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Add support for 24C2048 (256KiB I²C) EEPROM chips #49

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Add support for 24C2048 (256KiB I²C) EEPROM chips #49

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3 changes: 2 additions & 1 deletion src/ch341a_i2c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

#include <stdint.h>

#define MAX_EEPROM_SIZE 131072 /* For 24c1024*/
#define MAX_EEPROM_SIZE 262144 /* For 24c2048*/

#define EEPROM_I2C_BUS_ADDRESS 0x50

Expand Down Expand Up @@ -358,6 +358,7 @@ const static struct EEPROM eepromlist[] = {
{ "24c256", 32768, 32/*64*/, 2, 0x00 },
{ "24c512", 65536, 32/*128*/, 2, 0x00 },
{ "24c1024", 131072, 32/*128*/, 2, 0x01 },
{ "24c2048", 262144, 32/*256*/, 2, 0x03 },
{ 0, 0, 0, 0 }
};

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2 changes: 1 addition & 1 deletion src/main.c
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Expand Up @@ -40,7 +40,7 @@ extern char eepromname[12];
extern int eepromsize;
extern int mw_eepromsize;
extern int org;
#define EHELP " -E select I2C EEPROM {24c01|24c02|24c04|24c08|24c16|24c32|24c64|24c128|24c256|24c512|24c1024}\n" \
#define EHELP " -E select I2C EEPROM {24c01|24c02|24c04|24c08|24c16|24c32|24c64|24c128|24c256|24c512|24c1024|24c2048}\n" \
" select Microwire EEPROM {93c06|93c16|93c46|93c56|93c66|93c76|93c86|93c96} (need SPI-to-MW adapter)\n" \
" -8 set organization 8-bit for Microwire EEPROM(default 16-bit) and set jumper on SPI-to-MW adapter\n" \
" -f <addr len> set manual address size in bits for Microwire EEPROM(default auto)\n"
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