2 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/include/samd.hpp b/src/drivers/include/samd.hpp
index 4a31a577..2640eb8b 100644
--- a/src/drivers/include/samd.hpp
+++ b/src/drivers/include/samd.hpp
@@ -52,6 +52,7 @@ class Samd {
   auto UpdateUsbStatus() -> void;
 
   auto ResetToFlashSamd() -> void;
+  auto PowerDown() -> void;
 
   static auto CreateReadPending() -> SemaphoreHandle_t;
 
diff --git a/src/drivers/samd.cpp b/src/drivers/samd.cpp
index 455e9ce5..176da241 100644
--- a/src/drivers/samd.cpp
+++ b/src/drivers/samd.cpp
@@ -138,6 +138,15 @@ auto Samd::ResetToFlashSamd() -> void {
   ESP_ERROR_CHECK(transaction.Execute());
 }
 
+auto Samd::PowerDown() -> void {
+  I2CTransaction transaction;
+  transaction.start()
+      .write_addr(kAddress, I2C_MASTER_WRITE)
+      .write_ack(Registers::kPowerControl, 0b1)
+      .stop();
+  ESP_ERROR_CHECK(transaction.Execute());
+}
+
 auto Samd::CreateReadPending() -> SemaphoreHandle_t {
   sReadPending = xSemaphoreCreateBinary();
   return sReadPending;