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nrf5/drivers: Backing up working epaper display (sld00200p shield) driver before refactoring.

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This commit is contained in:
Glenn Ruben Bakke 2017-01-07 00:07:17 +01:00
parent a2e2f3c07e
commit 9214381671
3 changed files with 673 additions and 15 deletions
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414
nrf5/drivers/display/epaper_sld00200p_driver.c
View File

@ -28,6 +28,420 @@
#if MICROPY_PY_DISPLAY_EPAPER_SLD00200P
#include "py/mphal.h"
#include "epaper_sld00200p_driver.h"
#include "hal_spi.h"
#include "hal_time.h"
#define BYTE_ARRAY(...) ((uint8_t[]){ __VA_ARGS__})
#define DATA_WRITE(...) (data_write_buffer(BYTE_ARRAY(__VA_ARGS__), sizeof(BYTE_ARRAY(__VA_ARGS__))))
static NRF_SPI_Type * mp_spi_instance;
static NRF_PWM_Type * mp_pwm_instance;
static pin_obj_t * mp_pin_cs;
static pin_obj_t * mp_pin_panel_on;
static pin_obj_t * mp_pin_border;
static pin_obj_t * mp_pin_busy;
static pin_obj_t * mp_pin_reset;
static pin_obj_t * mp_pin_discharge;
#if 0
static pin_obj_t * mp_pin_temp_sensor;
#endif
static void wait_for_busy_release(void) {
while (mp_hal_pin_read(mp_pin_busy) == 1) {
;
}
}
static void data_write_buffer(uint8_t * p_bytes, uint16_t num_of_bytes) {
mp_hal_pin_low(mp_pin_cs);
hal_spi_master_tx_rx(mp_spi_instance, num_of_bytes, p_bytes, NULL);
mp_hal_pin_high(mp_pin_cs);
}
static void raw_write(uint8_t value)
{
hal_spi_master_tx_rx(mp_spi_instance, 1, &value, NULL);
}
void driver_sld00200p_init(NRF_SPI_Type * p_spi_instance,
NRF_PWM_Type * p_pwm_instance,
pin_obj_t * p_pin_cs,
pin_obj_t * p_pin_panel_on,
pin_obj_t * p_pin_border,
pin_obj_t * p_pin_busy,
pin_obj_t * p_pin_reset,
pin_obj_t * p_pin_discharge) {
mp_spi_instance = p_spi_instance;
mp_pwm_instance = p_pwm_instance;
mp_pin_cs = p_pin_cs;
mp_pin_panel_on = p_pin_panel_on;
mp_pin_border = p_pin_border;
mp_pin_busy = p_pin_busy;
mp_pin_reset = p_pin_reset;
mp_pin_discharge = p_pin_discharge;
driver_sld00200p_reinit();
}
void driver_sld00200p_reinit(void) {
mp_hal_pin_low(mp_pin_reset);
mp_hal_pin_low(mp_pin_panel_on);
mp_hal_pin_low(mp_pin_discharge);
mp_hal_pin_low(mp_pin_border);
// start the pwm
hal_pwm_start(mp_pwm_instance);
mp_hal_delay_ms(5);
mp_hal_pin_high(mp_pin_panel_on);
mp_hal_delay_ms(10);
mp_hal_pin_high(mp_pin_reset);
mp_hal_pin_high(mp_pin_border);
mp_hal_pin_high(mp_pin_cs);
// make reset square wave
mp_hal_delay_ms(5);
mp_hal_pin_low(mp_pin_reset);
mp_hal_delay_ms(5);
mp_hal_pin_high(mp_pin_reset);
mp_hal_delay_ms(5);
wait_for_busy_release();
// channel select
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x01);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xfe, 0x00, 0x00);
// DC/DC frequency
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x06);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xfe, 0x00, 0x00);
// high power mode osc
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x07);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x9d);
// disable ADC
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x08);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00);
// Vcom level
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x09);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0xd0, 0x00);
// gate and source voltage levels
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x04);
// GS
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00);
mp_hal_delay_ms(5);
// driver latch on
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x03);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x01);
// driver latch off
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x03);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00);
mp_hal_delay_ms(5);
// charge pump positive voltage on
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x01);
// final delay before PWM off
mp_hal_delay_us(30);
// stop the pwm
hal_pwm_start(mp_pwm_instance);
// charge pump negative voltage on
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x03);
mp_hal_delay_us(30);
// Vcom driver on
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x0f);
mp_hal_delay_ms(30);
// output enable to disable
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x02);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x24);
}
void driver_sld00200p_deinit(void) {
epaper_sld00200p_line(0x7fffu, 0, 0x55, EPD_NORM);
mp_hal_delay_ms(25);
mp_hal_pin_low(mp_pin_border);
mp_hal_delay_ms(250);
mp_hal_pin_high(mp_pin_border);
// latch reset turn on
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x03);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x01);
// output enable off
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x02);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x05);
// Vcom power off
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x0e);
// power off negative charge pump
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x02);
// discharge
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x04);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x0c);
mp_hal_delay_us(120);
// all charge pumps off
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x05);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00);
// turn of osc
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x07);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x0d);
// discharge internal - 1
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x04);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x50);
mp_hal_delay_us(40);
// discharge internal - 2
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x04);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0xA0);
mp_hal_delay_us(40);
// discharge internal - 3
mp_hal_delay_us(10);
DATA_WRITE(0x70, 0x04);
mp_hal_delay_us(10);
DATA_WRITE(0x72, 0x00);
// turn of power and all signals
mp_hal_delay_ms(10);
mp_hal_pin_low(mp_pin_reset);
mp_hal_pin_low(mp_pin_panel_on);
mp_hal_pin_low(mp_pin_border);
// discharge pulse
mp_hal_pin_high(mp_pin_discharge);
mp_hal_delay_us(250);
mp_hal_pin_low(mp_pin_discharge);
mp_hal_pin_high(mp_pin_cs);
}
static void epaper_sld00200p_line(uint16_t line, const uint8_t * data, uint8_t fixed_value, epd_stage_t stage)
{
mp_hal_delay_ms(10);
DATA_WRITE(0x70, 0x04);
wait_for_busy_release();
// gate source
DATA_WRITE(0x72, 0x00);
wait_for_busy_release();
DATA_WRITE(0x70, 0x0a);
wait_for_busy_release();
mp_hal_pin_low(mp_pin_cs);
raw_write(0x72);
wait_for_busy_release();
uint16_t bytes_per_line = 264 / 8;
// even pixels
for (uint16_t i = bytes_per_line; i > 0; --i) {
if (data != NULL) {
uint8_t pixels = data[i - 1] & 0xaa;
switch (stage) {
case EPD_COMP:
// B -> W, W -> B (current image)
pixels = 0xaa | ((pixels ^ 0xaa) >> 1);
break;
case EPD_WHITE:
// B -> N, W -> W (current image)
pixels = 0x55 + ((pixels ^ 0xaa) >> 1);
break;
case EPD_INV:
// B -> N, W -> B (new image)
pixels = 0x55 | (pixels ^ 0xaa);
break;
case EPD_NORM:
// B -> B, W -> W (new image)
pixels = 0xaa | (pixels >> 1);
break;
default:
break;
}
raw_write(pixels);
wait_for_busy_release();
} else {
raw_write(fixed_value);
wait_for_busy_release();
}
}
uint16_t bytes_per_scan = 176 / 4;
// scan line
for (uint16_t i = 0; i < bytes_per_scan; i++) {
if (line / 4 == i) {
raw_write(0xc0 >> (2 * (line & 0x03)));
wait_for_busy_release();
} else {
raw_write(0x00);
wait_for_busy_release();
}
}
// odd pixels
for (uint16_t i = 0; i < bytes_per_line; i++) {
if (data != NULL) {
uint8_t pixels;
pixels = data[i] & 0x55;
switch (stage) {
case EPD_COMP:
pixels = 0xaa | (pixels ^ 0x55);
break;
case EPD_WHITE:
pixels = 0x55 + (pixels ^ 0x55);
break;
case EPD_INV:
pixels = 0x55 | ((pixels ^ 0x55) << 1);
break;
case EPD_NORM:
pixels = 0xaa | pixels;
break;
default:
break;
}
uint8_t p1 = (pixels >> 6) & 0x03;
uint8_t p2 = (pixels >> 4) & 0x03;
uint8_t p3 = (pixels >> 2) & 0x03;
uint8_t p4 = (pixels >> 0) & 0x03;
pixels = (p1 << 0) | (p2 << 2) | (p3 << 4) | (p4 << 6);
raw_write(pixels);
wait_for_busy_release();
} else {
raw_write(fixed_value);
wait_for_busy_release();
}
}
// Complete line
raw_write(0x00);
wait_for_busy_release();
mp_hal_pin_high(mp_pin_cs);
wait_for_busy_release();
DATA_WRITE(0x70, 0x02);
wait_for_busy_release();
DATA_WRITE(0x72, 0x2f);
}
void driver_sld00200p_clear(uint16_t color) {
uint16_t line_count = 176;
for (uint16_t i = 0; i < line_count; i++) {
epaper_sld00200p_line(i, NULL, 0xFF, EPD_COMP);
}
mp_hal_delay_ms(100);
for (uint16_t i = 0; i < line_count; i++) {
epaper_sld00200p_line(i, NULL, 0xAA, EPD_WHITE);
}
mp_hal_delay_ms(100);
for (uint16_t i = 0; i < line_count; i++) {
epaper_sld00200p_line(i, NULL, 0xFF, EPD_INV);
}
mp_hal_delay_ms(100);
for (uint16_t i = 0; i < line_count; i++) {
epaper_sld00200p_line(i, NULL, 0xAA, EPD_NORM);
}
mp_hal_delay_ms(100);
}
void driver_sld00200p_update_line(uint16_t line, fb_byte_t * p_bytes, fb_byte_t * p_old, uint16_t len, bool compressed) {
epaper_sld00200p_line(line, (uint8_t *)p_old, 0x00, EPD_COMP);
epaper_sld00200p_line(line, (uint8_t *)p_old, 0xAA, EPD_WHITE);
epaper_sld00200p_line(line, (uint8_t *)p_bytes, 0xAA, EPD_INV);
epaper_sld00200p_line(line, (uint8_t *)p_bytes, 0xFF, EPD_NORM);
}
#endif

23
nrf5/drivers/display/epaper_sld00200p_driver.h
View File

@ -27,6 +27,12 @@
#ifndef EPAPER_SLD00200P_DRIVER_H__
#define EPAPER_SLD00200P_DRIVER_H__
#include "py/mphal.h"
#include "hal_spi.h"
#include "hal_pwm.h"
#include "lcd_mono_fb.h"
typedef enum
{
EPD_COMP,
@ -35,4 +41,21 @@ typedef enum
EPD_NORM
} epd_stage_t;
void driver_sld00200p_init(NRF_SPI_Type * p_spi_instance,
NRF_PWM_Type * p_pwm_instance,
pin_obj_t * p_pin_cs,
pin_obj_t * p_pin_panel_on,
pin_obj_t * p_pin_border,
pin_obj_t * p_pin_busy,
pin_obj_t * p_pin_reset,
pin_obj_t * p_pin_discharge);
void driver_sld00200p_reinit(void);
void driver_sld00200p_deinit(void);
void driver_sld00200p_clear(uint16_t color);
void driver_sld00200p_update_line(uint16_t line, fb_byte_t * p_bytes, fb_byte_t * p_old, uint16_t len, bool compressed);
#endif // EPAPER_SLD00200P_DRIVER_H__

251
nrf5/drivers/display/epaper_sld00200p_obj.c
View File

@ -24,8 +24,14 @@
* THE SOFTWARE.
*/
#include <stdio.h>
#include "py/obj.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "genhdr/pins.h"
#include "epaper_sld00200p_driver.h"
// For now PWM is only enabled for nrf52 targets.
#if MICROPY_PY_DISPLAY_EPAPER_SLD00200P && NRF52
@ -33,37 +39,118 @@
/// \moduleref epaper
/// \class sld00200p - SLD00200P E-paper shield.
#include "pin.h"
#include "spi.h"
#include "pwm.h"
#include "hal_spi.h"
#include "hal_pwm.h"
#include "lcd_mono_fb.h"
typedef struct _epaper_sld00200p_obj_t {
mp_obj_base_t base;
SPI_HandleTypeDef *spi;
PWM_HandleTypeDef *pwm;
machine_hard_spi_obj_t *spi;
machine_hard_pwm_obj_t *pwm;
pin_obj_t * pin_cs;
pin_obj_t * pin_panel_on;
pin_obj_t * pin_border;
pin_obj_t * pin_busy;
pin_obj_t * pin_reset;
pin_obj_t * pin_discharge;
#if 0
pin_obj_t * pin_temp_sensor;
#endif
mp_obj_framebuf_t * framebuffer;
} epaper_sld00200p_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) {
driver_sld00200p_update_line(line, p_new, p_old, p_framebuffer->bytes_stride, true);
}
/// \method __str__()
/// Return a string describing the SLD00200P object.
STATIC void epaper_sld00200_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
epaper_sld00200p_obj_t *self = o;
mp_printf(print, "ILI9341(SPI(mosi=%u, miso=%u, clk=%u),\n",
self->spi->pyb->spi->init.mosi_pin,
self->spi->pyb->spi->init.miso_pin,
self->spi->pyb->spi->init.clk_pin);
mp_printf(print, " PWM(pwm_pin=%u),\n",
self->pwm->pyb->pwm->init.pwm_pin);
mp_printf(print, " cs=(port=%u, pin=%u), panel_on=(port=%u, pin=%u),\n",
self->pin_cs->port,
self->pin_cs->pin,
self->pin_panel_on->port,
self->pin_panel_on->pin);
mp_printf(print, " border=(port=%u, pin=%u), busy=(port=%u, pin=%u),\n",
self->pin_border->port,
self->pin_border->pin,
self->pin_busy->port,
self->pin_busy->pin);
mp_printf(print, " reset=(port=%u, pin=%u), discharge=(port=%u, pin=%u),\n",
self->pin_reset->port,
self->pin_reset->pin,
self->pin_discharge->port,
self->pin_discharge->pin);
mp_printf(print, " FB(width=%u, height=%u, dir=%u))\n",
self->framebuffer->width,
self->framebuffer->height);
}
// for make_new
enum {
ARG_NEW_WIDTH,
ARG_NEW_HEIGHT,
ARG_NEW_SPI,
ARG_NEW_CS,
ARG_NEW_PWM,
ARG_NEW_CS,
ARG_NEW_PANEL_ON,
ARG_NEW_BORDER,
ARG_NEW_RESET,
ARG_NEW_BUSY,
ARG_NEW_RESET,
ARG_NEW_DISCHARGE,
ARG_NEW_TEMP_SENSOR,
};
/*
from machine import Pin, SPI, PWM
from display import SLD00200P
cs = Pin("A16", mode=Pin.OUT, pull=Pin.PULL_UP)
reset = Pin("A17", mode=Pin.OUT, pull=Pin.PULL_UP)
panel_on = Pin("A13", mode=Pin.OUT, pull=Pin.PULL_UP)
discharge = Pin("A19", mode=Pin.OUT, pull=Pin.PULL_UP)
border = Pin("A14", mode=Pin.OUT, pull=Pin.PULL_UP)
busy = Pin("A18", mode=Pin.IN, pull=Pin.PULL_DISABLED)
cs = Pin("A22", mode=Pin.OUT, pull=Pin.PULL_UP)
spi = SPI(0, baudrate=8000000)
pwm = PWM(0, Pin("A16", mode=Pin.OUT), freq=PWM.FREQ_250KHZ, duty=50, period=2)
d = SLD00200P(264, 176, spi, pwm, cs, panel_on, border, busy, reset, discharge)
d.text("Hello World!", 32, 32)
d.show()
*/
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) {
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_id, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_SMALL_INT(-1)} },
{ ARG_NEW_WIDTH, MP_ARG_REQUIRED | MP_ARG_INT },
{ ARG_NEW_HEIGHT, MP_ARG_REQUIRED | MP_ARG_INT },
{ ARG_NEW_SPI, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_PWM, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_CS, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_PANEL_ON, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_BORDER, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_BUSY, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_RESET, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ ARG_NEW_DISCHARGE, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
#if 0
{ ARG_NEW_TEMP_SENSOR, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
#endif
};
// parse args
@ -71,6 +158,113 @@ STATIC mp_obj_t epaper_sld00200p_make_new(const mp_obj_type_t *type, size_t n_ar
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
epaper_sld00200p_obj_t *s = m_new_obj_with_finaliser(epaper_sld00200p_obj_t);
s->base.type = type;
mp_int_t width;
mp_int_t height;
if (args[ARG_NEW_WIDTH].u_int > 0) {
width = args[ARG_NEW_WIDTH].u_int;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display width not set"));
}
if (args[ARG_NEW_HEIGHT].u_int > 0) {
height = args[ARG_NEW_HEIGHT].u_int;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display height not set"));
}
if (args[ARG_NEW_SPI].u_obj != MP_OBJ_NULL) {
s->spi = args[ARG_NEW_SPI].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display SPI not set"));
}
if (args[ARG_NEW_PWM].u_obj != MP_OBJ_NULL) {
s->pwm = args[ARG_NEW_PWM].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display PWM not set"));
}
if (args[ARG_NEW_CS].u_obj != MP_OBJ_NULL) {
s->pin_cs = args[ARG_NEW_CS].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display CS Pin not set"));
}
if (args[ARG_NEW_PANEL_ON].u_obj != MP_OBJ_NULL) {
s->pin_panel_on = args[ARG_NEW_PANEL_ON].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Panel-on Pin not set"));
}
if (args[ARG_NEW_BORDER].u_obj != MP_OBJ_NULL) {
s->pin_border = args[ARG_NEW_BORDER].u_obj;
printf("BORDER PIN %u\n", s->pin_border->pin);
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Border Pin not set"));
}
if (args[ARG_NEW_BUSY].u_obj != MP_OBJ_NULL) {
s->pin_busy = args[ARG_NEW_BUSY].u_obj;
printf("BUSY PIN %u\n", s->pin_busy->pin);
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Busy Pin not set"));
}
if (args[ARG_NEW_RESET].u_obj != MP_OBJ_NULL) {
s->pin_reset = args[ARG_NEW_RESET].u_obj;
printf("RESET PIN %u\n", s->pin_reset->pin);
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Reset Pin not set"));
}
if (args[ARG_NEW_DISCHARGE].u_obj != MP_OBJ_NULL) {
s->pin_discharge = args[ARG_NEW_DISCHARGE].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Reset Pin not set"));
}
#if 0
if (args[ARG_NEW_TEMP_SENSOR].u_obj != MP_OBJ_NULL) {
s->pin_temp_sensor = args[ARG_NEW_TEMP_SENSOR].u_obj;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"Display Busy Pin not set)"));
}
#endif
// direction arg not yet configurable
mp_int_t vertical = false;
s->framebuffer = lcd_mono_fb_helper_make_new(width, height, vertical);
driver_sld00200p_init(s->spi->pyb->spi->instance,
s->pwm->pyb->pwm->instance,
s->pin_cs,
s->pin_panel_on,
s->pin_border,
s->pin_busy,
s->pin_reset,
s->pin_discharge);
// Default to white background
driver_sld00200p_clear(0x00);
display_clear_screen(s->framebuffer, 0x0);
driver_sld00200p_deinit();
return MP_OBJ_FROM_PTR(s);
}
@ -96,14 +290,24 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(epaper_sld00200p_fill_obj, epaper_sld00200p_fil
/// refresh() method explicitly.
STATIC mp_obj_t epaper_sld00200p_show(size_t n_args, const mp_obj_t *args) {
epaper_sld00200p_obj_t *self = MP_OBJ_TO_PTR(args[0]);
mp_int_t num_of_refresh = 0;
if (n_args > 1) {
num_of_refresh = mp_obj_get_int(args[1]);
}
driver_sld00200p_reinit();
(void)num_of_refresh;
(void)self;
display_update(self->framebuffer, false, dirty_line_update_cb);
if (num_of_refresh > 0) {
while (num_of_refresh > 0) {
display_update(self->framebuffer, true, dirty_line_update_cb);
num_of_refresh--;
}
}
driver_sld00200p_deinit();
return mp_const_none;
}
@ -115,14 +319,32 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_show_obj, 1, 2, epap
/// - With no argument, 1 refresh will be done.
/// - With `num_of_refresh` given, The whole framebuffer will be considered
/// dirty and will be refreshed the given number of times.
STATIC mp_obj_t epaper_sld00200p_refresh(mp_obj_t self_in) {
epaper_sld00200p_obj_t *self = MP_OBJ_TO_PTR(self_in);
STATIC mp_obj_t epaper_sld00200p_refresh(size_t n_args, const mp_obj_t *args) {
epaper_sld00200p_obj_t *self = MP_OBJ_TO_PTR(args[0]);
(void)self;
mp_int_t num_of_refresh = 0;
if (n_args > 1) {
num_of_refresh = mp_obj_get_int(args[1]);
}
driver_sld00200p_reinit();
if (num_of_refresh > 0) {
while (num_of_refresh > 0) {
display_update(self->framebuffer, true, dirty_line_update_cb);
num_of_refresh--;
}
} else {
// default to one refresh
display_update(self->framebuffer, true, dirty_line_update_cb);
}
driver_sld00200p_deinit();
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(epaper_sld00200p_refresh_obj, epaper_sld00200p_refresh);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_refresh_obj, 1, 2, epaper_sld00200p_refresh);
/// \method pixel(x, y, [color])
/// Write one pixel in framebuffer.
@ -160,12 +382,11 @@ STATIC mp_obj_t epaper_sld00200p_text(size_t n_args, const mp_obj_t *args) {
if (n_args >= 4) {
color = mp_obj_get_int(args[3]);
}
(void)self;
(void)str;
(void)x;
(void)y;
(void)color;
display_print_string(self->framebuffer, x, y, str);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(epaper_sld00200p_text_obj, 4, 5, epaper_sld00200p_text);