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@ -33,17 +33,17 @@ |
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static void help(void) |
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{ |
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fprintf(stderr, |
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"Usage: i2cdump [-f] [-y] [-r first-last] I2CBUS ADDRESS [MODE] [BANK [BANKREG]]\n" |
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" I2CBUS is an integer or an I2C bus name\n" |
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" ADDRESS is an integer (0x03 - 0x77)\n" |
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" MODE is one of:\n" |
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"Usage: i2cdump [-f] [-y] [-r first-last] I2CBUS ADDRESS [MODE] [BANK [BANKREG]]\n" |
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" I2CBUS is an integer or an I2C bus name\n" |
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" ADDRESS is an integer (0x03 - 0x77)\n" |
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" MODE is one of:\n" |
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" b (byte, default)\n" |
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" w (word)\n" |
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" W (word on even register addresses)\n" |
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" s (SMBus block)\n" |
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" i (I2C block)\n" |
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" c (consecutive byte)\n" |
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" Append p for SMBus PEC\n"); |
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" c (consecutive byte)\n" |
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" Append p for SMBus PEC\n"); |
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} |
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int main(int argc, char *argv[]) |
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@ -153,13 +153,13 @@ int main(int argc, char *argv[]) |
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bankreg = strtol(argv[flags+5], &end, 0); |
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if (*end || size == I2C_SMBUS_BLOCK_DATA) { |
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fprintf(stderr, "Error: Invalid bank register " |
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"number!\n"); |
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"number!\n"); |
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help(); |
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exit(1); |
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} |
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if (bankreg < 0 || bankreg > 0xff) { |
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fprintf(stderr, "Error: bank out of range " |
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"(0-0xff)!\n"); |
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"(0-0xff)!\n"); |
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help(); |
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exit(1); |
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} |
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@ -194,7 +194,7 @@ int main(int argc, char *argv[]) |
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/* Fall through */ |
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default: |
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fprintf(stderr, |
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"Error: Range parameter not compatible with selected mode!\n"); |
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"Error: Range parameter not compatible with selected mode!\n"); |
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exit(1); |
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} |
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} |
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@ -207,7 +207,7 @@ int main(int argc, char *argv[]) |
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/* check adapter functionality */ |
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if (ioctl(file, I2C_FUNCS, &funcs) < 0) { |
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fprintf(stderr, "Error: Could not get the adapter " |
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"functionality matrix: %s\n", strerror(errno)); |
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"functionality matrix: %s\n", strerror(errno)); |
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exit(1); |
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} |
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@ -248,8 +248,8 @@ int main(int argc, char *argv[]) |
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case I2C_SMBUS_I2C_BLOCK_DATA: |
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if (!(funcs & I2C_FUNC_SMBUS_READ_I2C_BLOCK)) { |
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fprintf(stderr, "Error: Adapter for i2c bus %d does " |
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"not have i2c block read capability\n", |
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i2cbus); |
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"not have i2c block read capability\n", |
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i2cbus); |
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exit(1); |
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} |
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break; |
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@ -261,42 +261,42 @@ int main(int argc, char *argv[]) |
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if (pec) { |
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if (ioctl(file, I2C_PEC, 1) < 0) { |
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fprintf(stderr, "Error: Could not set PEC: %s\n", |
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strerror(errno)); |
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strerror(errno)); |
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exit(1); |
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} |
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if (!(funcs & (I2C_FUNC_SMBUS_PEC | I2C_FUNC_I2C))) { |
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fprintf(stderr, "Warning: Adapter for i2c bus %d does " |
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"not seem to actually support PEC\n", i2cbus); |
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"not seem to actually support PEC\n", i2cbus); |
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} |
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} |
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if (!yes) { |
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fprintf(stderr, "WARNING! This program can confuse your I2C " |
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"bus, cause data loss and worse!\n"); |
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"bus, cause data loss and worse!\n"); |
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fprintf(stderr, "I will probe file %s, address 0x%x, mode " |
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"%s\n", filename, address, |
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size == I2C_SMBUS_BLOCK_DATA ? "smbus block" : |
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size == I2C_SMBUS_I2C_BLOCK_DATA ? "i2c block" : |
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size == I2C_SMBUS_BYTE ? "byte consecutive read" : |
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size == I2C_SMBUS_BYTE_DATA ? "byte" : "word"); |
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"%s\n", filename, address, |
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size == I2C_SMBUS_BLOCK_DATA ? "smbus block" : |
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size == I2C_SMBUS_I2C_BLOCK_DATA ? "i2c block" : |
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size == I2C_SMBUS_BYTE ? "byte consecutive read" : |
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size == I2C_SMBUS_BYTE_DATA ? "byte" : "word"); |
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if (pec) |
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fprintf(stderr, "PEC checking enabled.\n"); |
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if (even) |
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fprintf(stderr, "Only probing even register " |
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"addresses.\n"); |
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"addresses.\n"); |
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if (bank) { |
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if (size == I2C_SMBUS_BLOCK_DATA) |
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fprintf(stderr, "Using command 0x%02x.\n", |
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bank); |
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bank); |
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else |
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fprintf(stderr, "Probing bank %d using bank " |
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"register 0x%02x.\n", bank, bankreg); |
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"register 0x%02x.\n", bank, bankreg); |
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} |
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if (range) { |
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fprintf(stderr, |
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"Probe range limited to 0x%02x-0x%02x.\n", |
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first, last); |
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"Probe range limited to 0x%02x-0x%02x.\n", |
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first, last); |
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} |
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fprintf(stderr, "Continue? [Y/n] "); |
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@ -346,7 +346,7 @@ int main(int argc, char *argv[]) |
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} |
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if (res <= 0) { |
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fprintf(stderr, "Error: Block read failed, " |
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"return code %d\n", res); |
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"return code %d\n", res); |
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exit(1); |
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} |
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if (res >= 256) |
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@ -362,7 +362,7 @@ int main(int argc, char *argv[]) |
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res = i2c_smbus_write_byte(file, first); |
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if(res != 0) { |
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fprintf(stderr, "Error: Write start address " |
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"failed, return code %d\n", res); |
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"failed, return code %d\n", res); |
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exit(1); |
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} |
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} |
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@ -395,7 +395,7 @@ int main(int argc, char *argv[]) |
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i2c_smbus_read_byte_data(file, i+j); |
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} else if (size == I2C_SMBUS_WORD_DATA) { |
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res = i2c_smbus_read_word_data(file, |
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i+j); |
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i+j); |
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if (res < 0) { |
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block[i+j] = res; |
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block[i+j+1] = res; |
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Jean Delvare
18 years ago