1 /**************************************************************************/
3 @file cmd_i2ceeprom_write.c
4 @author K. Townsend (microBuilder.eu)
6 @brief Code to execute for cmd_i2ceeprom_write in the 'core/cmd'
7 command-line interpretter.
11 Software License Agreement (BSD License)
13 Copyright (c) 2010, microBuilder SARL
16 Redistribution and use in source and binary forms, with or without
17 modification, are permitted provided that the following conditions are met:
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19 notice, this list of conditions and the following disclaimer.
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21 notice, this list of conditions and the following disclaimer in the
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23 3. Neither the name of the copyright holders nor the
24 names of its contributors may be used to endorse or promote products
25 derived from this software without specific prior written permission.
27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
28 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
29 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
30 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
31 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
32 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
33 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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38 /**************************************************************************/
41 #include "projectconfig.h"
42 #include "core/cmd/cmd.h"
43 #include "project/commands.h" // Generic helper functions
46 #include "drivers/storage/eeprom/eeprom.h"
48 /**************************************************************************/
50 Writes a single byte at the supplied EEPROM address
52 /**************************************************************************/
53 void cmd_i2ceeprom_write(uint8_t argc
, char **argv
)
58 // Try to convert supplied address to an integer
60 getNumber (argv
[0], &addr32
);
62 // Check for invalid values (getNumber may complain about this as well)
63 if (addr32
< 0 || eepromCheckAddress(addr32
))
65 printf("Address out of range %s", CFG_PRINTF_NEWLINE
);
69 // Address seems to be OK
70 addr
= (uint16_t)addr32
;
72 // Make sure this isn't in the reserved system config space
73 if (addr
<= CFG_EEPROM_RESERVED
)
75 printf("ERROR: Reserved address (0x%04X-0x%04X)%s", 0, CFG_EEPROM_RESERVED
, CFG_PRINTF_NEWLINE
);
79 // Try to convert supplied data to an integer
81 getNumber (argv
[1], &val32
);
83 // Check for invalid values (getNumber may complain about this as well)
84 if (val32
< 0 || val32
> 0xFF)
86 printf("Invalid Data: 0-255 or 0x00-0xFF required.%s", CFG_PRINTF_NEWLINE
);
90 // Data seems to be OK
93 // Write data at supplied address
94 eepromWriteU8(addr
, val
);
97 printf("0x%02X written at 0x%04X%s", val
, addr
, CFG_PRINTF_NEWLINE
);
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