393 lines
14 KiB
C
393 lines
14 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "genhdr/pins.h"
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#include "lcd_ls0xxb7dxxx_driver.h"
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#if MICROPY_PY_DISPLAY_LCD_LS0XXB7DXXX
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/// \moduleref display
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/// \class LS0XXB7DXXX - LS0XXB7DXXX TFT LCD display driver.
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#include "moddisplay.h"
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#include "framebuffer.h"
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#include "pin.h"
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#include "spi.h"
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typedef struct _lcd_ls0xxb7dxxx_obj_t {
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mp_obj_base_t base;
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display_draw_callbacks_t draw_callbacks;
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framebuffer_t * framebuffer;
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machine_hard_spi_obj_t *spi;
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pin_obj_t * pin_cs;
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pin_obj_t * pin_disp;
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pin_obj_t * pin_extcomin;
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pin_obj_t * pin_extmode;
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pin_obj_t * pin_power_control;
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pin_obj_t * pin_power_charge;
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} lcd_ls0xxb7dxxx_obj_t;
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#define LCD_LS0XXB7DXXX_COLOR_BLACK 0
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#define LCD_LS0XXB7DXXX_COLOR_WHITE 1
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static void set_pixel(void * p_display,
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uint16_t x,
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uint16_t y,
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uint16_t color) {
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lcd_ls0xxb7dxxx_obj_t *self = (lcd_ls0xxb7dxxx_obj_t *)p_display;
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if (color == LCD_LS0XXB7DXXX_COLOR_BLACK) {
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framebuffer_pixel_set(self->framebuffer, x, y);
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} else {
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framebuffer_pixel_clear(self->framebuffer, x, y);
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}
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}
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/// \method __str__()
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/// Return a string describing the LS0XXB7DXXX object.
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STATIC void lcd_ls0xxb7dxxx_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
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lcd_ls0xxb7dxxx_obj_t *self = o;
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mp_printf(print, "LS0XXB7DXXX(SPI(mosi=(port=%u, pin=%u), clk=(port=%u, pin=%u)),\n",
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self->spi->pyb->spi->init.mosi_pin->port,
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self->spi->pyb->spi->init.mosi_pin->pin,
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self->spi->pyb->spi->init.clk_pin->port,
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self->spi->pyb->spi->init.clk_pin->pin);
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mp_printf(print, " cs=(port=%u, pin=%u), disp=(port=%u, pin=%u), extcomin=(port=%u, pin=%u),\n",
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self->pin_cs->port,
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self->pin_cs->pin,
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self->pin_disp->port,
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self->pin_disp->pin,
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self->pin_extcomin->port,
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self->pin_extcomin->pin);
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mp_printf(print, " extmode=(port=%u, pin=%u), power_control=(port=%u, pin=%u), power_charge=(port=%u, pin=%u),\n",
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self->pin_extmode->port,
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self->pin_extmode->pin,
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self->pin_power_control->port,
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self->pin_power_control->pin,
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self->pin_power_charge->port,
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self->pin_power_charge->pin);
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mp_printf(print, " FB(width=%u, height=%u, dir=%u, fb_stride=%u, fb_dirty_stride=%u))\n",
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self->framebuffer->screen_width,
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self->framebuffer->screen_height,
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self->framebuffer->line_orientation,
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self->framebuffer->fb_stride,
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self->framebuffer->fb_dirty_stride);
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}
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// for make_new
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enum {
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ARG_NEW_WIDTH,
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ARG_NEW_HEIGHT,
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ARG_NEW_SPI,
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ARG_NEW_CS,
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ARG_NEW_DISP,
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ARG_NEW_EXTCOMIN,
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ARG_NEW_EXTMODE,
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ARG_NEW_POWER_CONTROL,
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ARG_NEW_POWER_CHARGE
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};
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/*
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Example for nrf52840 / pca10056:
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from machine import Pin, SPI
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from display import LS0XXB7DXXX
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import draw
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cs = Pin("B3", mode=Pin.OUT, pull=Pin.PULL_UP)
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disp = Pin("B4", mode=Pin.OUT, pull=Pin.PULL_UP)
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extcomin = Pin("A28", mode=Pin.OUT, pull=Pin.PULL_UP)
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extmode = Pin("B5", mode=Pin.OUT, pull=Pin.PULL_UP)
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power_control = Pin("A29", mode=Pin.OUT, pull=Pin.PULL_UP)
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power_charge = Pin("A30", mode=Pin.OUT, pull=Pin.PULL_UP)
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spi = SPI(0, baudrate=2000000, firstbit=SPI.LSB)
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d = LS0XXB7DXXX(400, 240, spi, cs, disp, extcomin, extmode, power_control, power_charge)
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draw.text(d, "Hello World!", 32, 32)
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d.show()
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*/
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STATIC mp_obj_t lcd_ls0xxb7dxxx_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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static const mp_arg_t allowed_args[] = {
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{ ARG_NEW_WIDTH, MP_ARG_REQUIRED | MP_ARG_INT },
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{ ARG_NEW_HEIGHT, MP_ARG_REQUIRED | MP_ARG_INT },
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{ ARG_NEW_SPI, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_CS, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_DISP, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_EXTCOMIN, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_EXTMODE, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_POWER_CONTROL, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_POWER_CHARGE, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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lcd_ls0xxb7dxxx_obj_t *s = m_new_obj_with_finaliser(lcd_ls0xxb7dxxx_obj_t);
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s->base.type = type;
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s->draw_callbacks.pixel_set = set_pixel;
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mp_int_t width;
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mp_int_t height;
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if (args[ARG_NEW_WIDTH].u_int > 0) {
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width = args[ARG_NEW_WIDTH].u_int;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display width not set"));
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}
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if (args[ARG_NEW_HEIGHT].u_int > 0) {
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height = args[ARG_NEW_HEIGHT].u_int;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display height not set"));
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}
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if (args[ARG_NEW_SPI].u_obj != MP_OBJ_NULL) {
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s->spi = args[ARG_NEW_SPI].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display SPI not set"));
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}
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if (args[ARG_NEW_CS].u_obj != MP_OBJ_NULL) {
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s->pin_cs = args[ARG_NEW_CS].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display CS Pin not set"));
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}
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if (args[ARG_NEW_DISP].u_obj != MP_OBJ_NULL) {
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s->pin_disp = args[ARG_NEW_DISP].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display Disp Pin not set"));
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}
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if (args[ARG_NEW_EXTCOMIN].u_obj != MP_OBJ_NULL) {
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s->pin_extcomin = args[ARG_NEW_EXTCOMIN].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display ExtComIn Pin not set"));
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}
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if (args[ARG_NEW_EXTMODE].u_obj != MP_OBJ_NULL) {
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s->pin_extmode = args[ARG_NEW_EXTMODE].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display ExtMode Pin not set"));
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}
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if (args[ARG_NEW_POWER_CONTROL].u_obj != MP_OBJ_NULL) {
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s->pin_power_control = args[ARG_NEW_POWER_CONTROL].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display PowerControl Pin not set"));
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}
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if (args[ARG_NEW_POWER_CHARGE].u_obj != MP_OBJ_NULL) {
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s->pin_power_charge = args[ARG_NEW_POWER_CHARGE].u_obj;
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"Display PowerCharge Pin not set"));
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}
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framebuffer_init_t init_conf = {
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.width = width,
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.height = height,
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.line_orientation = FRAMEBUFFER_LINE_DIR_HORIZONTAL,
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.double_buffer = false
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};
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s->framebuffer = m_new(framebuffer_t, sizeof(framebuffer_t));
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framebuffer_init(s->framebuffer, &init_conf);
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driver_ls0xxb7dxxx_init(s->spi->pyb->spi->instance,
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s->pin_cs,
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s->pin_disp,
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s->pin_extcomin,
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s->pin_extmode,
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s->pin_power_control,
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s->pin_power_charge);
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// Default to black background
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driver_ls0xxb7dxxx_clear(0x00);
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framebuffer_clear(s->framebuffer);
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return MP_OBJ_FROM_PTR(s);
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}
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// text
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/// \method fill(color)
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/// Fill framebuffer with the color defined as argument.
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STATIC mp_obj_t lcd_ls0xxb7dxxx_fill(mp_obj_t self_in, mp_obj_t color) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(self_in);
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if (color == MP_OBJ_NEW_SMALL_INT(LCD_LS0XXB7DXXX_COLOR_BLACK)) {
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framebuffer_fill(self->framebuffer);
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} else {
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framebuffer_clear(self->framebuffer);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(lcd_ls0xxb7dxxx_fill_obj, lcd_ls0xxb7dxxx_fill);
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static void render(framebuffer_t * p_framebuffer) {
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for (uint16_t i = 0; i < p_framebuffer->fb_dirty_stride; i++) {
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if (p_framebuffer->fb_dirty[i].byte != 0) {
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for (uint16_t b = 0; b < 8; b++) {
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if ((((p_framebuffer->fb_dirty[i].byte >> b) & 0x01) == 1)) {
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uint16_t line_num = (i * 8) + b;
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driver_ls0xxb7dxxx_update_line(line_num,
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&p_framebuffer->fb_new[line_num * p_framebuffer->fb_stride],
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p_framebuffer->fb_stride);
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}
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}
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p_framebuffer->fb_dirty[i].byte = 0x00;
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}
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}
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}
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/// \method show()
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/// Display content in framebuffer.
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STATIC mp_obj_t lcd_ls0xxb7dxxx_show(size_t n_args, const mp_obj_t *args) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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render(self->framebuffer);
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framebuffer_flip(self->framebuffer);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lcd_ls0xxb7dxxx_show_obj, 1, 2, lcd_ls0xxb7dxxx_show);
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/// \method refresh([num_of_refresh])
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/// Refresh content in framebuffer.
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///
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/// - With no argument, 1 refresh will be done.
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/// - With `num_of_refresh` given, The whole framebuffer will be considered
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/// dirty and will be refreshed the given number of times.
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STATIC mp_obj_t lcd_ls0xxb7dxxx_refresh(mp_obj_t self_in) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(self_in);
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(void)self;
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(lcd_ls0xxb7dxxx_refresh_obj, lcd_ls0xxb7dxxx_refresh);
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/// \method pixel(x, y, [color])
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/// Write one pixel in framebuffer.
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///
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/// - With no argument, the color of the pixel in framebuffer will be returend.
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/// - With `color` given, sets the pixel to the color given.
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STATIC mp_obj_t lcd_ls0xxb7dxxx_pixel(size_t n_args, const mp_obj_t *args) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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mp_int_t x = mp_obj_get_int(args[1]);
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mp_int_t y = mp_obj_get_int(args[2]);
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mp_int_t color = mp_obj_get_int(args[3]);
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set_pixel(self, x, y, color);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lcd_ls0xxb7dxxx_pixel_obj, 4, 4, lcd_ls0xxb7dxxx_pixel);
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/// \method pixel(text, x, y, [color])
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/// Write one pixel in framebuffer.
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///
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/// - With no argument, the color will be the opposite of background (fill color).
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/// - With `color` given, sets the pixel to the color given.
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STATIC mp_obj_t lcd_ls0xxb7dxxx_text(size_t n_args, const mp_obj_t *args) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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const char *str = mp_obj_str_get_str(args[1]);
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mp_int_t x = mp_obj_get_int(args[2]);
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mp_int_t y = mp_obj_get_int(args[3]);
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mp_int_t color;
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if (n_args >= 4) {
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color = mp_obj_get_int(args[3]);
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}
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//display_print_string(self->framebuffer, x, y, str);
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(void)x;
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(void)y;
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(void)self;
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(void)str;
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(void)color;
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lcd_ls0xxb7dxxx_text_obj, 4, 5, lcd_ls0xxb7dxxx_text);
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STATIC mp_obj_t lcd_ls0xxb7dxxx_del(mp_obj_t self_in) {
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lcd_ls0xxb7dxxx_obj_t *self = MP_OBJ_TO_PTR(self_in);
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(void)self;
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(lcd_ls0xxb7dxxx_del_obj, lcd_ls0xxb7dxxx_del);
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STATIC const mp_map_elem_t lcd_ls0xxb7dxxx_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___del__), (mp_obj_t)(&lcd_ls0xxb7dxxx_del_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_fill), (mp_obj_t)(&lcd_ls0xxb7dxxx_fill_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_show), (mp_obj_t)(&lcd_ls0xxb7dxxx_show_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_text), (mp_obj_t)(&lcd_ls0xxb7dxxx_text_obj) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_pixel), (mp_obj_t)(&lcd_ls0xxb7dxxx_pixel_obj) },
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#if 0
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{ MP_OBJ_NEW_QSTR(MP_QSTR_bitmap), (mp_obj_t)(&lcd_ls0xxb7dxxx_bitmap_obj) },
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#endif
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_BLACK), MP_OBJ_NEW_SMALL_INT(LCD_LS0XXB7DXXX_COLOR_BLACK) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_WHITE), MP_OBJ_NEW_SMALL_INT(LCD_LS0XXB7DXXX_COLOR_WHITE) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_VERTICAL), MP_OBJ_NEW_SMALL_INT(0) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_HORIZONTAL), MP_OBJ_NEW_SMALL_INT(1) },
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};
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STATIC MP_DEFINE_CONST_DICT(lcd_ls0xxb7dxxx_locals_dict, lcd_ls0xxb7dxxx_locals_dict_table);
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const mp_obj_type_t lcd_ls0xxb7dxxx_type = {
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{ &mp_type_type },
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.name = MP_QSTR_LS0XXB7DXXX,
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.print = lcd_ls0xxb7dxxx_print,
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.make_new = lcd_ls0xxb7dxxx_make_new,
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.locals_dict = (mp_obj_t)&lcd_ls0xxb7dxxx_locals_dict
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};
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#endif // MICROPY_PY_DISPLAY_LCD_LS0XXB7DXXX
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