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Plasma: Add WS2812 W suppot for #220

This commit is contained in:
Phil Howard 2021-12-03 10:50:06 +00:00
parent f96012a395
commit 580d8cf7a2
3 changed files with 20 additions and 14 deletions
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14
drivers/plasma/ws2812.cpp
View File

@ -67,7 +67,7 @@ void WS2812::clear() {
}
}
void WS2812::set_hsv(uint32_t index, float h, float s, float v) {
void WS2812::set_hsv(uint32_t index, float h, float s, float v, uint8_t w) {
float i = floor(h * 6.0f);
float f = h * 6.0f - i;
v *= 255.0f;
@ -76,12 +76,12 @@ void WS2812::set_hsv(uint32_t index, float h, float s, float v) {
uint8_t t = v * (1.0f - (1.0f - f) * s);
switch (int(i) % 6) {
case 0: set_rgb(index, v, t, p); break;
case 1: set_rgb(index, q, v, p); break;
case 2: set_rgb(index, p, v, t); break;
case 3: set_rgb(index, p, q, v); break;
case 4: set_rgb(index, t, p, v); break;
case 5: set_rgb(index, v, p, q); break;
case 0: set_rgb(index, v, t, p, w); break;
case 1: set_rgb(index, q, v, p, w); break;
case 2: set_rgb(index, p, v, t, w); break;
case 3: set_rgb(index, p, q, v, w); break;
case 4: set_rgb(index, t, p, v, w); break;
case 5: set_rgb(index, v, p, q, w); break;
}
}

2
drivers/plasma/ws2812.hpp
View File

@ -84,7 +84,7 @@ namespace plasma {
bool stop();
void update(bool blocking=false);
void clear();
void set_hsv(uint32_t index, float h, float s, float v);
void set_hsv(uint32_t index, float h, float s, float v, uint8_t w=0);
void set_rgb(uint32_t index, uint8_t r, uint8_t g, uint8_t b, uint8_t w=0, bool gamma=true);
void set_brightness(uint8_t b);
RGB get(uint32_t index) {return buffer[index];};

18
micropython/modules/plasma/plasma.cpp
View File

@ -133,13 +133,14 @@ mp_obj_t PlasmaWS2812_start(size_t n_args, const mp_obj_t *pos_args, mp_map_t *k
mp_obj_t PlasmaWS2812_set_rgb(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_index, ARG_r, ARG_g, ARG_b };
enum { ARG_self, ARG_index, ARG_r, ARG_g, ARG_b, ARG_w };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_index, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_r, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_g, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_b, MP_ARG_REQUIRED | MP_ARG_INT }
{ MP_QSTR_b, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_w, MP_ARG_INT, {.u_int = 0} }
};
// Parse args.
@ -150,21 +151,24 @@ mp_obj_t PlasmaWS2812_set_rgb(size_t n_args, const mp_obj_t *pos_args, mp_map_t
int r = args[ARG_r].u_int;
int g = args[ARG_g].u_int;
int b = args[ARG_b].u_int;
int w = args[ARG_w].u_int;
_PlasmaWS2812_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, _PlasmaWS2812_obj_t);
self->ws2812->set_rgb(index, r, g, b);
self->ws2812->set_rgb(index, r, g, b, w);
return mp_const_none;
}
mp_obj_t PlasmaWS2812_set_hsv(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_index, ARG_h, ARG_s, ARG_v };
enum { ARG_self, ARG_index, ARG_h, ARG_s, ARG_v, ARG_w };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_index, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_hue, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_sat, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&const_float_1)} },
{ MP_QSTR_val, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&const_float_1)} }
{ MP_QSTR_val, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&const_float_1)} },
{ MP_QSTR_w, MP_ARG_INT, {.u_int = 0} }
};
// Parse args.
@ -175,9 +179,11 @@ mp_obj_t PlasmaWS2812_set_hsv(size_t n_args, const mp_obj_t *pos_args, mp_map_t
float h = mp_obj_get_float(args[ARG_h].u_obj);
float s = mp_obj_get_float(args[ARG_s].u_obj);
float v = mp_obj_get_float(args[ARG_v].u_obj);
int w = args[ARG_w].u_int;
_PlasmaWS2812_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, _PlasmaWS2812_obj_t);
self->ws2812->set_hsv(index, h, s, v);
self->ws2812->set_hsv(index, h, s, v, w);
return mp_const_none;
}