pimoroni-pico/micropython/modules/breakout_dotmatrix/breakout_dotmatrix.cpp

193 lines
7.7 KiB
C++

#include "libraries/breakout_dotmatrix/breakout_dotmatrix.hpp"
#include "micropython/modules/util.hpp"
#include <cstdio>
using namespace pimoroni;
extern "C" {
#include "breakout_dotmatrix.h"
#include "pimoroni_i2c.h"
/***** Variables Struct *****/
typedef struct _breakout_dotmatrix_BreakoutDotMatrix_obj_t {
mp_obj_base_t base;
BreakoutDotMatrix *breakout;
_PimoroniI2C_obj_t *i2c;
} breakout_dotmatrix_BreakoutDotMatrix_obj_t;
/***** Constructor *****/
mp_obj_t BreakoutDotMatrix_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = nullptr;
enum { ARG_i2c, ARG_address };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_i2c, MP_ARG_OBJ, {.u_obj = nullptr} },
{ MP_QSTR_address, MP_ARG_INT, {.u_int = BreakoutDotMatrix::DEFAULT_I2C_ADDRESS} },
};
// Parse args.
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
self = m_new_obj(breakout_dotmatrix_BreakoutDotMatrix_obj_t);
self->base.type = &breakout_dotmatrix_BreakoutDotMatrix_type;
self->i2c = PimoroniI2C_from_machine_i2c_or_native(args[ARG_i2c].u_obj);
self->breakout = m_new_class(BreakoutDotMatrix, (pimoroni::I2C *)(self->i2c->i2c), args[ARG_address].u_int);
if(!self->breakout->init()) {
mp_raise_msg(&mp_type_RuntimeError, "DotMatrix breakout not found when initialising");
}
return MP_OBJ_FROM_PTR(self);
}
mp_obj_t BreakoutDotMatrix_set_brightness(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_brightness, ARG_update };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_brightness, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_update, MP_ARG_BOOL, {.u_bool = false } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
float brightness = mp_obj_get_float(args[ARG_brightness].u_obj);
if(brightness < 0 || brightness > 1.0f)
mp_raise_ValueError("brightness out of range. Expected 0.0 to 1.0");
else
self->breakout->set_brightness((uint8_t)(brightness * BreakoutDotMatrix::MAX_BRIGHTNESS), args[ARG_update].u_bool);
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_set_decimal(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_left, ARG_right };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_left, MP_ARG_BOOL, { .u_bool = false } },
{ MP_QSTR_right, MP_ARG_BOOL, { .u_bool = false } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
self->breakout->set_decimal(args[ARG_left].u_bool, args[ARG_right].u_bool);
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_set_pixel(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_x, ARG_y, ARG_on };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_col, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_row, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_on, MP_ARG_REQUIRED | MP_ARG_BOOL },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
int x = args[ARG_x].u_int;
int y = args[ARG_y].u_int;
if(x < 0 || x >= BreakoutDotMatrix::WIDTH || y < 0 || y >= BreakoutDotMatrix::HEIGHT)
mp_raise_ValueError("x or y out of range.");
else
self->breakout->set_pixel(x, y, args[ARG_on].u_bool);
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_set_character(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_x, ARG_ch };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_col, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_char, MP_ARG_REQUIRED | MP_ARG_OBJ },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
int x = args[ARG_x].u_int;
int ch = mp_obj_get_int(args[ARG_ch].u_obj);
self->breakout->set_character(x, ch);
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_set_image(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_image, ARG_width, ARG_height, ARG_offset_x, ARG_offset_y, ARG_wrap, ARG_bg, ARG_on_level, ARG_padding };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_image, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_width, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_height, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_offset_x, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_offset_y, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_wr, MP_ARG_BOOL, {.u_bool = false} },
{ MP_QSTR_bg, MP_ARG_BOOL, {.u_bool = false} },
{ MP_QSTR_on_level, MP_ARG_INT, {.u_int = BreakoutDotMatrix::DEFAULT_ON_LEVEL} },
{ MP_QSTR_padding, MP_ARG_INT, {.u_int = 0} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
int width = args[ARG_width].u_int;
int height = args[ARG_height].u_int;
int offset_x = args[ARG_offset_x].u_int;
int offset_y = args[ARG_offset_y].u_int;
int on_level = args[ARG_on_level].u_int;
int padding = args[ARG_padding].u_int;
if(width <= 0 || height <= 0)
mp_raise_ValueError("width or height less than or equal to zero.");
else if(offset_x < 0 || offset_y < 0)
mp_raise_ValueError("offset_x or offset_y less than zero.");
else if(on_level < 0 || offset_y > 255)
mp_raise_ValueError("on_level out of range. Expected 0 to 255");
else if(padding < 0 || padding > 255)
mp_raise_ValueError("padding out of range. Expected 0 to 255");
else {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[ARG_image].u_obj, &bufinfo, MP_BUFFER_READ);
self->breakout->set_image((const uint8_t *)bufinfo.buf, width, height,
offset_x, offset_y, args[ARG_wrap].u_bool,
args[ARG_bg].u_bool, on_level, padding);
}
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_clear(mp_obj_t self_in) {
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
self->breakout->clear();
return mp_const_none;
}
mp_obj_t BreakoutDotMatrix_show(mp_obj_t self_in) {
breakout_dotmatrix_BreakoutDotMatrix_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_dotmatrix_BreakoutDotMatrix_obj_t);
self->breakout->show();
return mp_const_none;
}
}