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cmd/demo.c
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/* * Copyright (c) 2013 Google, Inc * * (C) Copyright 2012 * Pavel Herrmann <morpheus.ibis@gmail.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <dm-demo.h> |
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#include <mapmem.h> |
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#include <asm/io.h> |
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struct udevice *demo_dev; |
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static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ch = 0; if (argc) ch = *argv[0]; return demo_hello(demo_dev, ch); } static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int status; int ret; ret = demo_status(demo_dev, &status); if (ret) return ret; printf("Status: %d ", status); return 0; } |
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static int do_demo_light(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int light; int ret; if (argc) { light = simple_strtoul(argv[0], NULL, 16); ret = demo_set_light(demo_dev, light); } else { ret = demo_get_light(demo_dev); if (ret >= 0) { printf("Light: %x ", ret); ret = 0; } } return ret; } |
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int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { |
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struct udevice *dev; |
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int i, ret; puts("Demo uclass entries: "); for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev); dev; ret = uclass_next_device(&dev)) { printf("entry %d - instance %08x, ops %08x, platdata %08x ", |
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i++, (uint)map_to_sysmem(dev), (uint)map_to_sysmem(dev->driver->ops), (uint)map_to_sysmem(dev_get_platdata(dev))); |
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} return cmd_process_error(cmdtp, ret); } static cmd_tbl_t demo_commands[] = { U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""), U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""), |
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U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""), |
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U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""), }; static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { cmd_tbl_t *demo_cmd; int devnum = 0; int ret; if (argc < 2) return CMD_RET_USAGE; demo_cmd = find_cmd_tbl(argv[1], demo_commands, ARRAY_SIZE(demo_commands)); argc -= 2; argv += 2; |
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if ((!demo_cmd || argc > demo_cmd->maxargs) || ((demo_cmd->name[0] != 'l') && (argc < 1))) |
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return CMD_RET_USAGE; if (argc) { devnum = simple_strtoul(argv[0], NULL, 10); ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev); if (ret) return cmd_process_error(cmdtp, ret); argc--; argv++; |
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} else { demo_dev = NULL; if (demo_cmd->cmd != do_demo_list) return CMD_RET_USAGE; |
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} ret = demo_cmd->cmd(demo_cmd, flag, argc, argv); return cmd_process_error(demo_cmd, ret); } U_BOOT_CMD( demo, 4, 1, do_demo, "Driver model (dm) demo operations", "list List available demo devices " "demo hello <num> [<char>] Say hello " |
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"demo light [<num>] Set or get the lights " "demo status <num> Get demo device status " "demo list List available demo devices" |
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); |