int
process_command(int argc, char** argv)
{
int status = 0;
if (strcmp(argv[1], "help") == 0) {
print_help();
return 0;
} else if (strcmp(argv[1], "version") == 0) {
print_version();
return 0;
} else if (strcmp(argv[1], "list") == 0) {
print_busses();
return 0;
} else if (strcmp(argv[1], "detect") == 0) {
if (argc == 3) {
int bus = strtol(argv[2], NULL, 0);
i2c_detect_devices(bus);
return 0;
} else {
print_command_error();
return 1;
}
} else if ((strcmp(argv[1], "get") == 0) || (strcmp(argv[1], "getrpt") == 0)) {
if (argc == 5) {
int interation = 0;
mraa_boolean_t should_repeat = strcmp(argv[1], "getrpt") == 0;
int bus = strtol(argv[2], NULL, 0);
uint8_t device_address = strtol(argv[3], NULL, 0);
uint8_t register_address = strtol(argv[4], NULL, 0);
// fprintf(stdout, "Device %02X, Register = %02X\n", device_address, register_address);
uint8_t data;
do {
if (i2c_get(bus, device_address, register_address, &data) == MRAA_SUCCESS) {
if (should_repeat)
fprintf(stdout, "%4d: ", interation);
fprintf(stdout, "Register %#02X = %#02X\n", register_address, data);
status = 0;
} else {
fprintf(stdout, "i2c get failed\n");
status = 1;
}
interation++;
usleep(10000);
} while (should_repeat && status == 0);
} else {
print_command_error();
status = 1;
}
return status;
} else if ((strcmp(argv[1], "set") == 0)) {
if (argc == 6) {
int bus = strtol(argv[2], NULL, 0);
uint8_t device_address = strtol(argv[3], NULL, 0);
uint8_t register_address = strtol(argv[4], NULL, 0);
uint8_t value = strtol(argv[5], NULL, 0);
fprintf(stdout, "Device %02X, Register = %02X, Value = %02X\n", device_address,
register_address, value);
if (i2c_set(bus, device_address, register_address, value) != MRAA_SUCCESS) {
fprintf(stdout, "i2c set failed\n");
return 0;
}
return 1;
} else {
print_command_error();
return 1;
}
} else {
print_command_error();
return 1;
}
}
int
process_command(int argc, char** argv)
{
if (strcmp(argv[1], "help") == 0) {
print_help();
return 0;
} else if (strcmp(argv[1], "version") == 0) {
print_version();
return 0;
} else if (strcmp(argv[1], "list") == 0) {
print_busses();
return 0;
} else if (strcmp(argv[1], "detect") == 0) {
if (argc == 3) {
int bus = strtol(argv[2], NULL, 0);
i2c_detect_devices(bus);
return 0;
} else {
print_command_error();
return 1;
}
} else if ((strcmp(argv[1], "get") == 0)) {
if (argc == 5) {
int bus = strtol(argv[2], NULL, 0);
uint8_t device_address = strtol(argv[3], NULL, 0);
uint8_t register_address = strtol(argv[4], NULL, 0);
// fprintf(stdout, "Device %02X, Register = %02X\n", device_address, register_address);
uint8_t data;
if (i2c_get(bus, device_address, register_address, &data) == MRAA_SUCCESS) {
fprintf(stdout, "Register %#02X = %#02X\n", register_address, data);
return 0;
} else {
fprintf(stdout, "i2c get failed\n");
return 1;
}
} else {
print_command_error();
return 1;
}
} else if ((strcmp(argv[1], "set") == 0)) {
if (argc == 6) {
int bus = strtol(argv[2], NULL, 0);
uint8_t device_address = strtol(argv[3], NULL, 0);
uint8_t register_address = strtol(argv[4], NULL, 0);
uint8_t value = strtol(argv[5], NULL, 0);
fprintf(stdout, "Device %02X, Register = %02X, Value = %02X\n", device_address,
register_address, value);
if (i2c_set(bus, device_address, register_address, value) != MRAA_SUCCESS) {
fprintf(stdout, "i2c set failed\n");
return 0;
}
return 1;
} else {
print_command_error();
return 1;
}
} else {
print_command_error();
return 1;
}
}
