diff options
Diffstat (limited to 'peripheral/libupm/src/at42qt1070/at42qt1070.cxx')
| -rw-r--r-- | peripheral/libupm/src/at42qt1070/at42qt1070.cxx | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/peripheral/libupm/src/at42qt1070/at42qt1070.cxx b/peripheral/libupm/src/at42qt1070/at42qt1070.cxx index f9207d2..fed9f38 100644 --- a/peripheral/libupm/src/at42qt1070/at42qt1070.cxx +++ b/peripheral/libupm/src/at42qt1070/at42qt1070.cxx @@ -28,7 +28,7 @@ #include <string> #include <stdexcept> -#include "at42qt1070.h" +#include "at42qt1070.hpp" using namespace upm; using namespace std; @@ -98,13 +98,21 @@ AT42QT1070::writeWord(uint8_t reg, uint16_t word) uint8_t AT42QT1070::readByte(uint8_t reg) { - return mraa_i2c_read_byte_data(m_i2c, reg); + int x = mraa_i2c_read_byte_data(m_i2c, reg); + if (x != -1) { + return (uint8_t) x; + } + return 0; } uint16_t AT42QT1070::readWord(uint8_t reg) { - return mraa_i2c_read_word_data(m_i2c, reg); + int x = mraa_i2c_read_word_data(m_i2c, reg); + if (x != -1) { + return (uint16_t) x; + } + return 0; } uint8_t |