From a88261240326be9c51c8dbdea5962f4e5706395b Mon Sep 17 00:00:00 2001
From: k2-alfadhala <khalid2.al-fadhala@live.uwe.ac.uk>
Date: Sat, 22 Jul 2023 22:57:19 +0000
Subject: [PATCH] added updates main.c
---
Lab3/Src/main.c | 117 ++++++++++++++++++++++++++++++------------------
1 file changed, 74 insertions(+), 43 deletions(-)
diff --git a/Lab3/Src/main.c b/Lab3/Src/main.c
index f7cd805..00ba774 100644
--- a/Lab3/Src/main.c
+++ b/Lab3/Src/main.c
@@ -12,13 +12,20 @@
#include "main.h"
-//declaration for the GPIO pins for the LED
+// Declaration for the GPIO pins for the LED
#define LED2_PIN GPIO_PIN_14
#define LED2_GPIO_PORT GPIOB
#define LED2_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define LED2_GPIO_CLK_DISABLE() __HAL_RCC_GPIOB_CLK_DISABLE()
+// Declaration for the GPIO pins for the wakeup Button
+
+#define BLUE_BUTTON_PIN GPIO_PIN_13
+#define BLUE_BUTTON_GPIO_PORT GPIOC
+#define BLUE_BUTTON_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
+#define BLUE_BUTTON_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
+
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
void LED2_Init(void);
@@ -27,38 +34,56 @@ void LED2_Off(void);
void LED2_DeInit(void);
void LED2_Toggle(void);
+void Blue_PB_Init(void);
+void Blue_PB_DeInit(void);
+uint32_t Blue_PB_GetState(void);
+
int main(void)
{
-/* STM32L4xx HAL library initialization:
- - Configure the Flash prefetch, Flash preread and Buffer caches
- - Systick timer is configured by default as source of time base, but user
- can eventually implement his proper time base source (a general purpose
- timer for example or other time source), keeping in mind that Time base
- duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
- handled in milliseconds basis.
- - Low Level Initialization
- */
+ /* STM32L4xx HAL library initialization:
+ - Configure the Flash prefetch, Flash preread and Buffer caches
+ - Systick timer is configured by default as source of time base, but user
+ can eventually implement his proper time base source (a general purpose
+ timer for example or other time source), keeping in mind that Time base
+ duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
+ handled in milliseconds basis.
+ - Low Level Initialization
+ */
HAL_Init();
/* Configure the System clock to have a frequency of 80 MHz */
SystemClock_Config();
/* Configure the User LED */
-
LED2_Init();
- /* turn the LED on */
- LED2_On();
-
- /* loop for ever */
- while (1)
- {
- LED2_On();
- HAL_Delay(1000); //delay for 1000 milliseconds - namely 1 second
- LED2_Off();
- HAL_Delay(1000); //delay for 1000 milliseconds - namely 1 second
- }
+ /* Configure the blue button */
+ Blue_PB_Init();
+
+ /* Turn the LED off initially */
+ LED2_Off();
+
+ /* Loop forever */
+ while (1)
+ {
+ uint32_t but_state = Blue_PB_GetState();
+ if (but_state == 1)
+ {
+ LED2_On();
+ HAL_Delay(200);
+ LED2_Off();
+ HAL_Delay(200);
+ LED2_On();
+ HAL_Delay(200);
+ LED2_Off();
+ HAL_Delay(200);
+ }
+ else
+ {
+ LED2_Off();
+ }
+ }
}
static void SystemClock_Config(void)
@@ -98,13 +123,8 @@ static void SystemClock_Config(void)
}
}
-/*
-Inititalise the LED2 GPIO port
-*/
-
void LED2_Init(void)
{
-
GPIO_InitTypeDef gpio_init_structure;
LED2_GPIO_CLK_ENABLE();
@@ -117,12 +137,7 @@ void LED2_Init(void)
HAL_GPIO_Init(LED2_GPIO_PORT, &gpio_init_structure);
}
-/*
-
-deinit the GPIO for LED2
-
-*/
-void LED2_DeInit()
+void LED2_DeInit(void)
{
GPIO_InitTypeDef gpio_init_structure;
@@ -134,21 +149,11 @@ void LED2_DeInit()
HAL_GPIO_DeInit(LED2_GPIO_PORT, gpio_init_structure.Pin);
}
-
-/*
-
-Turn LED2 on
-
-*/
void LED2_On(void)
{
HAL_GPIO_WritePin(LED2_GPIO_PORT, LED2_PIN, GPIO_PIN_SET);
}
-/*
-turn LED2 off
-*/
-
void LED2_Off(void)
{
HAL_GPIO_WritePin(LED2_GPIO_PORT, LED2_PIN, GPIO_PIN_RESET);
@@ -159,3 +164,29 @@ void LED2_Toggle(void)
HAL_GPIO_TogglePin(LED2_GPIO_PORT, LED2_PIN);
}
+void Blue_PB_Init(void)
+{
+ GPIO_InitTypeDef gpio_init_structure;
+
+ /* Enable the BUTTON clock */
+ BLUE_BUTTON_GPIO_CLK_ENABLE();
+
+ /* Configure Button pin as input */
+ gpio_init_structure.Pin = BLUE_BUTTON_PIN;
+ gpio_init_structure.Mode = GPIO_MODE_INPUT;
+ gpio_init_structure.Pull = GPIO_PULLUP;
+ gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
+ HAL_GPIO_Init(BLUE_BUTTON_GPIO_PORT, &gpio_init_structure);
+}
+
+void Blue_PB_DeInit(void)
+{
+ GPIO_InitTypeDef gpio_init_structure;
+ gpio_init_structure.Pin = BLUE_BUTTON_PIN;
+ HAL_GPIO_DeInit(BLUE_BUTTON_GPIO_PORT, gpio_init_structure.Pin);
+}
+
+uint32_t Blue_PB_GetState(void)
+{
+ return HAL_GPIO_ReadPin(BLUE_BUTTON_GPIO_PORT, BLUE_BUTTON_PIN);
+}
--
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