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nrf5/drivers: Updating ili9341 display object to use new framebuffer.

This commit is contained in:
Glenn Ruben Bakke 2017-01-15 22:47:30 +01:00
parent 535f44b8bf
commit 6ab233a5ba
1 changed files with 70 additions and 30 deletions
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100
nrf5/drivers/display/lcd_ili9341_obj.c
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@ -38,26 +38,34 @@
/// \moduleref display
/// \class ILI9341 - ILI9341 TFT LCD display driver.
#include "moddisplay.h"
#include "framebuffer.h"
#include "pin.h"
#include "spi.h"
#include "lcd_mono_fb.h"
typedef struct _lcd_ili9341_obj_t {
mp_obj_base_t base;
display_draw_callbacks_t draw_callbacks;
framebuffer_t * framebuffer;
machine_hard_spi_obj_t *spi;
pin_obj_t * pin_cs;
pin_obj_t * pin_dc;
mp_obj_framebuf_t * framebuffer;
} lcd_ili9341_obj_t;
static void dirty_line_update_cb(mp_obj_framebuf_t * p_framebuffer,
uint16_t line,
fb_byte_t * p_new,
fb_byte_t * p_old) {
// the lcd does not have double buffer needs, skip it.
(void)p_old;
#define LCD_ILI9341_COLOR_BLACK 0
#define LCD_ILI9341_COLOR_WHITE 1
driver_ili9341_update_line(line, p_new, p_framebuffer->bytes_stride, true);
static void set_pixel(void * p_display,
uint16_t x,
uint16_t y,
uint16_t color) {
lcd_ili9341_obj_t *self = (lcd_ili9341_obj_t *)p_display;
if (color == LCD_ILI9341_COLOR_BLACK) {
framebuffer_pixel_clear(self->framebuffer, x, y);
} else {
framebuffer_pixel_set(self->framebuffer, x, y);
}
}
/// \method __str__()
@ -80,9 +88,12 @@ STATIC void lcd_ili9341_print(const mp_print_t *print, mp_obj_t o, mp_print_kind
self->pin_dc->port,
self->pin_dc->pin);
mp_printf(print, " FB(width=%u, height=%u, dir=%u))\n",
self->framebuffer->width,
self->framebuffer->height);
mp_printf(print, " FB(width=%u, height=%u, dir=%u, fb_stride=%u, fb_dirty_stride=%u))\n",
self->framebuffer->screen_width,
self->framebuffer->screen_height,
self->framebuffer->line_orientation,
self->framebuffer->fb_stride,
self->framebuffer->fb_dirty_stride);
}
// for make_new
@ -145,6 +156,7 @@ STATIC mp_obj_t lcd_ili9341_make_new(const mp_obj_type_t *type, size_t n_args, s
lcd_ili9341_obj_t *s = m_new_obj_with_finaliser(lcd_ili9341_obj_t);
s->base.type = type;
s->draw_callbacks.pixel_set = set_pixel;
mp_int_t width;
mp_int_t height;
@ -184,15 +196,22 @@ STATIC mp_obj_t lcd_ili9341_make_new(const mp_obj_type_t *type, size_t n_args, s
"Display DC Pin not set"));
}
// direction arg not yet configurable
mp_int_t vertical = true;
s->framebuffer = lcd_mono_fb_helper_make_new(width, height, vertical);
framebuffer_init_t init_conf = {
.width = width,
.height = height,
.line_orientation = FRAMEBUFFER_LINE_DIR_HORIZONTAL,
.double_buffer = false
};
s->framebuffer = m_new(framebuffer_t, sizeof(framebuffer_t));
framebuffer_init(s->framebuffer, &init_conf);
driver_ili9341_init(s->spi->pyb->spi->instance, s->pin_cs, s->pin_dc);
// Default to white background
driver_ili9341_clear(0xFFFF);
driver_ili9341_clear(0x0000);
display_clear_screen(s->framebuffer, 0x1);
framebuffer_clear(s->framebuffer);
return MP_OBJ_FROM_PTR(s);
}
@ -204,18 +223,40 @@ STATIC mp_obj_t lcd_ili9341_make_new(const mp_obj_type_t *type, size_t n_args, s
STATIC mp_obj_t lcd_ili9341_fill(mp_obj_t self_in, mp_obj_t color) {
lcd_ili9341_obj_t *self = MP_OBJ_TO_PTR(self_in);
display_clear_screen(self->framebuffer, (uint8_t)mp_obj_get_int(color));
if (color == MP_OBJ_NEW_SMALL_INT(LCD_ILI9341_COLOR_BLACK)) {
framebuffer_clear(self->framebuffer);
} else {
framebuffer_fill(self->framebuffer);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(lcd_ili9341_fill_obj, lcd_ili9341_fill);
static void render(framebuffer_t * p_framebuffer) {
for (uint16_t i = 0; i < p_framebuffer->fb_dirty_stride; i++) {
if (p_framebuffer->fb_dirty[i].byte != 0) {
for (uint16_t b = 0; b < 8; b++) {
if ((((p_framebuffer->fb_dirty[i].byte >> b) & 0x01) == 1)) {
uint16_t line_num = (i * 8) + b;
driver_ili9341_update_line(line_num,
&p_framebuffer->fb_new[line_num * p_framebuffer->fb_stride],
p_framebuffer->fb_stride);
}
}
p_framebuffer->fb_dirty[i].byte = 0x00;
}
}
}
/// \method show()
/// Display content in framebuffer.
STATIC mp_obj_t lcd_ili9341_show(size_t n_args, const mp_obj_t *args) {
lcd_ili9341_obj_t *self = MP_OBJ_TO_PTR(args[0]);
display_update(self->framebuffer, false, dirty_line_update_cb);
render(self->framebuffer);
framebuffer_flip(self->framebuffer);
return mp_const_none;
}
@ -245,14 +286,9 @@ STATIC mp_obj_t lcd_ili9341_pixel(size_t n_args, const mp_obj_t *args) {
lcd_ili9341_obj_t *self = MP_OBJ_TO_PTR(args[0]);
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_int_t color;
if (n_args >= 3) {
color = mp_obj_get_int(args[3]);
}
(void)self;
(void)x;
(void)y;
(void)color;
mp_int_t color = mp_obj_get_int(args[3]);
set_pixel(self, x, y, color);
return mp_const_none;
}
@ -273,8 +309,12 @@ STATIC mp_obj_t lcd_ili9341_text(size_t n_args, const mp_obj_t *args) {
color = mp_obj_get_int(args[3]);
}
display_print_string(self->framebuffer, x, y, str);
// display_print_string(self->framebuffer, x, y, str);
(void)x;
(void)y;
(void)self;
(void)str;
(void)color;
return mp_const_none;
@ -299,8 +339,8 @@ STATIC const mp_map_elem_t lcd_ili9341_locals_dict_table[] = {
#if 0
{ MP_OBJ_NEW_QSTR(MP_QSTR_bitmap), (mp_obj_t)(&lcd_ili9341_bitmap_obj) },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_BLACK), MP_OBJ_NEW_SMALL_INT(LCD_BLACK) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_WHITE), MP_OBJ_NEW_SMALL_INT(LCD_WHITE) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_BLACK), MP_OBJ_NEW_SMALL_INT(LCD_ILI9341_COLOR_BLACK) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_WHITE), MP_OBJ_NEW_SMALL_INT(LCD_ILI9341_COLOR_WHITE) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_VERTICAL), MP_OBJ_NEW_SMALL_INT(0) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_HORIZONTAL), MP_OBJ_NEW_SMALL_INT(1) },
};