int stm32_comp_setup(void)
{
static bool initialized = false;
struct comp_dev_s* comp = NULL;
int ret;
if (!initialized)
{
/* Get the comparator interface */
#ifdef CONFIG_STM32_COMP2
comp = stm32_compinitialize(2);
if (comp == NULL)
{
aerr("ERROR: Failed to get COMP%d interface\n", 2);
return -ENODEV;
}
#endif
#ifdef CONFIG_STM32_COMP4
comp = stm32_compinitialize(4);
if (comp == NULL)
{
aerr("ERROR: Failed to get COMP%d interface\n", 4);
return -ENODEV;
}
#endif
#ifdef CONFIG_STM32_COMP6
comp = stm32_compinitialize(6);
if (comp == NULL)
{
aerr("ERROR: Failed to get COMP%d interface\n", 6);
return -ENODEV;
}
#endif
/* Register the comparator character driver at /dev/comp0 */
ret = comp_register("/dev/comp0", comp);
if (ret < 0)
{
aerr("ERROR: comp_register failed: %d\n", ret);
return ret;
}
initialized = true;
}
return OK;
}
/** \brief Initializes selector component. */
static void sys_comp_selector_init(void)
{
comp_register(&comp_selector);
}
static void sys_comp_keyword_init(void)
{
comp_register(&comp_keyword);
}
