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-rw-r--r--digital/beacon/src/debug_avr.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/digital/beacon/src/debug_avr.c b/digital/beacon/src/debug_avr.c
index 7ebf1e18..70618037 100644
--- a/digital/beacon/src/debug_avr.c
+++ b/digital/beacon/src/debug_avr.c
@@ -36,18 +36,17 @@
#include "misc.h"
#include "position.h"
-HAL_UsartDescriptor_t appUsartDescriptor; // USART descriptor (required by stack)
-HAL_AppTimer_t debugTimer; // TIMER descripor used by the DEBUG task
+static HAL_UsartDescriptor_t appUsartDescriptor; // USART descriptor (required by stack)
+static HAL_AppTimer_t debugTimer; // TIMER descripor used by the DEBUG task
-uint8_t usartRxBuffer[APP_USART_RX_BUFFER_SIZE]; // USART Rx buffer
-uint8_t usartTxBuffer[APP_USART_TX_BUFFER_SIZE]; // USART Tx buffer
+static uint8_t usartRxBuffer[APP_USART_RX_BUFFER_SIZE]; // USART Rx buffer
+static uint8_t usartTxBuffer[APP_USART_TX_BUFFER_SIZE]; // USART Tx buffer
-TUSART_buffer_level TXbuffer_level = EMPTY; // TX buffer state
-TUSART_bus_state TXbus_state = FREE; // TX line state
-
-uint16_t start_offset = 0; // Start offset for TX buffer
-uint16_t end_offset = 0; // Stop offset for TX buffer
+static TUSART_buffer_level TXbuffer_level = EMPTY; // TX buffer state
+static TUSART_bus_state TXbus_state = FREE; // TX line state
+static uint16_t start_offset = 0; // Start offset for TX buffer
+static uint16_t end_offset = 0; // Stop offset for TX buffer
/* This function initializes the USART interface for debugging on avr */