_ReadRegister
if (_ReadRegister(IETP_MAX_X_AXIS, sizeof(buf), &buf) != B_OK) {
if (_ReadRegister(IETP_MAX_Y_AXIS, sizeof(buf), &buf) != B_OK) {
status_t _ReadRegister(uint16_t reg, size_t len, void *val);
result = _ReadRegister(RegEPCR, 1, &control);
result = _ReadRegister(RegEPDRL, 2, values);
result = _ReadRegister(RegEPCR, 1, &control);
status_t result = _ReadRegister(RegUSBC, 1, &control);
status_t result = _ReadRegister(RegPAR,
status_t result = _ReadRegister(RegNCR, 1, &control);
result = _ReadRegister(RegRCR, 1, &control);
result = _ReadRegister(RegGPCR, 1, &control);
result = _ReadRegister(RegGPR, 1, &control);
status_t result = _ReadRegister(RegRCR, 1, &control);
status_t result = _ReadRegister(RegRCR, 1, &control);
result = _ReadRegister(RegRCR, 1, &control);
status_t result = _ReadRegister(RegNSR, 1, ®isterValue);
result = _ReadRegister(RegNCR, 1, ®isterValue);
status_t _ReadRegister(uint8 reg, size_t size, uint8* buffer);