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Diffstat (limited to 'src/drivers/TwiMaster.cpp')
-rw-r--r--src/drivers/TwiMaster.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/drivers/TwiMaster.cpp b/src/drivers/TwiMaster.cpp
index fc9edf81..456c3e64 100644
--- a/src/drivers/TwiMaster.cpp
+++ b/src/drivers/TwiMaster.cpp
@@ -12,9 +12,10 @@ TwiMaster::TwiMaster(const Modules module, const Parameters& params) : module {m
}
void TwiMaster::Init() {
+ sleeping = false;
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) |
@@ -176,11 +177,14 @@ void TwiMaster::Sleep() {
nrf_gpio_cfg_default(6);
nrf_gpio_cfg_default(7);
NRF_LOG_INFO("[TWIMASTER] Sleep");
+ sleeping = true;
}
void TwiMaster::Wakeup() {
- Init();
- NRF_LOG_INFO("[TWIMASTER] Wakeup");
+ if (sleeping) {
+ Init();
+ NRF_LOG_INFO("[TWIMASTER] Wakeup");
+ }
}
/* Sometimes, the TWIM device just freeze and never set the event EVENTS_LASTTX.
@@ -206,4 +210,4 @@ void TwiMaster::FixHwFreezed() {
// Re-enable I²C
twiBaseAddress->ENABLE = twi_state;
-} \ No newline at end of file
+}