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added break if chip found and passes not found messages as debug_printf when probing

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This commit is contained in:
Vincent-FK 2021-03-16 08:55:33 +01:00
parent 87d400a345
commit c008cbfc1a
1 changed files with 9 additions and 7 deletions
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16
driver_pcal6416a.c
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@ -62,18 +62,20 @@ bool pcal6416a_init(void) {
// ERROR HANDLING; you can check errno to see what went wrong
return false;
}
/// Probing known I2C GPIO expander chips
for (i = 0, i2c_expander_addr = 0; i2c_chip[i].address; i++) {
/// Probing I2C GPIO expander chip
if (ioctl(fd_i2c_expander, I2C_SLAVE_FORCE, i2c_chip[i]) < 0 ||
pcal6416a_read_mask_interrupts() < 0) {
printf("In %s - Failed to acquire bus access and/or talk to slave %s at address 0x%02X.\n",
DEBUG_PRINTF("In %s - Failed to acquire bus access and/or talk to slave %s at address 0x%02X.\n",
__func__, i2c_chip[i].name, i2c_chip[i].address);
} else {
DEBUG_PRINTF("Found I2C gpio expander chip %s at address 0x%02X\n",
i2c_chip[i].name, i2c_chip[i].address);
i2c_expander_addr = i2c_chip[i].address;
}
} else {
DEBUG_PRINTF("Found I2C gpio expander chip %s at address 0x%02X\n",
i2c_chip[i].name, i2c_chip[i].address);
i2c_expander_addr = i2c_chip[i].address;
break;
}
}
/// GPIO expander chip found?