451 lines
15 KiB
C
451 lines
15 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 <stdio.h>
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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 "epaper_sld00200p_driver.h"
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// For now PWM is only enabled for nrf52 targets.
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#if MICROPY_PY_DISPLAY_EPAPER_SLD00200P && NRF52
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/// \moduleref epaper
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/// \class sld00200p - SLD00200P E-paper shield.
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#include "pin.h"
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#include "spi.h"
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#include "pwm.h"
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#include "hal_spi.h"
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#include "hal_pwm.h"
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#include "lcd_mono_fb.h"
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typedef struct _epaper_sld00200p_obj_t {
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mp_obj_base_t base;
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machine_hard_spi_obj_t *spi;
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machine_hard_pwm_obj_t *pwm;
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pin_obj_t * pin_cs;
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pin_obj_t * pin_panel_on;
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pin_obj_t * pin_border;
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pin_obj_t * pin_busy;
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pin_obj_t * pin_reset;
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pin_obj_t * pin_discharge;
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#if 0
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pin_obj_t * pin_temp_sensor;
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#endif
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mp_obj_framebuf_t * framebuffer;
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} epaper_sld00200p_obj_t;
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static void dirty_line_update_cb(mp_obj_framebuf_t * p_framebuffer,
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uint16_t line,
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fb_byte_t * p_new,
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fb_byte_t * p_old) {
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driver_sld00200p_update_line(line, p_new, p_old, p_framebuffer->bytes_stride, true);
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}
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/// \method __str__()
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/// Return a string describing the SLD00200P object.
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STATIC void epaper_sld00200_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
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epaper_sld00200p_obj_t *self = o;
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mp_printf(print, "SLD00200(SPI(mosi=(port=%u, pin=%u), miso=(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,
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self->spi->pyb->spi->init.miso_pin_port,
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self->spi->pyb->spi->init.miso_pin,
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self->spi->pyb->spi->init.clk_pin_port,
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self->spi->pyb->spi->init.clk_pin
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);
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mp_printf(print, " PWM(pwm_pin=%u),\n",
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self->pwm->pyb->pwm->init.pwm_pin);
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mp_printf(print, " cs=(port=%u, pin=%u), panel_on=(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_panel_on->port,
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self->pin_panel_on->pin);
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mp_printf(print, " border=(port=%u, pin=%u), busy=(port=%u, pin=%u),\n",
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self->pin_border->port,
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self->pin_border->pin,
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self->pin_busy->port,
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self->pin_busy->pin);
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mp_printf(print, " reset=(port=%u, pin=%u), discharge=(port=%u, pin=%u),\n",
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self->pin_reset->port,
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self->pin_reset->pin,
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self->pin_discharge->port,
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self->pin_discharge->pin);
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mp_printf(print, " FB(width=%u, height=%u, dir=%u))\n",
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self->framebuffer->width,
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self->framebuffer->height);
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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_PWM,
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ARG_NEW_CS,
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ARG_NEW_PANEL_ON,
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ARG_NEW_BORDER,
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ARG_NEW_BUSY,
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ARG_NEW_RESET,
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ARG_NEW_DISCHARGE,
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ARG_NEW_TEMP_SENSOR,
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};
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/*
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from machine import Pin, SPI, PWM
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from display import SLD00200P
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reset = Pin("A17", mode=Pin.OUT, pull=Pin.PULL_UP)
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panel_on = Pin("A13", mode=Pin.OUT, pull=Pin.PULL_UP)
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discharge = Pin("A19", mode=Pin.OUT, pull=Pin.PULL_UP)
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border = Pin("A14", mode=Pin.OUT, pull=Pin.PULL_UP)
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busy = Pin("A18", mode=Pin.IN, pull=Pin.PULL_DISABLED)
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cs = Pin("A22", mode=Pin.OUT, pull=Pin.PULL_UP)
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spi = SPI(0, baudrate=8000000)
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pwm = PWM(0, Pin("A16", mode=Pin.OUT, pull=Pin.PULL_UP), freq=PWM.FREQ_250KHZ, duty=50, period=2)
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d = SLD00200P(264, 176, spi, pwm, cs, panel_on, border, busy, reset, discharge)
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d.text("Hello World!", 32, 32)
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d.show()
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Example for nrf52840 / pca10056:
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from machine import Pin, SPI, PWM
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from display import SLD00200P
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reset = Pin("B7", mode=Pin.OUT, pull=Pin.PULL_UP)
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panel_on = Pin("B3", mode=Pin.OUT, pull=Pin.PULL_UP)
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discharge = Pin("B9", mode=Pin.OUT, pull=Pin.PULL_UP)
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border = Pin("B4", mode=Pin.OUT, pull=Pin.PULL_UP)
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busy = Pin("B8", mode=Pin.IN, pull=Pin.PULL_DISABLED)
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cs = Pin("B12", mode=Pin.OUT, pull=Pin.PULL_UP)
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spi = SPI(0, baudrate=8000000)
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pwm = PWM(0, Pin("B6", mode=Pin.OUT, pull=Pin.PULL_UP), freq=PWM.FREQ_250KHZ, duty=50, period=2)
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d = SLD00200P(264, 176, spi, pwm, cs, panel_on, border, busy, reset, discharge)
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d.text("Hello World!", 32, 32)
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d.show()
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*/
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STATIC mp_obj_t epaper_sld00200p_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_PWM, 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_PANEL_ON, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_BORDER, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_BUSY, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_RESET, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ ARG_NEW_DISCHARGE, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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#if 0
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{ ARG_NEW_TEMP_SENSOR, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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#endif
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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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epaper_sld00200p_obj_t *s = m_new_obj_with_finaliser(epaper_sld00200p_obj_t);
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s->base.type = type;
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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_PWM].u_obj != MP_OBJ_NULL) {
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s->pwm = args[ARG_NEW_PWM].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 PWM 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_PANEL_ON].u_obj != MP_OBJ_NULL) {
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s->pin_panel_on = args[ARG_NEW_PANEL_ON].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 Panel-on Pin not set"));
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}
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if (args[ARG_NEW_BORDER].u_obj != MP_OBJ_NULL) {
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s->pin_border = args[ARG_NEW_BORDER].u_obj;
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printf("BORDER PIN %u\n", s->pin_border->pin);
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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 Border Pin not set"));
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}
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if (args[ARG_NEW_BUSY].u_obj != MP_OBJ_NULL) {
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s->pin_busy = args[ARG_NEW_BUSY].u_obj;
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printf("BUSY PIN %u\n", s->pin_busy->pin);
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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 Busy Pin not set"));
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}
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if (args[ARG_NEW_RESET].u_obj != MP_OBJ_NULL) {
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s->pin_reset = args[ARG_NEW_RESET].u_obj;
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printf("RESET PIN %u\n", s->pin_reset->pin);
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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 Reset Pin not set"));
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}
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if (args[ARG_NEW_DISCHARGE].u_obj != MP_OBJ_NULL) {
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s->pin_discharge = args[ARG_NEW_DISCHARGE].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 Reset Pin not set"));
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}
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#if 0
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if (args[ARG_NEW_TEMP_SENSOR].u_obj != MP_OBJ_NULL) {
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s->pin_temp_sensor = args[ARG_NEW_TEMP_SENSOR].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 Busy Pin not set)"));
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}
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#endif
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// direction arg not yet configurable
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mp_int_t vertical = false;
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s->framebuffer = lcd_mono_fb_helper_make_new(width, height, vertical);
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driver_sld00200p_init(s->spi->pyb->spi->instance,
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s->pwm->pyb->pwm->instance,
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s->pin_cs,
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s->pin_panel_on,
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s->pin_border,
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s->pin_busy,
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s->pin_reset,
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s->pin_discharge);
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// Default to white background
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driver_sld00200p_clear(0x00);
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display_clear_screen(s->framebuffer, 0x0);
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driver_sld00200p_deinit();
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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 epaper_sld00200p_fill(mp_obj_t self_in, mp_obj_t color) {
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epaper_sld00200p_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_2(epaper_sld00200p_fill_obj, epaper_sld00200p_fill);
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/// \method show([num_of_refresh])
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/// Display content in framebuffer.
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///
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/// - With no argument, no refresh is done.
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/// - With `num_of_refresh` given, the lines touched by previous update
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/// will be refreshed the given number of times. If no lines have been
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/// touched, no update will be performed. To force a refresh, call the
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/// refresh() method explicitly.
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STATIC mp_obj_t epaper_sld00200p_show(size_t n_args, const mp_obj_t *args) {
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epaper_sld00200p_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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mp_int_t num_of_refresh = 0;
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if (n_args > 1) {
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num_of_refresh = mp_obj_get_int(args[1]);
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}
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driver_sld00200p_reinit();
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display_update(self->framebuffer, false, dirty_line_update_cb);
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if (num_of_refresh > 0) {
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while (num_of_refresh > 0) {
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display_update(self->framebuffer, true, dirty_line_update_cb);
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num_of_refresh--;
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}
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}
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driver_sld00200p_deinit();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_show_obj, 1, 2, epaper_sld00200p_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 epaper_sld00200p_refresh(size_t n_args, const mp_obj_t *args) {
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epaper_sld00200p_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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mp_int_t num_of_refresh = 0;
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if (n_args > 1) {
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num_of_refresh = mp_obj_get_int(args[1]);
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}
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driver_sld00200p_reinit();
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if (num_of_refresh > 0) {
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while (num_of_refresh > 0) {
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display_update(self->framebuffer, true, dirty_line_update_cb);
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num_of_refresh--;
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}
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} else {
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// default to one refresh
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display_update(self->framebuffer, true, dirty_line_update_cb);
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}
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driver_sld00200p_deinit();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_refresh_obj, 1, 2, epaper_sld00200p_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 epaper_sld00200p_pixel(size_t n_args, const mp_obj_t *args) {
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epaper_sld00200p_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;
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if (n_args >= 3) {
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color = mp_obj_get_int(args[3]);
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}
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(void)self;
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(void)x;
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(void)y;
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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(epaper_sld00200p_pixel_obj, 3, 4, epaper_sld00200p_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 epaper_sld00200p_text(size_t n_args, const mp_obj_t *args) {
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epaper_sld00200p_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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(void)color;
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display_print_string(self->framebuffer, x, y, str);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_text_obj, 4, 5, epaper_sld00200p_text);
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STATIC mp_obj_t epaper_sld00200p_del(mp_obj_t self_in) {
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epaper_sld00200p_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(epaper_sld00200p_del_obj, epaper_sld00200p_del);
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STATIC const mp_rom_map_elem_t epaper_sld00200p_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&epaper_sld00200p_del_obj) },
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{ MP_ROM_QSTR(MP_QSTR_fill), MP_ROM_PTR(&epaper_sld00200p_fill_obj) },
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{ MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&epaper_sld00200p_show_obj) },
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{ MP_ROM_QSTR(MP_QSTR_refresh), MP_ROM_PTR(&epaper_sld00200p_refresh_obj) },
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{ MP_ROM_QSTR(MP_QSTR_text), MP_ROM_PTR(&epaper_sld00200p_text_obj) },
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{ MP_ROM_QSTR(MP_QSTR_pixel), MP_ROM_PTR(&epaper_sld00200p_pixel_obj) },
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#if 0
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{ MP_ROM_QSTR(MP_QSTR_bitmap), MP_ROM_PTR(&epaper_sld00200p_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_BLACK) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_COLOR_WHITE), MP_OBJ_NEW_SMALL_INT(LCD_WHITE) },
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};
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STATIC MP_DEFINE_CONST_DICT(epaper_sld00200p_locals_dict, epaper_sld00200p_locals_dict_table);
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const mp_obj_type_t epaper_sld00200p_type = {
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{ &mp_type_type },
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.name = MP_QSTR_SLD00200P,
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.print = epaper_sld00200_print,
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.make_new = epaper_sld00200p_make_new,
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.locals_dict = (mp_obj_t)&epaper_sld00200p_locals_dict
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};
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#endif // MICROPY_PY_DISPLAY_EPAPER_SLD00200P
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