apps/graphics/ft80x: Add more touchscreen interfaces. apps/examples/ft80x: Add an interactive example using buttons, keys, and touchscreen input.
This commit is contained in:
Gregory Nutt
parent
9b1b912861
commit
e15526f683
@ -169,6 +169,7 @@ int ft80x_coproc_spinner(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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#endif
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int ft80x_coproc_screensaver(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_coproc_logo(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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int ft80x_coproc_interactive(int fd, FAR struct ft80x_dlbuffer_s *buffer);
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#undef EXTERN
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#ifdef __cplusplus
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@ -49,6 +49,12 @@
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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 INTERACTIVE_TEXTSIZE (512)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -4099,3 +4105,370 @@ int ft80x_coproc_logo(int fd, FAR struct ft80x_dlbuffer_s *buffer)
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return ret;
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}
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/****************************************************************************
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* Name: ft80x_coproc_interactive
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*
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* Description:
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* Demonstrate the keys HMI interactions
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*
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****************************************************************************/
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int ft80x_coproc_interactive(int fd, FAR struct ft80x_dlbuffer_s *buffer)
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{
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int16_t fontid;
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int16_t width ;
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int16_t height;
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int16_t ydist;
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int16_t yoffset;
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char text[INTERACTIVE_TEXTSIZE];
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char ch = '|';
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uint8_t currtag = 0;
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uint8_t prevtag = 0;
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int32_t textndx = 0;
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int ret;
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int i;
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/* Formatted 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 colorrgb;
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} a;
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struct
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{
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struct ft80x_cmd32_s tagmask;
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struct ft80x_cmd_text_s text;
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} b;
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struct
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{
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struct ft80x_cmd32_s tagmask;
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struct ft80x_cmd_gradcolor_s gradcolor;
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struct ft80x_cmd_keys_s keys;
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} c;
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struct
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{
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struct ft80x_cmd_gradcolor_s gradcolor;
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struct ft80x_cmd_keys_s keys;
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} d;
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struct
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{
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struct ft80x_cmd32_s tag;
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struct ft80x_cmd_button_s button;
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} e;
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struct
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{
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struct ft80x_cmd32_s colora;
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struct ft80x_cmd_keys_s keys;
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} f;
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struct ft80x_cmd_keys_s keys;
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} cmds;
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#ifdef CONFIG_LCD_FT80X_QVGA
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fontid = 27;
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width = 22;
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height = 22;
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ydist = 3;
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#else
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fontid = 29;
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width = 30;
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height = 30;
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ydist = 5;
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#endif
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for (i = 0; i < 600; i++)
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{
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/* Check the user input and then add the characters into array.
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* Hmmm... a better example might use the FT80X_IOC_EVENTNOTIFY ioctl
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* command to wait for a touch event.
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*/
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currtag = ft80x_touch_tag(fd);
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ch = currtag;
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if (currtag == 0)
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{
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/* No touch */
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ch = '|';
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/* Check if we lost the touch */
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if (prevtag != 0)
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{
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textndx++;
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/* Clear all the characters after 100 are pressed */
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if (textndx > 24)
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{
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textndx = 0;
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}
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}
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}
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/* Create the hardware display list */
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ret = ft80x_dl_start(fd, buffer, true);
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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(64, 64, 64);
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cmds.a.clear.cmd = FT80X_CLEAR(1 ,1, 1);
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cmds.a.colorrgb.cmd = FT80X_COLOR_RGB(0xff, 0xff, 0xff);
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/* Copy the commands into the display list */
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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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/* Draw text entered by user */
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/* Make sure the array is a NUL terminated string */
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text[textndx] = ch;
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text[textndx + 1] = '\0';
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cmds.b.tagmask.cmd = FT80X_TAG_MASK(0);
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cmds.b.text.cmd = FT80X_CMD_TEXT; /* Text */
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cmds.b.text.x = FT80X_DISPLAY_WIDTH / 2;
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cmds.b.text.y = 40;
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cmds.b.text.font = fontid;
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cmds.b.text.options = FT80X_OPT_CENTER;
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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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ret = ft80x_dl_string(fd, buffer, text);
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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cmds.c.tagmask.cmd = FT80X_TAG_MASK(1);
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/* Construct a simple keyboard - note that the tags associated with
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* the keys are the character values given in the arguments.
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*/
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yoffset = 80 + 10;
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cmds.c.gradcolor.cmd = FT80X_CMD_GRADCOLOR; /* Gradient color */
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cmds.c.gradcolor.c = 0x00ffff;
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cmds.c.keys.cmd = FT80X_CMD_KEYS; /* Keys */
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cmds.c.keys.x = ydist;
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cmds.c.keys.y = yoffset;
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cmds.c.keys.w = 10 * width;
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cmds.c.keys.h = height;
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cmds.c.keys.font = fontid;
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cmds.c.keys.options = (FT80X_OPT_CENTER | currtag);
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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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ret = ft80x_dl_string(fd, buffer, "qwertyuiop");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.d.gradcolor.cmd = FT80X_CMD_GRADCOLOR; /* Gradient color */
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cmds.d.gradcolor.c = 0x00ffff;
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cmds.d.keys.cmd = FT80X_CMD_KEYS; /* Keys */
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cmds.d.keys.x = ydist;
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cmds.d.keys.y = yoffset;
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cmds.d.keys.w = 10 * width;
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cmds.d.keys.h = height;
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cmds.d.keys.font = fontid;
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cmds.d.keys.options = (FT80X_OPT_CENTER | currtag);
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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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ret = ft80x_dl_string(fd, buffer, "asdfghijkl");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.d.gradcolor.c = 0xffff00;
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cmds.d.keys.y = yoffset;
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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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ret = ft80x_dl_string(fd, buffer, "zxcvbnm");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.e.tag.cmd = FT80X_TAG(' ');
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cmds.e.button.cmd = FT80X_CMD_BUTTON;
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cmds.e.button.x = ydist;
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cmds.e.button.y = yoffset;
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cmds.e.button.w = 10 *width;
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cmds.e.button.h = height;
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cmds.e.button.font = fontid;
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if (currtag == ' ')
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{
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cmds.e.button.options = (FT80X_OPT_CENTER | FT80X_OPT_FLAT);
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}
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else
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{
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cmds.e.button.options = FT80X_OPT_CENTER;
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}
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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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ret = ft80x_dl_string(fd, buffer, " ");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset = 80 + 10;
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cmds.keys.cmd = FT80X_CMD_KEYS; /* Keys */
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cmds.keys.x = 11 * width;
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cmds.keys.y = yoffset;
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cmds.keys.w = 3 * width;
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cmds.keys.h = height;
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cmds.keys.font = fontid;
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cmds.keys.options = (0 | currtag);
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ret = ft80x_dl_data(fd, buffer, &cmds.keys, sizeof(cmds.keys));
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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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ret = ft80x_dl_string(fd, buffer, "789");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.keys.y = yoffset;
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ret = ft80x_dl_data(fd, buffer, &cmds.keys, sizeof(cmds.keys));
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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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ret = ft80x_dl_string(fd, buffer, "456");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.keys.y = yoffset;
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ret = ft80x_dl_data(fd, buffer, &cmds.keys, sizeof(cmds.keys));
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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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ret = ft80x_dl_string(fd, buffer, "123");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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yoffset += height + ydist;
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cmds.f.colora.cmd = FT80X_COLOR_A(255);
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cmds.f.keys.cmd = FT80X_CMD_KEYS; /* Keys */
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cmds.f.keys.x = 11 * width;
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cmds.f.keys.y = yoffset;
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cmds.f.keys.w = 3 * width;
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cmds.f.keys.h = height;
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cmds.f.keys.font = fontid;
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cmds.f.keys.options = (9 | currtag);
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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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ret = ft80x_dl_string(fd, buffer, "0.");
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if (ret < 0)
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{
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ft80x_err("ERROR: ft80x_dl_string failed: %d\n", ret);
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return ret;
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}
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/* 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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return ret;
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}
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usleep(10 * 1000);
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prevtag = currtag;
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}
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return OK;
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}
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@ -126,6 +126,7 @@ static const struct ft80x_exampleinfo_s g_primitives[] =
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* (To be provided) CMD_SNAPSHOT Take a snapshot of the current
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screen
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* ft80x_coproc_logo CMD_LOGO Play device log animation
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* ft80x_coproc_interactive CMD_KEYS Interactive keys
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*/
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static const struct ft80x_exampleinfo_s g_coproc[] =
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@ -145,7 +146,8 @@ static const struct ft80x_exampleinfo_s g_coproc[] =
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#ifndef CONFIG_EXAMPLES_FT80X_EXCLUDE_BITMAPS
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{ "Screen Saver", ft80x_coproc_screensaver },
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#endif
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{ "Logo", ft80x_coproc_logo }
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{ "Logo", ft80x_coproc_logo },
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{ "Interactive", ft80x_coproc_interactive },
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};
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#define NCOPROC (sizeof(g_primitives) / sizeof(ft80x_example_t))
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@ -28,6 +28,14 @@ config GRAPHICS_FT80X_CMDEMPTY_SIGNAL
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This is the signal that will be received when the co-processor CMD
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FIFO becomes empty.
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config GRAPHICS_FT80X_TAG_SIGNAL
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int "TAG event signal"
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default 18
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range 1 31
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---help---
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This is the signal that will be received when the co-processor the
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detected touch tag changes.
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config GRAPHICS_FT80X_DEBUG_ERROR
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bool "Enable error output"
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default y
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@ -137,7 +137,7 @@ struct ft80x_dlbuffer_s; /* Forward reference3 */
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int ft80x_getreg8(int fd, uint32_t addr, FAR uint8_t *value);
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int ft80x_getreg16(int fd, uint32_t addr, FAR uint16_t *value);
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int ft80x_getreg32(int fd, uint32_t addr, FAR uint16_t *value);
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int ft80x_getreg32(int fd, uint32_t addr, FAR uint32_t *value);
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/****************************************************************************
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* Name: ft80x_getregs
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@ -135,7 +135,7 @@ int ft80x_getreg16(int fd, uint32_t addr, FAR uint16_t *value)
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return ret;
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}
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int ft80x_getreg32(int fd, uint32_t addr, FAR uint16_t *value)
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int ft80x_getreg32(int fd, uint32_t addr, FAR uint32_t *value)
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{
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struct ft80x_register_s reg;
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int ret;
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@ -41,6 +41,7 @@
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#include <sys/ioctl.h>
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#include <stdint.h>
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#include <signal.h>
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#include <assert.h>
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#include <errno.h>
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@ -82,4 +83,308 @@ int ft80x_touch_gettransform(int fd, FAR uint32_t matrix[6])
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}
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return ret;
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}
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}
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/****************************************************************************
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* Name: ft80x_touch_tag
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*
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* Description:
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* Read the current touch tag. The touch tag is an 8-bit value
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* identifying the specific graphics object on the screen that is being
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* touched. The value zero indicates that there is no graphic object being
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* touched.
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*
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* Only a single touch can be queried. For the FT801 in "extended",
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* multi-touch mode, this value indicates only the tag associated with
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* touch 0.
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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 caller
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* with write access.
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*
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* Returned Value:
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* A value of 1-255 is returned if a graphics object is touched. Zero is
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* returned if no graphics object is touched. A negated errno value on failure.
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*
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****************************************************************************/
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||||
|
||||
int ft80x_touch_tag(int fd)
|
||||
{
|
||||
uint8_t tag;
|
||||
int ret;
|
||||
|
||||
#if defined(CONFIG_LCD_FT800)
|
||||
/* Read REG_TOUCH_TAG */
|
||||
|
||||
ret = ft80x_getreg8(fd, FT80X_REG_TOUCH_TAG, &tag);
|
||||
|
||||
#elif defined(CONFIG_LCD_FT801)
|
||||
/* Read REG_CTOUCH_TAG */
|
||||
|
||||
ret = ft80x_getreg8(fd, FT80X_REG_CTOUCH_TAG, &tag);
|
||||
|
||||
#endif
|
||||
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg8 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return (int)tag;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_touch_waittag
|
||||
*
|
||||
* Description:
|
||||
* Wait until there is a change in the touch tag.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fd - The file descriptor of the FT80x device. Opened by the caller
|
||||
* with write access.
|
||||
* oldtag - The previous tag value. This function will return when the
|
||||
* current touch tag differs from this value.
|
||||
*
|
||||
* Returned Value:
|
||||
* A value of 1-255 is returned if a graphics object is touched. Zero is
|
||||
* returned if no graphics object is touched. A negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft80x_touch_waittag(int fd, uint8_t oldtag)
|
||||
{
|
||||
struct ft80x_notify_s notify;
|
||||
struct timespec timeout;
|
||||
sigset_t set;
|
||||
uint8_t tag;
|
||||
int ret;
|
||||
|
||||
/* Block the signal so that it will pend if received asynchronously */
|
||||
|
||||
(void)sigemptyset(&set);
|
||||
(void)sigaddset(&set, CONFIG_GRAPHICS_FT80X_TAG_SIGNAL);
|
||||
|
||||
ret = pthread_sigmask(SIG_BLOCK, &set, NULL);
|
||||
if (ret < 0)
|
||||
{
|
||||
ret = -errno;
|
||||
ft80x_err("ERROR: pthread_sigmask for signal %d failed: %d\n",
|
||||
CONFIG_GRAPHICS_FT80X_TAG_SIGNAL, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
notify.signo = CONFIG_GRAPHICS_FT80X_TAG_SIGNAL;
|
||||
notify.pid = getpid();
|
||||
notify.event = FT80X_NOTIFY_TAG;
|
||||
notify.enable = false;
|
||||
|
||||
for (; ; )
|
||||
{
|
||||
/* Read the current touch tag. */
|
||||
|
||||
ret = ft80x_touch_tag(fd);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_touch_tag failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Check if the touch tag has already changed */
|
||||
|
||||
tag = (uint8_t)(ret & 0xff);
|
||||
ft80x_info("oldtag=%u tag=%u\n", oldtag, tag);
|
||||
|
||||
if (tag == oldtag)
|
||||
{
|
||||
/* The tag has changed... return success */
|
||||
|
||||
ret = OK;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Set up to receive a notification when the touch tag changes.
|
||||
* NOTE that there is a race condition here between the preceding test
|
||||
* and the time when the event is registered. We catch this with a
|
||||
* timeout below.
|
||||
*/
|
||||
|
||||
notify.enable = true;
|
||||
ret = ioctl(fd, FT80X_IOC_EVENTNOTIFY,
|
||||
(unsigned long)((uintptr_t)¬ify));
|
||||
if (ret < 0)
|
||||
{
|
||||
ret = -errno;
|
||||
ft80x_err("ERROR: ioctl(FT80X_IOC_EVENTNOTIFY) failed: %d\n", ret);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Now wait for the signal event (or a timeout) */
|
||||
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_nsec = 400 * 1000 * 1000;
|
||||
|
||||
ret = sigtimedwait(&set, NULL, &timeout);
|
||||
|
||||
/* Make sure that the event notification is again disabled */
|
||||
|
||||
notify.enable = false;
|
||||
(void)ioctl(fd, FT80X_IOC_EVENTNOTIFY,
|
||||
(unsigned long)((uintptr_t)¬ify));
|
||||
|
||||
/* Check if the signal was received correctly or if the timeout occurred. */
|
||||
|
||||
if (ret < 0)
|
||||
{
|
||||
int errcode = errno;
|
||||
if (errcode != EAGAIN)
|
||||
{
|
||||
ft80x_err("ERROR: ioctl(FT80X_IOC_EVENTNOTIFY) failed: %d\n",
|
||||
errcode);
|
||||
ret = -errcode;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
(void)pthread_sigmask(SIG_UNBLOCK, &set, NULL);
|
||||
return tag;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_touch_info
|
||||
*
|
||||
* Description:
|
||||
* Return the current touch tag and touch position information.
|
||||
*
|
||||
* For the FT801 in "extended", multi-touch mode, the tag value indicates
|
||||
* only the tag associated with touch 0.
|
||||
*
|
||||
* Touch positions of -32768 indicate that no touch is detected.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fd - The file descriptor of the FT80x device. Opened by the caller
|
||||
* with write access.
|
||||
* info - Location in which to return the touch information
|
||||
*
|
||||
* Returned Value:
|
||||
* A value of 1-255 is returned if a graphics object is touched. Zero is
|
||||
* returned if no graphics object is touched. A negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft80x_touch_info(int fd, FAR struct ft80x_touchinfo_s *info)
|
||||
{
|
||||
int ret;
|
||||
|
||||
DEBUGASSERT(info != NULL);
|
||||
|
||||
#if defined(CONFIG_LCD_FT800)
|
||||
/* Read REG_TOUCH_TAG */
|
||||
|
||||
ret = ft80x_getreg8(fd, FT80X_REG_TOUCH_TAG, &info->tag);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg8 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_TOUCH_TAG_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_TOUCH_TAG_XY, &info->tagpos.xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_TOUCH_RZ register */
|
||||
|
||||
ret = ft80x_getreg16(fd, FT80X_REG_TOUCH_RZ,
|
||||
(FAR uint16_t *)&info->pressure);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg16 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_TOUCH_SCREEN_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_TOUCH_SCREEN_XY, &info->pos.xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#elif defined(CONFIG_LCD_FT801)
|
||||
/* Read REG_CTOUCH_TAG */
|
||||
|
||||
ret = ft80x_getreg8(fd, FT80X_REG_CTOUCH_TAG, &tag);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg8 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_CTOUCH_TAG_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TAG_XY, &info->tagpos.xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#ifndef CONFIG_LCD_FT801_MULTITOUCH
|
||||
/* Read the FT80X_REG_CTOUCH_TOUCH0_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TOUCH0_XY, &info->pos.xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#else
|
||||
/* Read the FT80X_REG_CTOUCH_TOUCH0_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TOUCH0_XY, &info->pos[0].xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_CTOUCH_TOUCH1_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TOUCH1_XY, &info->pos[1].xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_CTOUCH_TOUCH2_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TOUCH2_XY, &info->pos[2].xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read the FT80X_REG_CTOUCH_TOUCH3_XY register */
|
||||
|
||||
ret = ft80x_getreg32(fd, FT80X_REG_CTOUCH_TOUCH3_XY, &info->pos[3].xy);
|
||||
if (ret < 0)
|
||||
{
|
||||
ft80x_err("ERROR: ft80x_getreg32 failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_LCD_FT801_MULTITOUCH */
|
||||
#endif /* CONFIG_LCD_FT800/1 */
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
@ -70,6 +70,32 @@ struct ft80x_dlbuffer_s
|
||||
uint32_t dlbuffer[FT80X_DL_BUFWORDS];
|
||||
};
|
||||
|
||||
/* Describes touch sample */
|
||||
|
||||
union ft80x_touchpos_u
|
||||
{
|
||||
uint32_t xy; /* To force 32-bit alignment */
|
||||
struct /* Little-endian */
|
||||
{
|
||||
int16_t x; /* Touch X position (-32768 if no touch) */
|
||||
int16_t y; /* Touch Y position (-32768 if no touch) */
|
||||
} u;
|
||||
};
|
||||
|
||||
struct ft80x_touchinfo_s
|
||||
{
|
||||
uint8_t tag; /* Touch 0 tag */
|
||||
#if defined(CONFIG_LCD_FT800)
|
||||
int16_t pressure; /* Touch pressure (32767 if not touched) */
|
||||
#endif
|
||||
union ft80x_touchpos_u tagpos; /* Position associated with tag */
|
||||
#if defined(CONFIG_LCD_FT800) || !defined(CONFIG_LCD_FT801_MULTITOUCH)
|
||||
union ft80x_touchpos_u pos; /* Current touch position */
|
||||
#else
|
||||
union ft80x_touchpos_u pos[4]; /* Current touch position for up to 4 touches */
|
||||
#endif
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
@ -326,6 +352,75 @@ int ft80x_ramg_write(int fd, unsigned int offset, FAR const void *data,
|
||||
|
||||
int ft80x_touch_gettransform(int fd, FAR uint32_t matrix[6]);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_touch_tag
|
||||
*
|
||||
* Description:
|
||||
* Read the current touch tag. The touch tag is an 8-bit value
|
||||
* identifying the specific graphics object on the screen that is being
|
||||
* touched. The value zero indicates that there is no graphic object being
|
||||
* touched.
|
||||
*
|
||||
* Only a single touch can be queried. For the FT801 in "extended",
|
||||
* multi-touch mode, this value indicates only the tag associated with
|
||||
* touch 0.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fd - The file descriptor of the FT80x device. Opened by the caller
|
||||
* with write access.
|
||||
*
|
||||
* Returned Value:
|
||||
* A value of 1-255 is returned if a graphics object is touched. Zero is
|
||||
* returned if no graphics object is touched. A negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft80x_touch_tag(int fd);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_touch_waittag
|
||||
*
|
||||
* Description:
|
||||
* Wait until there is a change in the touch tag.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fd - The file descriptor of the FT80x device. Opened by the caller
|
||||
* with write access.
|
||||
* oldtag - The previous tag value. This function will return when the
|
||||
* current touch tag differs from this value.
|
||||
*
|
||||
* Returned Value:
|
||||
* A value of 1-255 is returned if a graphics object is touched. Zero is
|
||||
* returned if no graphics object is touched. A negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft80x_touch_waittag(int fd, uint8_t oldtag);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_touch_info
|
||||
*
|
||||
* Description:
|
||||
* Return the current touch tag and touch position information.
|
||||
*
|
||||
* For the FT801 in "extended", multi-touch mode, the tag value indicates
|
||||
* only the tag associated with touch 0.
|
||||
*
|
||||
* Touch positions of -32768 indicate that no touch is detected.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fd - The file descriptor of the FT80x device. Opened by the caller
|
||||
* with write access.
|
||||
* info - Location in which to return the touch information
|
||||
*
|
||||
* Returned Value:
|
||||
* A value of 1-255 is returned if a graphics object is touched. Zero is
|
||||
* returned if no graphics object is touched. A negated errno value on failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft80x_touch_info(int fd, FAR struct ft80x_touchinfo_s *info);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft80x_backlight_set
|
||||
*
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user