cx-chlcd/sources/creator_hd44780_direct.c

#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>

#include <cx/chlcd.h>

chlcd_error_t chlcd_hd44780_direct_create(
    chlcd_display_t *self,
    chlcd_hd44780_direct_connector_t *connector,
    chlcd_size_t width,
    chlcd_size_t height
) {
    if (connector == NULL) {
        return CHLCD_BAD_ARGUMENT;
    }

    if (width == 0 || height == 0) {
        return CHLCD_BAD_ARGUMENT;
    }

    self->width = width;
    self->height = height;
    self->sender = chlcd_hd44780_direct_sender;
    self->decoder = chlcd_hd44780_decoder;
    self->connector = (void *) connector;

    return CHLCD_SUCCESS;
}