From 06924bf3e20edb709e2c0ee4e3d8c1e33ce599b9 Mon Sep 17 00:00:00 2001
From: AceVest <zhaoyanbai@126.com>
Date: Wed, 5 Jun 2019 10:38:48 +0800
Subject: [PATCH] F103RE GPIO KEY1 INPUT

---
 learn/stm32/F103RE/F103RE.ioc | 23 ++++++++++++++---------
 learn/stm32/F103RE/Inc/main.h |  2 ++
 learn/stm32/F103RE/Src/gpio.c |  7 +++++++
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/learn/stm32/F103RE/F103RE.ioc b/learn/stm32/F103RE/F103RE.ioc
index c5f3bef..81c7f01 100644
--- a/learn/stm32/F103RE/F103RE.ioc
+++ b/learn/stm32/F103RE/F103RE.ioc
@@ -10,14 +10,15 @@ Mcu.Name=STM32F103R(C-D-E)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PD0-OSC_IN
 Mcu.Pin1=PD1-OSC_OUT
-Mcu.Pin2=PA4
-Mcu.Pin3=PA5
-Mcu.Pin4=PA6
-Mcu.Pin5=PA7
-Mcu.Pin6=PA13
-Mcu.Pin7=PA14
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.PinsNb=9
+Mcu.Pin2=PC0
+Mcu.Pin3=PA4
+Mcu.Pin4=PA5
+Mcu.Pin5=PA6
+Mcu.Pin6=PA7
+Mcu.Pin7=PA13
+Mcu.Pin8=PA14
+Mcu.Pin9=VP_SYS_VS_Systick
+Mcu.PinsNb=10
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103RETx
@@ -26,7 +27,7 @@ MxDb.Version=DB.5.0.20
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
-NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+NVIC.MemoryManagement_IRQn=true\:0\:0\:true\:false\:true\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
@@ -59,6 +60,10 @@ PA7.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
 PA7.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
 PA7.Locked=true
 PA7.Signal=GPIO_Output
+PC0.GPIOParameters=GPIO_Label
+PC0.GPIO_Label=KEY1
+PC0.Locked=true
+PC0.Signal=GPIO_Input
 PCC.Checker=false
 PCC.Line=STM32F103
 PCC.MCU=STM32F103R(C-D-E)Tx
diff --git a/learn/stm32/F103RE/Inc/main.h b/learn/stm32/F103RE/Inc/main.h
index f0f5f32..db628f8 100644
--- a/learn/stm32/F103RE/Inc/main.h
+++ b/learn/stm32/F103RE/Inc/main.h
@@ -58,6 +58,8 @@ void Error_Handler(void);
 /* USER CODE END EFP */
 
 /* Private defines -----------------------------------------------------------*/
+#define KEY1_Pin GPIO_PIN_0
+#define KEY1_GPIO_Port GPIOC
 #define LED1_Pin GPIO_PIN_4
 #define LED1_GPIO_Port GPIOA
 #define LED2_Pin GPIO_PIN_5
diff --git a/learn/stm32/F103RE/Src/gpio.c b/learn/stm32/F103RE/Src/gpio.c
index 4a612f8..007b707 100644
--- a/learn/stm32/F103RE/Src/gpio.c
+++ b/learn/stm32/F103RE/Src/gpio.c
@@ -44,11 +44,18 @@ void MX_GPIO_Init(void)
 
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOA, LED1_Pin|LED2_Pin|LED3_Pin|LED4_Pin, GPIO_PIN_RESET);
 
+  /*Configure GPIO pin : PtPin */
+  GPIO_InitStruct.Pin = KEY1_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(KEY1_GPIO_Port, &GPIO_InitStruct);
+
   /*Configure GPIO pins : PAPin PAPin PAPin PAPin */
   GPIO_InitStruct.Pin = LED1_Pin|LED2_Pin|LED3_Pin|LED4_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-- 
2.44.0