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7547808ccd
This command can be used to list and access devices with uclass UCLASS_TOUCHPANEL. Signed-off-by: Ondrej Jirman <megous@megous.com>
138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 BayLibre, SAS
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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*/
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#include <common.h>
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#include <command.h>
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#include <dm.h>
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#include <touchpanel.h>
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static int do_touch_list(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct udevice *dev;
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int ret;
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ret = uclass_first_device_err(UCLASS_TOUCHPANEL, &dev);
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if (ret) {
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printf("No available touchpanel device\n");
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return CMD_RET_FAILURE;
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}
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do {
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printf("- %s\n", dev->name);
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ret = uclass_next_device(&dev);
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if (ret)
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return CMD_RET_FAILURE;
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} while (dev);
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return CMD_RET_SUCCESS;
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}
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static int do_touch_info(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct touchpanel_priv *uc_priv;
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struct udevice *dev;
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int ret;
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if (argc < 2)
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return CMD_RET_USAGE;
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ret = uclass_get_device_by_name(UCLASS_TOUCHPANEL, argv[1], &dev);
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if (ret) {
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printf("Unknown touchpanel device %s\n", argv[1]);
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return CMD_RET_FAILURE;
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}
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uc_priv = dev_get_uclass_priv(dev);
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printf("Touchpanel Device '%s' :\n", argv[1]);
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printf("size_x: %d\n", uc_priv->size_x);
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printf("size_y: %d\n", uc_priv->size_y);
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return CMD_RET_SUCCESS;
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}
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static int do_touch_get(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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//struct touchpanel_priv *uc_priv;
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struct touchpanel_touch touches[10];
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struct udevice *dev;
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int ret, i;
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if (argc < 2)
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return CMD_RET_USAGE;
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ret = uclass_get_device_by_name(UCLASS_TOUCHPANEL, argv[1], &dev);
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if (ret) {
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printf("Unknown touchpanel device %s\n", argv[1]);
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return CMD_RET_FAILURE;
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}
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//uc_priv = dev_get_uclass_priv(dev);
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printf("Touchpanel Device '%s' :\n", argv[1]);
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ret = touchpanel_start(dev);
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if (ret < 0) {
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printf("Failed to start %s, err=%d\n", argv[1], ret);
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return CMD_RET_FAILURE;
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}
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ret = touchpanel_get_touches(dev, touches, ARRAY_SIZE(touches));
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if (ret < 0) {
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printf("Failed to get touches from %s, err=%d\n", argv[1], ret);
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return CMD_RET_FAILURE;
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}
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for (i = 0; i < ret; i++) {
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printf("touch: id=%d x=%d y=%d\n", touches[i].id, touches[i].x,
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touches[i].y);
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}
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ret = touchpanel_stop(dev);
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if (ret < 0) {
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printf("Failed to stop %s, err=%d\n", argv[1], ret);
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return CMD_RET_FAILURE;
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}
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return CMD_RET_SUCCESS;
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}
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static cmd_tbl_t cmd_touch_sub[] = {
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U_BOOT_CMD_MKENT(list, 1, 1, do_touch_list, "", ""),
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U_BOOT_CMD_MKENT(info, 2, 1, do_touch_info, "", ""),
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U_BOOT_CMD_MKENT(get, 2, 1, do_touch_get, "", ""),
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};
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static int do_touch(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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cmd_tbl_t *c;
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if (argc < 2)
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return CMD_RET_USAGE;
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/* Strip off leading 'touch' command argument */
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argc--;
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argv++;
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c = find_cmd_tbl(argv[0], &cmd_touch_sub[0], ARRAY_SIZE(cmd_touch_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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static char touch_help_text[] =
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"list - list touchpanel devices\n"
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"touch info <name> - Get touchpanel device info\n"
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"touch get <name> - Get touches";
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U_BOOT_CMD(touch, 4, 1, do_touch, "Touchpanel sub-system", touch_help_text);
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