From 5108ecf759924bffd153bfc50c1b01a00b0f13a0 Mon Sep 17 00:00:00 2001
From: dragonmux <git@dragonmux.network>
Date: Fri, 19 Aug 2022 10:41:28 +0100
Subject: [PATCH] aux_serial: tx_buf -> aux_serial_transmit_buffer

---
 src/platforms/common/aux_serial.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/platforms/common/aux_serial.c b/src/platforms/common/aux_serial.c
index 32fe56a..21a8915 100644
--- a/src/platforms/common/aux_serial.c
+++ b/src/platforms/common/aux_serial.c
@@ -35,12 +35,11 @@
 #include "aux_serial.h"
 
 #if defined(STM32F0) || defined(STM32F1) || defined(STM32F3) || defined(STM32F4)
-/* TX double buffer */
-char buf_tx[TX_BUF_SIZE * 2];
+static char aux_serial_transmit_buffer[TX_BUF_SIZE * 2];
 /* Active buffer part idx */
-uint8_t buf_tx_act_idx;
+static uint8_t buf_tx_act_idx;
 #elif defined(LM4F)
-char buf_tx[FIFO_SIZE];
+static char aux_serial_transmit_buffer[FIFO_SIZE];
 #endif
 
 void aux_serial_set_encoding(struct usb_cdc_line_coding *coding)
@@ -91,7 +90,7 @@ void aux_serial_set_encoding(struct usb_cdc_line_coding *coding)
 void aux_serial_switch_transmit_buffers(void)
 {
 	/* Select buffer for transmission */
-	char *const tx_buf_ptr = &buf_tx[buf_tx_act_idx * TX_BUF_SIZE];
+	char *const tx_buf_ptr = &aux_serial_transmit_buffer[buf_tx_act_idx * TX_BUF_SIZE];
 
 	/* Configure DMA */
 	dma_set_memory_address(USBUSART_DMA_BUS, USBUSART_DMA_TX_CHAN, (uintptr_t)tx_buf_ptr);
@@ -105,12 +104,12 @@ void aux_serial_switch_transmit_buffers(void)
 
 char *aux_serial_current_transmit_buffer(void)
 {
-	return buf_tx + (buf_tx_act_idx * TX_BUF_SIZE);
+	return aux_serial_transmit_buffer + (buf_tx_act_idx * TX_BUF_SIZE);
 }
 #elif defined(LM4F)
 
 char *aux_serial_current_transmit_buffer(void)
 {
-	return buf_tx;
+	return aux_serial_transmit_buffer;
 }
 #endif