From 81e79b731a64fa771659d5dc67996dc4ef9c0af0 Mon Sep 17 00:00:00 2001
From: TUNERC-Aria <71423100+TUNERC-Aria@users.noreply.github.com>
Date: Tue, 29 Oct 2024 15:19:54 +0800
Subject: [PATCH 1/3] Update target.h

Add the inverter's control pin for target TUNERCF405
---
 src/main/target/TUNERCF405/target.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/target/TUNERCF405/target.h b/src/main/target/TUNERCF405/target.h
index f193377c6ea..093da2fadf6 100644
--- a/src/main/target/TUNERCF405/target.h
+++ b/src/main/target/TUNERCF405/target.h
@@ -103,6 +103,9 @@
 #define USE_UART4
 #define UART4_RX_PIN            PA1
 #define UART4_TX_PIN            PA0
+#define USE_UART_INVERTER
+#define INVERTER_PIN_UART4_RX   PC14
+#define INVERTER_PIN_USART4_RX  PC14
 
 #define USE_UART5
 #define UART5_RX_PIN            PD2

From 44aca2a86bee25732ae686442736927e602a2aae Mon Sep 17 00:00:00 2001
From: TUNERC-Aria <71423100+TUNERC-Aria@users.noreply.github.com>
Date: Tue, 5 Nov 2024 17:42:56 +0800
Subject: [PATCH 2/3] Update target.h

Removed the wrong USART4
---
 src/main/target/TUNERCF405/target.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/main/target/TUNERCF405/target.h b/src/main/target/TUNERCF405/target.h
index 093da2fadf6..b359545e697 100644
--- a/src/main/target/TUNERCF405/target.h
+++ b/src/main/target/TUNERCF405/target.h
@@ -105,7 +105,6 @@
 #define UART4_TX_PIN            PA0
 #define USE_UART_INVERTER
 #define INVERTER_PIN_UART4_RX   PC14
-#define INVERTER_PIN_USART4_RX  PC14
 
 #define USE_UART5
 #define UART5_RX_PIN            PD2

From 95f0f47bdffa4a53f1bbf0aff9aeff4dd127d9bf Mon Sep 17 00:00:00 2001
From: TUNERC-Aria <71423100+TUNERC-Aria@users.noreply.github.com>
Date: Tue, 5 Nov 2024 23:59:17 +0800
Subject: [PATCH 3/3] Update uart_inverter.c

f405 does not have USART4.
---
 src/main/drivers/uart_inverter.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/drivers/uart_inverter.c b/src/main/drivers/uart_inverter.c
index b815883df79..5168831b471 100644
--- a/src/main/drivers/uart_inverter.c
+++ b/src/main/drivers/uart_inverter.c
@@ -145,7 +145,12 @@ void uartInverterSet(USART_TypeDef *USARTx, uartInverterLine_e line, bool enable
 
 // UART4
 #if defined(INVERTER_PIN_UART4_RX) || defined(INVERTER_PIN_UART4_TX)
-    if (USARTx == USART4) {
+#if defined(STM32F4)
+    if (USARTx == UART4)
+#else
+    if (USARTx == USART4)
+#endif
+    {
 #if defined(INVERTER_PIN_UART4_RX)
         rx_pin = IOGetByTag(IO_TAG(INVERTER_PIN_UART4_RX));
 #endif