apps/graphics/ft80x: Add interface to play midi sounds; apps/examples/ft80x: Add an example using stencils.
This commit is contained in:
Gregory Nutt
parent
9d2b92d75d
commit
685d379542
@ -149,6 +149,7 @@ int ft80x_prim_linestrip(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_prim_edgestrip_r(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_prim_rectangles(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_prim_scissor(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_prim_stencil(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_prim_alphablend(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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/* Co-processor display examples */
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@ -83,6 +83,7 @@ struct ft80x_exampleinfo_s
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primitive
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* ft80x_prim_rectangles RECTS Rectangle drawing primitive
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* ft80x_prim_scissor SCISSOR Scissor primitive
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* ft80x_prim_stencil STENCIL Stencil primitives
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* ft80x_prim_alphablend COLOR_A Additive blend
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*/
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@ -97,6 +98,7 @@ static const struct ft80x_exampleinfo_s g_primitives[] =
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{ "Edge Strip R", ft80x_prim_edgestrip_r },
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{ "Rectangles", ft80x_prim_rectangles },
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{ "Scissor", ft80x_prim_scissor },
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{ "Stencil", ft80x_prim_stencil },
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{ "Alpha Blend", ft80x_prim_alphablend }
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};
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@ -49,6 +49,28 @@
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#include "graphics/ft80x.h"
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#include "ft80x.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define STENCIL_NUM_LINES 8
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#define STENCIL_NUM_POINTS 6
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static float lerp(float t, float a, float b)
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{
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return (float)((1 - t) * a + t * b);
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}
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static float smoothlerp(float t, float a, float b)
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{
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float lt = 3 * t * t - 2 * t * t * t;
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return lerp(lt, a, b);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -399,6 +421,316 @@ int ft80x_prim_scissor(int fd, FAR struct ft80x_dlbuffer_s *buffer)
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return OK;
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}
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/****************************************************************************
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* Name: ft80x_prim_stencil
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*
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* Description:
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* Demonstrate additive blend
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*
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****************************************************************************/
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int ft80x_prim_stencil(int fd, FAR struct ft80x_dlbuffer_s *buffer)
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{
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int16_t xball = FT80X_DISPLAY_WIDTH / 2;
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int16_t yball = 120;
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int16_t rball = FT80X_DISPLAY_WIDTH / 8;
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int16_t asize;
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int16_t aradius;
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int16_t gridsize = 20;
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int32_t asmooth;
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int32_t dispr = FT80X_DISPLAY_WIDTH - 10;
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int32_t displ = 10;
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int32_t dispa = 10;
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int32_t dispb = FT80X_DISPLAY_HEIGHT - 10;
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int8_t xflag = 1;
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int8_t yflag = 1;
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int ret;
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int i;
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int j;
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/* Display output chunks */
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union
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{
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struct
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{
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struct ft80x_cmd32_s clearrgb;
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struct ft80x_cmd32_s clear;
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struct ft80x_cmd32_s stencil;
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struct ft80x_cmd32_s colorrgb;
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struct ft80x_cmd32_s linewidth;
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struct ft80x_cmd32_s begin;
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} a;
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struct
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{
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struct ft80x_cmd32_s vertex2f1;
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struct ft80x_cmd32_s vertex2f2;
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} b;
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struct
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{
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struct ft80x_cmd32_s end;
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struct ft80x_cmd32_s colormask;
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struct ft80x_cmd32_s pointsize;
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struct ft80x_cmd32_s begin;
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struct ft80x_cmd32_s vertex2f;
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struct ft80x_cmd32_s stencilop;
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struct ft80x_cmd32_s stencilfunc;
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} c;
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struct
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{
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struct ft80x_cmd32_s pointsize;
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struct ft80x_cmd32_s vertex2f;
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struct ft80x_cmd32_s end;
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struct ft80x_cmd32_s begin;
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} d;
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struct
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{
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struct ft80x_cmd32_s linewidth;
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struct ft80x_cmd32_s vertex2f1;
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struct ft80x_cmd32_s vertex2f2;
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} e;
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struct
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{
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struct ft80x_cmd32_s end1;
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struct ft80x_cmd32_s colormask;
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struct ft80x_cmd32_s stencilfunc1;
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struct ft80x_cmd32_s stencilop1;
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struct ft80x_cmd32_s colorrgb1;
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struct ft80x_cmd32_s pointsize;
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struct ft80x_cmd32_s begin;
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struct ft80x_cmd32_s vertex2f1;
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struct ft80x_cmd32_s colorrgb2;
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struct ft80x_cmd32_s colora1;
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struct ft80x_cmd32_s vertex2f2;
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struct ft80x_cmd32_s colora2;
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struct ft80x_cmd32_s colorrgb3;
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struct ft80x_cmd32_s vertex2f3;
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struct ft80x_cmd32_s colorrgb4;
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struct ft80x_cmd32_s stencilfunc2;
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struct ft80x_cmd32_s stencilop2;
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struct ft80x_cmd32_s vertex2f4;
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struct ft80x_cmd32_s end2;
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} f;
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} cmds;
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dispr -= (dispr - displ) % gridsize;
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dispb -= (dispb - dispa) % gridsize;
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for (i = 100; i > 0; i--)
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{
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if ((xball + rball + 2) >= dispr || (xball - rball - 2) <= displ)
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{
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xflag ^= 1;
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ret = ft80x_audio_playsound(fd, 0, FT08X_EFFECT_CLICK);
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_audio_playsound failed: %d\n", ret);
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return ret;
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}
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}
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if ((yball + rball + 8) >= dispb || (yball - rball - 8) <= dispa)
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{
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yflag ^= 1;
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ret = ft80x_audio_playsound(fd, 0, FT08X_EFFECT_CLICK);
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_audio_playsound failed: %d\n", ret);
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return ret;
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}
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}
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if (xflag != 0)
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{
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xball += 2;
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}
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else
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{
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xball -= 2;
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}
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if (yflag != 0)
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{
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yball += 8 ;
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}
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else
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{
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yball -= 8;
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}
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/* Create the hardware display list */
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ret = ft80x_dl_start(fd, buffer, false);
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_start failed: %d\n", ret);
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return ret;
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}
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cmds.a.clearrgb.cmd = FT80X_CLEAR_COLOR_RGB(128, 128, 0);
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cmds.a.clear.cmd = FT80X_CLEAR(1, 1, 1);
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cmds.a.stencil.cmd = FT80X_STENCIL_OP(STENCIL_OP_INCR, STENCIL_OP_INCR);
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cmds.a.colorrgb.cmd = FT80X_COLOR_RGB(0, 0, 0);
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/* Draw grid */
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cmds.a.linewidth.cmd = FT80X_LINE_WIDTH(16);
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cmds.a.begin.cmd = FT80X_BEGIN(FT80X_PRIM_LINES);
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ret = ft80x_dl_data(fd, buffer, &cmds.a, sizeof(cmds.a));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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for (j = 0; j <= ((dispr - displ) / gridsize); j++)
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{
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cmds.b.vertex2f1.cmd =
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FT80X_VERTEX2F((displ + j * gridsize) * 16, dispa * 16);
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cmds.b.vertex2f2.cmd =
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FT80X_VERTEX2F((displ + j * gridsize) * 16, dispb * 16);
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ret = ft80x_dl_data(fd, buffer, &cmds.b, sizeof(cmds.b));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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}
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for (j = 0; j <= ((dispb - dispa) / gridsize); j++)
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{
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cmds.b.vertex2f1.cmd =
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FT80X_VERTEX2F(displ * 16, (dispa + j * gridsize) * 16);
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cmds.b.vertex2f2.cmd =
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FT80X_VERTEX2F(dispr * 16, (dispa + j * gridsize) * 16);
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ret = ft80x_dl_data(fd, buffer, &cmds.b, sizeof(cmds.b));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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}
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cmds.c.end.cmd = FT80X_END();
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cmds.c.colormask.cmd = FT80X_COLOR_MASK(0,0,0,0);
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cmds.c.pointsize.cmd = FT80X_POINT_SIZE(rball*16);
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cmds.c.begin.cmd = FT80X_BEGIN(FT80X_PRIM_POINTS);
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cmds.c.vertex2f.cmd = FT80X_VERTEX2F(xball*16,yball*16);
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cmds.c.stencilop.cmd = FT80X_STENCIL_OP(STENCIL_OP_INCR, STENCIL_OP_ZERO);
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cmds.c.stencilfunc.cmd = FT80X_STENCIL_FUNC(STENCIL_FUNC_GEQUAL,1,255);
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ret = ft80x_dl_data(fd, buffer, &cmds.c, sizeof(cmds.c));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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/* One side points */
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for (j = 1; j <= STENCIL_NUM_LINES; j++)
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{
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asize = j * rball * 2 / (STENCIL_NUM_LINES + 1);
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asmooth = (int32_t)
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smoothlerp((float)((float)asize /
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(2 * (float)rball)), 0, 2 * (float)rball);
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if (asmooth > rball)
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{
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/* Change the offset to -ve */
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int32_t tmp = asmooth - rball;
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aradius = (rball * rball + tmp * tmp) / (2 * tmp);
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cmds.d.pointsize.cmd = FT80X_POINT_SIZE(aradius*16);
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cmds.d.vertex2f.cmd = FT80X_VERTEX2F((xball - aradius + tmp)*16,yball*16);
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}
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else
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{
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int32_t tmp = rball - asmooth;
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aradius = (rball * rball + tmp * tmp) / (2 * tmp);
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cmds.d.pointsize.cmd = FT80X_POINT_SIZE(aradius*16);
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cmds.d.vertex2f.cmd = FT80X_VERTEX2F((xball+ aradius - tmp)*16,yball*16);
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}
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}
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cmds.d.end.cmd = FT80X_END();
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cmds.d.begin.cmd = FT80X_BEGIN(FT80X_PRIM_LINES);
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ret = ft80x_dl_data(fd, buffer, &cmds.d, sizeof(cmds.d));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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/* Draw lines - line should be at least radius diameter */
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for (j = 1; j <= STENCIL_NUM_LINES; j++)
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{
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asize = (j * rball * 2 / STENCIL_NUM_LINES);
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asmooth = (int32_t)
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smoothlerp((float)((float)asize /
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(2 * (float)rball)), 0, 2 * (float)rball);
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cmds.e.linewidth.cmd = FT80X_LINE_WIDTH(asmooth * 16);
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cmds.e.vertex2f1.cmd = FT80X_VERTEX2F((xball - rball)*16,(yball - rball )*16);
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cmds.e.vertex2f2.cmd = FT80X_VERTEX2F((xball + rball)*16,(yball - rball )*16);
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ret = ft80x_dl_data(fd, buffer, &cmds.e, sizeof(cmds.e));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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}
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cmds.f.end1.cmd = FT80X_END();
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cmds.f.colormask.cmd = FT80X_COLOR_MASK(1, 1, 1, 1);
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cmds.f.stencilfunc1.cmd = FT80X_STENCIL_FUNC(STENCIL_FUNC_ALWAYS, 1, 255);
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cmds.f.stencilop1.cmd = FT80X_STENCIL_OP(STENCIL_OP_KEEP, STENCIL_OP_KEEP);
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cmds.f.colorrgb1.cmd = FT80X_COLOR_RGB(255, 255, 255);
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cmds.f.pointsize.cmd = FT80X_POINT_SIZE(rball * 16);
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cmds.f.begin.cmd = FT80X_BEGIN(FT80X_PRIM_POINTS);
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cmds.f.vertex2f1.cmd = FT80X_VERTEX2F((xball - 1) * 16, (yball - 1) * 16);
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cmds.f.colorrgb2.cmd = FT80X_COLOR_RGB(0, 0, 0);
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cmds.f.colora1.cmd = FT80X_COLOR_A(160);
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cmds.f.vertex2f2.cmd = FT80X_VERTEX2F((xball + 16) * 16, (yball + 8) * 16);
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cmds.f.colora2.cmd = FT80X_COLOR_A(255);
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cmds.f.colorrgb3.cmd = FT80X_COLOR_RGB(255, 255, 255);
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cmds.f.vertex2f3.cmd = FT80X_VERTEX2F(xball * 16, yball * 16);
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cmds.f.colorrgb4.cmd = FT80X_COLOR_RGB(255, 0, 0);
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cmds.f.stencilfunc2.cmd = FT80X_STENCIL_FUNC(STENCIL_FUNC_GEQUAL, 1, 1);
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cmds.f.stencilop2.cmd = FT80X_STENCIL_OP(STENCIL_OP_KEEP, STENCIL_OP_KEEP);
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cmds.f.vertex2f4.cmd = FT80X_VERTEX2F(xball * 16, yball * 16);
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cmds.f.end2.cmd = FT80X_END();
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ret = ft80x_dl_data(fd, buffer, &cmds.f, sizeof(cmds.f));
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
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return ret;
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}
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/* Finally, terminate the display list */
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ret = ft80x_dl_end(fd, buffer);
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_end failed: %d\n", ret);
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}
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}
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return ret;
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}
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/****************************************************************************
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* Name: ft80x_prim_alphablend
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*
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@ -84,11 +84,40 @@
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: ft80x_audio_playsound
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*
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* Description:
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* Play an short sound effect
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*
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* Input Parameters:
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* fd - The file descriptor of the FT80x device. Opened by the
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* caller with write access.
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* effect - The sound effect to use (see FT80X_EFFECT_* definitions).
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* pitch - Pitch associated with the sound effect (see FT80X_NOTE_*
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* definitions). May be zero if there is no pitch associated
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* with the effect.
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*
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* Returned Value:
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* Zero (OK) on success. A negated errno value on failure.
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*
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****************************************************************************/
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int ft80x_audio_playsound(int fd, uint16_t effect, uint16_t pitch)
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{
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uint32_t cmds[2];
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cmds[0] = effect | pitch;
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cmds[1] = 1;
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return ft80x_putregs(fd,FT80X_REG_SOUND, cmds, 2);
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}
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/****************************************************************************
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* Name: ft80x_audio_playfile
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*
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* Description:
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* Play an audio file
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* Play an audio file. Audio files must consist of raw sample data.
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*
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* Input Parameters:
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* fd - The file descriptor of the FT80x device. Opened by the
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@ -421,6 +421,27 @@ int ft80x_touch_waittag(int fd, uint8_t oldtag);
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int ft80x_touch_info(int fd, FAR struct ft80x_touchinfo_s *info);
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/****************************************************************************
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* Name: ft80x_audio_playsound
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*
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* Description:
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* Play an short sound effect
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*
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* Input Parameters:
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* fd - The file descriptor of the FT80x device. Opened by the
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* caller with write access.
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* effect - The sound effect to use (see FT80X_EFFECT_* definitions).
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* pitch - Pitch associated with the sound effect (see FT80X_NOTE_*
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* definitions). May be zero if there is no pitch associated
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* with the effect.
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*
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* Returned Value:
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* Zero (OK) on success. A negated errno value on failure.
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*
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****************************************************************************/
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int ft80x_audio_playsound(int fd, uint16_t effect, uint16_t pitch);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_audio_playfile
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user