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at42qt1070: throw exception(s) on fatal errors

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson 2015-09-09 15:52:54 -06:00 committed by Mihai Tudor Panu
parent 1eb9e7b9dc
commit b8af35a797
1 changed files with 8 additions and 7 deletions
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15
src/at42qt1070/at42qt1070.cxx
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@ -40,15 +40,16 @@ AT42QT1070::AT42QT1070(int bus, uint8_t address)
// setup our i2c link
if (!(m_i2c = mraa_i2c_init(bus))) {
cerr << __FUNCTION__ << ": mraa_i2c_init() failed." << endl;
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
return;
}
mraa_result_t rv;
if ((rv = mraa_i2c_address(m_i2c, m_addr)) != MRAA_SUCCESS) {
cerr << __FUNCTION__ << ": Could not initialize i2c bus. " << endl;
mraa_result_print(rv);
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_address() failed");
return;
}
@ -72,8 +73,8 @@ AT42QT1070::writeByte(uint8_t reg, uint8_t byte)
mraa_result_t rv = mraa_i2c_write_byte_data(m_i2c, byte, reg);
if (rv != MRAA_SUCCESS) {
cerr << __FUNCTION__ << ": mraa_i2c_write_byte() failed." << endl;
mraa_result_print(rv);
throw std::runtime_error(std::string(__FUNCTION__) +
": mraa_i2c_write_byte() failed");
return false;
}
@ -86,8 +87,8 @@ AT42QT1070::writeWord(uint8_t reg, uint16_t word)
mraa_result_t rv = mraa_i2c_write_word_data(m_i2c, word, reg);
if (rv != MRAA_SUCCESS) {
cerr << __FUNCTION__ << ": mraa_i2c_write_word() failed." << endl;
mraa_result_print(rv);
throw std::runtime_error(std::string(__FUNCTION__) +
": mraa_i2c_write_word() failed");
return false;
}