From ba940baa0aff05ad26d265f32f1d185a1f410373 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Fri, 29 Sep 2023 15:17:10 +1000
Subject: Add a lock around the SPI bus

This seems to have been the cause of recurring deadlocks that have been
difficult to repo.
---
 src/drivers/include/spi.hpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/drivers/include')

diff --git a/src/drivers/include/spi.hpp b/src/drivers/include/spi.hpp
index 7dbc2aae..60638f71 100644
--- a/src/drivers/include/spi.hpp
+++ b/src/drivers/include/spi.hpp
@@ -6,11 +6,13 @@
 
 #pragma once
 
+#include <mutex>
 #include "esp_err.h"
 
 namespace drivers {
 
 esp_err_t init_spi(void);
 esp_err_t deinit_spi(void);
+std::lock_guard<std::mutex> acquire_spi(void);
 
 }  // namespace drivers
-- 
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