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BASCOM-AVR : new problem with I2C : REPLY

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Thanks for this reply ... I will try this ... regards For more information about my code: [code:1:805b693b93] '$sim $regfile = "m88pdef.dat" $crystal = 4000000 $hwstack = 35 $swstack = 40 $framesize = 50 $baud = 600 ' 19200 '======================================================== CONFIGURATION DE l'I2C =============================================================== $lib "i2c_twi.lbx" ' we do not use software emulated I2C but the TWI Config Scl = Portc.5 ' pull up on this pin 1K Config Sda = Portc.4 'pull up on this pin 1K Config Twi = 200000 I2cinit '------------------------------------------------------------------------------------------------------------------------------------------------- '=========================================================== CONFIGURATION DU PWM =============================================================== Config Timer0 = Pwm , Prescale = 1 , Compare A Pwm = Clear Up , Compare B Pwm = Clear Up Start Timer0 Config Timer1 = Pwm , Prescale = 1 , Compare A Pwm = Clear Up , Compare B Pwm = Clear Up Start Timer1 Config Timer2 = Pwm , Prescale = 1 , Compare A Pwm = Clear Up , Compare B Pwm = Clear Up Start Timer2 'Pwm0a = touche 1 'Pwm0b = touche 2 'Pwm1a = touche 3 'Pwm1b = touche 4 'Pwm2a = touche Haut 'Pwm2b = touche bas '========================================================== CONFIGURATION DES PORTS ======================================================================= Config Pinb.0 = Input Prox Alias Pinb.0 Config Portb.7 = Output Mosfet Alias Portb.7 Config Portc.1 = Output Led1_lisere Alias Portc.1 Config Portc.0 = Output Led2_lisere Alias Portc.0 Config Pinc.7 = Input Adc_batt Alias Pinc.7 '===================================================== CONFIGUATION DES VARIABLES ET CONSTANTES ====================================================== Dim A As Byte Dim Prox_isr_variable As Bit Dim Flag_prox_pwm As Bit Dim Valeur As Byte Dim Adress_byte As Byte Dim Valeur_byte As Byte '================================================ CONFIGURATION DE L'INTERRUPT =================================================================== Enable Interrupts Enable Pcint0 ' configuration de l'interrupt PCINT0 (portB.0) en mode falling avec un mask sur B.0 On Pcint0 Prox_isr Config Int0 = Change Pcmsk0 = &B00000001 '==================================================================================================================================================== Pwm1a = 50 Wait 1 pwm1a = 0 Main: 'Print "main" '( Print " Prox_isr_variable" ; Prox_isr_variable Select Case Prox_isr_variable Case 0: If Pwm0a > 0 Or Led1_lisere = 1 Or Led2_lisere = 1 Then Gosub Prox_detectee_out Case 1: If Pwm0a < 50 Or Led1_lisere = 0 Or Led2_lisere = 0 Then Gosub Prox_detectee End Select ') I2cstart I2cwbyte &H80 I2cwbyte &H35 I2cstart I2cwbyte &H81 I2crbyte Valeur_byte , Nack 'Waitms 2 I2cstop Waitms 5 Print "valeur= " ; Valeur_byte Goto Main Prox_isr: Print "interrupt" If Pinb.0 = 1 Then Prox_isr_variable = 0 Else Prox_isr_variable = 1 End If Return [/code:1:805b693b93] thanks everybody

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