diff options
| author | JF <jf@codingfield.com> | 2021-06-20 15:09:24 (GMT) |
|---|---|---|
| committer | Gitea <gitea@fake.local> | 2021-06-20 15:09:24 (GMT) |
| commit | d96395c81021778af35b8b4bf965bfe8663eb081 (patch) | |
| tree | 979e75d716bca8bcd69b86f24a2f2d0270a274d0 /src/drivers/TwiMaster.cpp | |
| parent | fb133a0167f7ea4281bca45be6efc928720d4f82 (diff) | |
| parent | 20a24f8cf56551eae1202f8dc5733bd0cf61adbf (diff) | |
Merge branch 'develop' of JF/PineTime into master
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) | |