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https://github.com/Telecominfraproject/OpenCellular.git
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12cdccc00c
BUG=chrome-os-partner:7839 TEST=none, work in progress Change-Id: I20acde8db7f250227adcd4b9dc59328362e68720 Signed-off-by: Bill Richardson <wfrichar@chromium.org>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* LED controls.
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*/
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#include "board.h"
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#include "console.h"
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#include "i2c.h"
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#include "uart.h"
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#include "util.h"
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static int command_lightsaber(int argc, char **argv)
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{
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static int addr = 0x54; /* FIXME: 54 and 56 are valid */
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int port, reg;
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char *e;
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int rv;
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int d, i;
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int reglist[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a };
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port = I2C_PORT_LIGHTBAR;
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if (1 == argc) { /* dump 'em all */
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uart_printf("addr %02x:\n", addr);
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for( i=0; i<sizeof(reglist)/sizeof(reglist[0]); i++ ) {
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reg = reglist[i];
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rv = i2c_read8(port, addr, reg, &d);
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if (rv)
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return rv;
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uart_printf("reg %02x = %02x\n", reg, d);
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}
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return EC_SUCCESS;
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} else if (2 == argc ) { /* read just one */
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reg = strtoi(argv[1], &e, 16);
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if (*e) {
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uart_puts("Invalid reg\n");
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return EC_ERROR_INVAL;
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}
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rv = i2c_read8(port, addr, reg, &d);
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if (rv)
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return rv;
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uart_printf("0x%02x\n", d);
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return EC_SUCCESS;
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} else if (3 == argc) { /* write one */
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if (!strcasecmp(argv[1],"addr")) {
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addr = strtoi(argv[2], &e, 16);
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uart_printf("addr now %02x\n", addr);
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return EC_SUCCESS;
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}
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reg = strtoi(argv[1], &e, 16);
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if (*e) {
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uart_puts("Invalid reg\n");
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return EC_ERROR_INVAL;
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}
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d = strtoi(argv[2], &e, 16);
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if (*e) {
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uart_puts("Invalid data\n");
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return EC_ERROR_INVAL;
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}
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return i2c_write8(port, addr, reg, d);
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}
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uart_printf("Usage: %s [<reg> [<val]]\n", argv[0]);
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uart_printf(" %s addr <ADDR>\n", argv[0]);
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return EC_ERROR_INVAL;
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}
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DECLARE_CONSOLE_COMMAND(lightsaber, command_lightsaber);
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