diff options
Diffstat (limited to 'src/drivers/TwiMaster.h')
| -rw-r--r-- | src/drivers/TwiMaster.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/drivers/TwiMaster.h b/src/drivers/TwiMaster.h index 6e3ff721..f3c87b0a 100644 --- a/src/drivers/TwiMaster.h +++ b/src/drivers/TwiMaster.h @@ -3,13 +3,13 @@ #include <semphr.h> #include <drivers/include/nrfx_twi.h> // NRF_TWIM_Type #include <cstdint> -#include <nrfx_twim.h> namespace Pinetime { namespace Drivers { class TwiMaster { public: enum class Modules { TWIM1 }; + enum class Frequencies {Khz100, Khz250, Khz400}; enum class ErrorCodes {NoError, TransactionFailed}; struct Parameters { uint32_t frequency; @@ -27,13 +27,19 @@ namespace Pinetime { void Wakeup(); private: - nrfx_twim_t twim; + + ErrorCodes Read(uint8_t deviceAddress, uint8_t* buffer, size_t size, bool stop); + ErrorCodes Write(uint8_t deviceAddress, const uint8_t* data, size_t size, bool stop); + void FixHwFreezed(); + NRF_TWIM_Type* twiBaseAddress; + SemaphoreHandle_t mutex; const Modules module; const Parameters params; - SemaphoreHandle_t mutex; - static constexpr uint8_t maxDataSize{8}; + static constexpr uint8_t maxDataSize{16}; static constexpr uint8_t registerSize{1}; uint8_t internalBuffer[maxDataSize + registerSize]; + uint32_t txStartedCycleCount = 0; + static constexpr uint32_t HwFreezedDelay{161000}; }; } }
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