcall # movebis.b # loading, & p1out
Push # 009ffH; set encoding method bic.b # loading, & p1outcall movis.b # loading, & p1out
Push # 00a07h; set brightness bic.b # loading, & p1outcall movebis.b # loading, & p1out
Xian Push # 00107H; Show the first bic.b # loading, & p1outcall movingbis.b # loading, & p1out
Push # 00206h; Show Second BiC.B # loading, & p1outcall movivis.b # loading, & p1out
Push # 00305H; Show the third bic.b # loading, & p1outcall movebis.b # loading, & p1out
Push # 00404h; Display Fourth BiC.B # loading, & p1outcall movis.b # loading, & p1out
Push # 00503h; Show fifth bic.b # loading, & p1outcall movebis.b # loading, & p1out
Push # 00602h; Show Sixth Bic.B # loading, & p1outcall movis.b # loading, & p1outjmp $ move mov.b # 16, R6MOV 2 (SP), R13MOV # 1, R10sendloop Bic.B # CLK, & P1outBit R10, R13JNZ SEND1SEND0 BIC.B # DIN, & P1OUTJMP GOONSEND1 BIS.B # DIN, & P1OUTGOON BIS.B # CLK, & P1OUTRLA R10BIC.B # CLK, & P1OUTDEC R6JNZ SENDLOOPRETORG 0FFFEHDW RESETEND # include "msp430x41x.h" DIN EQU 001H; P1.0CLK EQU 002H; p1.1load EQU 004H; P1.2
ORG 0F000HMOV # 300H, SP; Initialization MOV # WDTPW + WDTHOLD, & WDTCTLBIS.B #CLK, & P1Dirbis.b # DIN, & P1DIRBIS.B # loading, & p1dir
Push # 00c01h; Set Operation Mode Bic.B # loading, & p1outCall # movebis.b # loading, & p1out
Push # 00B05H; Set the number of scan bic.b # loading, & p1outcall # movebis.b # loading, & p1out
Push # 009ffH; set encoding method bic.b # loading, & p1outcall movis.b # loading, & p1out
Push # 00a07h; set brightness bic.b # loading, & p1outcall movebis.b # loading, & p1out
Xian Push # 00107H; Show the first bic.b # loading, & p1outcall movingbis.b # loading, & p1out
Push # 00206h; Show Second BiC.B # loading, & p1outcall movivis.b # loading, & p1out
Push # 00305H; Show the third bic.b # loading, & p1outcall movebis.b # loading, & p1out
Push # 00404h; Display Fourth BiC.B # loading, & p1outcall movis.b # loading, & p1out
Push # 00503h; Show fifth bic.b # loading, & p1outcall movebis.b # loading, & p1out
Push # 00602H; Show Sixth BiC.B # loading, & p1outcall movebis.b # loading, & p1outjmp $ move mov.b # 16, R6POP R13MOV # 1, R10sendloop Bic.b # CLK, & P1outBit R10, R13jnz send1send0 bic.b # Din, & p1outjmp goonsend1 bis.b # din, & p1outgoon bis.b # CLK, & P1outrla r10bic.b # CLK, & P1outdec r6jnz sendloopretenD, read full text, technology area
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