dsp0401.h

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/*
 * Copyright (C) 2017 Inria
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <inttypes.h>
#include <stdint.h>
#include "periph/gpio.h"
#include "periph/pwm.h"
 
#ifdef __cplusplus
extern "C" {
#endif

enum {
    DSP0401_OK = 0,       
    DSP0401_ERR_CLK_GPIO, 
    DSP0401_ERR_SDI_GPIO, 
    DSP0401_ERR_LAT_GPIO, 
    DSP0401_ERR_PWM,      
};

typedef struct {
    gpio_t sdi;              
    gpio_t clk;              
    gpio_t lat;              
    pwm_t pwm;               
    uint8_t pwm_channel;     
    uint8_t brightness;      
    uint8_t module_count;    
} dsp0401_params_t;

typedef struct {
    dsp0401_params_t params; 
} dsp0401_t;

int dsp0401_init(dsp0401_t *dev, const dsp0401_params_t *params);

void dsp0401_display_text(const dsp0401_t *dev, char *text);

void dsp0401_clear_text(const dsp0401_t *dev);

void dsp0401_scroll_text(const dsp0401_t *dev, char *text, uint16_t delay);
 
#ifdef __cplusplus
}
#endif