driver_st7920_basic.c

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#include "driver_st7920_basic.h"
 
static st7920_handle_t gs_handle;        

uint8_t st7920_basic_init(void)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_ST7920_LINK_INIT(&gs_handle, st7920_handle_t);
    DRIVER_ST7920_LINK_CS_GPIO_INIT(&gs_handle, st7920_interface_cs_gpio_init);
    DRIVER_ST7920_LINK_CS_GPIO_DEINIT(&gs_handle, st7920_interface_cs_gpio_deinit);
    DRIVER_ST7920_LINK_CS_GPIO_WRITE(&gs_handle, st7920_interface_cs_gpio_write);
    DRIVER_ST7920_LINK_SCLK_GPIO_INIT(&gs_handle, st7920_interface_sclk_gpio_init);
    DRIVER_ST7920_LINK_SCLK_GPIO_DEINIT(&gs_handle, st7920_interface_sclk_gpio_deinit);
    DRIVER_ST7920_LINK_SCLK_GPIO_WRITE(&gs_handle, st7920_interface_sclk_gpio_write);
    DRIVER_ST7920_LINK_SID_GPIO_INIT(&gs_handle, st7920_interface_sid_gpio_init);
    DRIVER_ST7920_LINK_SID_GPIO_DEINIT(&gs_handle, st7920_interface_sid_gpio_deinit);
    DRIVER_ST7920_LINK_SID_GPIO_WRITE(&gs_handle, st7920_interface_sid_gpio_write);
    DRIVER_ST7920_LINK_DEBUG_PRINT(&gs_handle, st7920_interface_debug_print);
    DRIVER_ST7920_LINK_DELAY_MS(&gs_handle, st7920_interface_delay_ms);
    DRIVER_ST7920_LINK_DELAY_US(&gs_handle, st7920_interface_delay_us);
    
    /* st7920 init */
    res = st7920_init(&gs_handle);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: init failed.\n");
        
        return 1;
    }
    
    /* set basic function */
    res = st7920_set_function(&gs_handle, ST7920_BASIC_DEFAULT_BUS_BIT, ST7920_COMMAND_MODE_BASIC);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set function failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set entry mode */
    res = st7920_set_entry_mode(&gs_handle, ST7920_BASIC_DEFAULT_DISPLAY_SHIFT, ST7920_BASIC_DEFAULT_ADDRESS_COUNTER_MODE);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set entry mode failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set display shift mode */
    res = st7920_set_display_shift_mode(&gs_handle, ST7920_BASIC_DEFAULT_DISPLAY_SHIFT_MODE);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set display shift mode failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set cgram address */
    res = st7920_set_cgram_address(&gs_handle, 0x00);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set cgram address failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set ddram address */
    res = st7920_set_ddram_address(&gs_handle, 0x00);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set ddram address failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* display clear */
    res = st7920_display_clear(&gs_handle);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: display clear failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* return home */
    res = st7920_return_home(&gs_handle);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: return home failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set display control */
    res = st7920_set_display_control(&gs_handle, ST7920_BOOL_TRUE, ST7920_BOOL_FALSE, ST7920_BOOL_FALSE);
    if (res != 0)
    {
        st7920_interface_debug_print("st7920: set display control failed.\n");
        (void)st7920_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_deinit(void)
{
    /* deinit st7920 */
    if (st7920_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

uint8_t st7920_basic_display_on(void)
{
    uint8_t res;
    
    /* set basic function */
    res = st7920_set_function(&gs_handle, ST7920_BASIC_DEFAULT_BUS_BIT, ST7920_COMMAND_MODE_BASIC);
    if (res != 0)
    {
        return 1;
    }
    
    /* set display control */
    res = st7920_set_display_control(&gs_handle, ST7920_BOOL_TRUE, ST7920_BOOL_FALSE, ST7920_BOOL_FALSE);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_display_off(void)
{
    uint8_t res;
    
    /* set basic function */
    res = st7920_set_function(&gs_handle, ST7920_BASIC_DEFAULT_BUS_BIT, ST7920_COMMAND_MODE_BASIC);
    if (res != 0)
    {
        return 1;
    }
    
    /* set display control */
    res = st7920_set_display_control(&gs_handle, ST7920_BOOL_FALSE, ST7920_BOOL_FALSE, ST7920_BOOL_FALSE);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_clear(void)
{
    uint8_t res;
    
    /* display clear */
    res = st7920_display_clear(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_clear_string(void)
{
    uint8_t res;
    
    /* set basic function */
    res = st7920_set_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_BASIC);
    if (res != 0)
    {
        return 1;
    }
    
    /* display clear */
    res = st7920_display_clear(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_clear_image(void)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* display clear */
    res = st7920_display_clear(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_write_point(uint8_t x, uint8_t y, uint8_t data)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* write point */
    res = st7920_write_point(&gs_handle, x, y, data);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_read_point(uint8_t x, uint8_t y, uint8_t *data)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* read point */
    res = st7920_read_point(&gs_handle, x, y, (uint8_t *)data);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_string(uint8_t x, uint8_t y, char *str)
{
    uint8_t res;
    
    /* set basic function */
    res = st7920_set_function(&gs_handle, ST7920_BASIC_DEFAULT_BUS_BIT, ST7920_COMMAND_MODE_BASIC);
    if (res != 0)
    {
        return 1;
    }
    
    /* write string */
    res = st7920_write_string(&gs_handle, x, y, (char *)str);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_rect(int8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t color)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* fill a rect */
    res = st7920_fill_rect(&gs_handle, left, top, right, bottom, color);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_picture(int8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t *img)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* draw picture */
    res = st7920_draw_picture(&gs_handle, left, top, right, bottom, (uint8_t *)img);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t st7920_basic_compress_picture(int8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t *img)
{
    uint8_t res;
    
    /* set extended function */
    res = st7920_set_extended_function(&gs_handle, ST7920_INTERFACE_BUS_BIT_8, ST7920_COMMAND_MODE_EXTENDED, ST7920_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    /* draw picture */
    res = st7920_draw_compress_picture(&gs_handle, left, top, right, bottom, (uint8_t *)img);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}