Revision cf1f756b source/alld_tlc5947.c

View differences:

source/alld_tlc5947.c
32 32 
  apalDbgAssert(tlc5947 != NULL);
33 33 

  		




  34
  34
  
    
  // set the output value of the GPIO pin depending on the activation property


  		




  35
  
  
    
  return apalControlGpioSet(&tlc5947->blank_gpio, blank == TLC5947_LLD_BLANK_ENABLE ? APAL_GPIO_ON : APAL_GPIO_OFF);


  		




  
  35
  
    
  return apalControlGpioSet(tlc5947->blank_gpio, blank == TLC5947_LLD_BLANK_ENABLE ? APAL_GPIO_ON : APAL_GPIO_OFF);


  		




  36
  36
  
    
}


  		




  37
  37
  
    

  		




  38
  38
  
    
/**


  		




  ......




  48
  48
  
    
  apalDbgAssert(blank != NULL);


  		




  49
  49
  
    

  		




  50
  50
  
    
  apalControlGpioState_t gpio_state;


  		




  51
  
  
    
  apalExitStatus_t status = apalControlGpioGet(&tlc5947->blank_gpio, &gpio_state);


  		




  
  51
  
    
  apalExitStatus_t status = apalControlGpioGet(tlc5947->blank_gpio, &gpio_state);


  		




  52
  52
  
    
  *blank = gpio_state == APAL_GPIO_ON ? TLC5947_LLD_BLANK_ENABLE : TLC5947_LLD_BLANK_DISABLE;


  		




  53
  53
  
    
  return status;


  		




  54
  54
  
    
}


  		




  ......




  63
  63
  
    
{


  		




  64
  64
  
    
  apalDbgAssert(tlc5947 != NULL);


  		




  65
  65
  
    

  		




  66
  
  
    
  apalExitStatus_t status = apalControlGpioSet(&tlc5947->xlat_gpio, APAL_GPIO_ON);


  		




  
  66
  
    
  apalExitStatus_t status = apalControlGpioSet(tlc5947->xlat_gpio, APAL_GPIO_ON);


  		




  67
  67
  
    
  // The XLAT signal has to be active for at least 30 ns.


  		




  68
  68
  
    
  // It is assumed that that these function calls satisfy this requirement even without explicit delay.


  		




  69
  
  
    
  if (apalControlGpioSet(&tlc5947->xlat_gpio, APAL_GPIO_OFF) == APAL_STATUS_OK && status == APAL_STATUS_OK) {


  		




  
  69
  
    
  if (apalControlGpioSet(tlc5947->xlat_gpio, APAL_GPIO_OFF) == APAL_STATUS_OK && status == APAL_STATUS_OK) {


  		




  70
  70
  
    
    return APAL_STATUS_OK;


  		




  71
  71
  
    
  } else {


  		




  72
  72
  
    
    return APAL_STATUS_ERROR;


  		












Also available in:  Unified diff