diff options
Diffstat (limited to 'apps/system/i2c/i2c_dev.c')
| -rw-r--r-- | apps/system/i2c/i2c_dev.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/apps/system/i2c/i2c_dev.c b/apps/system/i2c/i2c_dev.c deleted file mode 100644 index 3d0480a15..000000000 --- a/apps/system/i2c/i2c_dev.c +++ /dev/null @@ -1,235 +0,0 @@ -/**************************************************************************** - * apps/system/i2c/i2c_dev.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdlib.h> - -#include <nuttx/i2c.h> - -#include "i2ctool.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: i2ccmd_dev - ****************************************************************************/ - -int i2ccmd_dev(FAR struct i2ctool_s *i2ctool, int argc, char **argv) -{ - FAR struct i2c_dev_s *dev; - struct i2c_msg_s msg[2]; - FAR char *ptr; - union - { - uint16_t data16; - uint8_t data8; - } u; - - uint8_t regaddr; - long first; - long last; - int addr; - int nargs; - int argndx; - int ret; - int i; - int j; - - /* Parse any command line arguments */ - - for (argndx = 1; argndx < argc; ) - { - /* Break out of the look when the last option has been parsed */ - - ptr = argv[argndx]; - if (*ptr != '-') - { - break; - } - - /* Otherwise, check for common options */ - - nargs = common_args(i2ctool, &argv[argndx]); - if (nargs < 0) - { - return ERROR; - } - argndx += nargs; - } - - /* There should be exactly two more things on the command line: The first and - * last addresses to be probed. - */ - - if (argndx+1 < argc) - { - first = strtol(argv[argndx], NULL, 16); - last = strtol(argv[argndx+1], NULL, 16); - if (first < 0 || first > 0x7f || last < 0 || last > 0x7f || first > last) - { - i2ctool_printf(i2ctool, g_i2cargrange, argv[0]); - return ERROR; - } - - argndx += 2; - } - else - { - i2ctool_printf(i2ctool, g_i2cargrequired, argv[0]); - return ERROR; - } - - if (argndx != argc) - { - i2ctool_printf(i2ctool, g_i2ctoomanyargs, argv[0]); - return ERROR; - } - - /* Get a handle to the I2C bus */ - - dev = up_i2cinitialize(i2ctool->bus); - if (!dev) - { - i2ctool_printf(i2ctool, "Failed to get bus %d\n", i2ctool->bus); - return ERROR; - } - - /* Set the frequency and address (NOTE: Only 7-bit address supported now) */ - - I2C_SETFREQUENCY(dev, i2ctool->freq); - - /* Probe each address */ - - i2ctool_printf(i2ctool, " 0 1 2 3 4 5 6 7 8 9 a b c d e f\n"); - for (i = 0; i < 128; i += 16) - { - i2ctool_printf(i2ctool, "%02x: ", i); - for (j = 0; j < 16; j++) - { - /* Skip addresses that are out of the selected range */ - - addr = i+j; - if (addr < first || addr > last) - { - i2ctool_printf(i2ctool, " "); - continue; - } - - /* Set the I2C address */ - - I2C_SETADDRESS(dev, addr, 7); - - /* Set up data structures */ - - regaddr = 0; - - msg[0].addr = addr; - msg[0].flags = 0; - msg[0].buffer = ®addr; - msg[0].length = 1; - - msg[1].addr = addr; - msg[1].flags = I2C_M_READ; - if (i2ctool->width == 8) - { - msg[1].buffer = &u.data8; - msg[1].length = 1; - } - else - { - msg[1].buffer = (uint8_t*)&u.data16; - msg[1].length = 2; - } - - if (i2ctool->start) - { - ret = I2C_TRANSFER(dev, &msg[0], 1); - if (ret == OK) - { - ret = I2C_TRANSFER(dev, &msg[1], 1); - } - } - else - { - ret = I2C_TRANSFER(dev, msg, 2); - } - - if (ret == OK) - { - i2ctool_printf(i2ctool, "%02x ", addr); - } - else - { - i2ctool_printf(i2ctool, "-- "); - } - } - i2ctool_printf(i2ctool, "\n"); - i2ctool_flush(i2ctool); - } - - (void)up_i2cuninitialize(dev); - return OK; -} |