TUKS MCU Introductory course / TUKS-COURSE-2-LED

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Diff: main.c

Revision:
3:858ea360dbbe
Parent:
2:8c4e755038ce
Child:
5:9956a807573a
--- a/main.c	Fri Feb 24 22:46:53 2017 +0000
+++ b/main.c	Fri Feb 24 22:57:52 2017 +0000
@@ -15,8 +15,11 @@
 
     LED4_GPIO_CLK_ENABLE();
     LED5_GPIO_CLK_ENABLE();
+    UP_JOY_GPIO_CLK_ENABLE();
+    DOWN_JOY_GPIO_CLK_ENABLE();
     
     GPIO_InitTypeDef gpio;
+
     gpio.Mode = GPIO_MODE_OUTPUT_PP;
     gpio.Pull = GPIO_NOPULL;
     gpio.Speed = GPIO_SPEED_FREQ_LOW;
@@ -26,10 +29,30 @@
     gpio.Pin = LED5_PIN;
     HAL_GPIO_Init(LED5_GPIO_PORT, &gpio);
 
+
+    gpio.Mode = GPIO_MODE_INPUT;
+    gpio.Pull = GPIO_PULLDOWN;
+    gpio.Pin = UP_JOY_PIN;
+    HAL_GPIO_Init(UP_JOY_GPIO_PORT, &gpio);
+
+    gpio.Pin = DOWN_JOY_PIN;
+    HAL_GPIO_Init(DOWN_JOY_GPIO_PORT, &gpio);
+
+    HAL_GPIO_TogglePin(LED5_GPIO_PORT, LED5_PIN);
+    HAL_Delay(300);
+    HAL_GPIO_TogglePin(LED4_GPIO_PORT, LED4_PIN);
+    HAL_Delay(300);
+    HAL_GPIO_TogglePin(LED5_GPIO_PORT, LED5_PIN);
+    HAL_Delay(300);
+    HAL_GPIO_TogglePin(LED4_GPIO_PORT, LED4_PIN);
+    HAL_Delay(300);
+
     while (1) {
-        HAL_GPIO_TogglePin(LED5_GPIO_PORT, LED5_PIN);
-        HAL_Delay(300);
-        HAL_GPIO_TogglePin(LED4_GPIO_PORT, LED4_PIN);
+        GPIO_PinState state = HAL_GPIO_ReadPin(UP_JOY_GPIO_PORT,UP_JOY_PIN);
+        HAL_GPIO_WritePin(LED4_GPIO_PORT, LED4_PIN, state);
+
+        state = HAL_GPIO_ReadPin(DOWN_JOY_GPIO_PORT,DOWN_JOY_PIN);
+        HAL_GPIO_WritePin(LED5_GPIO_PORT, LED5_PIN, state);
     }
 }