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| author | Kieran Cawthray <kieranc@gmail.com> | 2021-06-16 14:33:34 (GMT) |
|---|---|---|
| committer | Kieran Cawthray <kieranc@gmail.com> | 2021-06-16 14:33:34 (GMT) |
| commit | f5d756928ffef032fb5ac85e73f9a68b7b8f64dc (patch) | |
| tree | 907608958d0be8a97a3d646c842fde3095cef939 /src/drivers/TwiMaster.cpp | |
| parent | f2d01166c380b72ebcb13ef649def88ff4cf2d21 (diff) | |
| parent | e90e8c7426f9a44e696b208a5b393a60476a3d43 (diff) | |
Merge remote-tracking branch 'upstream/develop' into pinetimestyle
Diffstat (limited to 'src/drivers/TwiMaster.cpp')
| -rw-r--r-- | src/drivers/TwiMaster.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/TwiMaster.cpp b/src/drivers/TwiMaster.cpp index 7b6582d..fc9edf8 100644 --- a/src/drivers/TwiMaster.cpp +++ b/src/drivers/TwiMaster.cpp @@ -9,10 +9,12 @@ using namespace Pinetime::Drivers; // TODO use DMA/IRQ TwiMaster::TwiMaster(const Modules module, const Parameters& params) : module {module}, params {params} { - mutex = xSemaphoreCreateBinary(); } void TwiMaster::Init() { + if(mutex == nullptr) + mutex = xSemaphoreCreateBinary(); + NRF_GPIO->PIN_CNF[params.pinScl] = ((uint32_t) GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) | ((uint32_t) GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | ((uint32_t) GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos) | ((uint32_t) GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) | |