Usb
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Universidad Politécnica Salesiana Facultad de ingenierías Ingeniería Electrónica Integrantes:
Esteban Arrieta Carlos Malla Alejandro Valencia Santiago Yánez
COMUNICACIÓN USB A través de la siguiente práctica ejemplifica la comunicación entre el pc y un microcontrolador pic 18f4550 usb. CÓDIGO Program usb dim k as byte dim userRD_buffer as byte[64] dim userWR_buffer as byte[64] sub procedure interrupt asm CALL _Hid_InterruptProc nop end asm end sub sub procedure Init_Main INTCON = 0 INTCON2 = $F5 INTCON3 = $C0 RCON.IPEN = 0 PIE1 = 0 PIE2 = 0 PIR1 = 0 PIR2 = 0 ADCON1 = ADCON1 or $0F TRISA = 0 TRISB = 0 TRISC = $FF TRISD = $FF TRISE = $07 LATA = 0 LATB = 0 LATC = 0 LATD = 0 LATE = 0 asm
LFSR FSR0, $000 MOVLW $08 CLRF POSTINC0, 0 CPFSEQ FSR0H, 0 BRA $ - 2 end asm T0CON = $07; TMR0H = (65536 - 156) >> 8 TMR0L = (65536 - 156) and $FF INTCON.T0IE = 1 ' Enable T0IE T0CON.TMR0ON = 1 end sub main: Init_Main() Hid_Enable(@userRD_buffer, @userWR_buffer) do for k = 0 to 255 userWR_buffer[0] = k Hid_Write(@userWR_buffer, 1) next k loop until FALSE Hid_Disable end.
DIAGRAMA
CIRCUITO IMPLEMENTADO
FOTOGRAFÍA DE LA COMUNICACIÓN EN UN TERMINAL VIRTUAL HID
Esteban Arrieta Carlos Malla Alejandro Valencia Santiago Yánez
COMUNICACIÓN USB A través de la siguiente práctica ejemplifica la comunicación entre el pc y un microcontrolador pic 18f4550 usb. CÓDIGO Program usb dim k as byte dim userRD_buffer as byte[64] dim userWR_buffer as byte[64] sub procedure interrupt asm CALL _Hid_InterruptProc nop end asm end sub sub procedure Init_Main INTCON = 0 INTCON2 = $F5 INTCON3 = $C0 RCON.IPEN = 0 PIE1 = 0 PIE2 = 0 PIR1 = 0 PIR2 = 0 ADCON1 = ADCON1 or $0F TRISA = 0 TRISB = 0 TRISC = $FF TRISD = $FF TRISE = $07 LATA = 0 LATB = 0 LATC = 0 LATD = 0 LATE = 0 asm
LFSR FSR0, $000 MOVLW $08 CLRF POSTINC0, 0 CPFSEQ FSR0H, 0 BRA $ - 2 end asm T0CON = $07; TMR0H = (65536 - 156) >> 8 TMR0L = (65536 - 156) and $FF INTCON.T0IE = 1 ' Enable T0IE T0CON.TMR0ON = 1 end sub main: Init_Main() Hid_Enable(@userRD_buffer, @userWR_buffer) do for k = 0 to 255 userWR_buffer[0] = k Hid_Write(@userWR_buffer, 1) next k loop until FALSE Hid_Disable end.
DIAGRAMA
CIRCUITO IMPLEMENTADO
FOTOGRAFÍA DE LA COMUNICACIÓN EN UN TERMINAL VIRTUAL HID
