some stuff

labW6barnestr/Inc/led.h

@@ -0,0 +1,101 @@
+/*
+ * led.h
+ *
+ * Created on: Dec 10, 2021
+ * Author: Trevor Barnes
+ */
+
+#ifndef LED_H_
+#define LED_H_
+
+#include <inttypes.h>
+
+#define RCC_AHB1ENR (volatile uint32_t*) 0x40023830
+#define GPIOBEN 1
+#define GPIOB_MODER (volatile uint32_t*) 0x40020400
+#define GPIOB_PUPDR (volatile uint32_t*) 0x4002040C
+#define GPIOB_IDR (volatile uint32_t*) 0x40020410
+#define GPIOB_ODR (volatile uint32_t*) 0x40020414
+#define GPIOB_BSRR (volatile uint32_t*) 0x40020418
+
+#define ALL_LEDS (0b11110111111<<5)
+
+/*
+ * led_init()
+ * This function should:
+ * 		1. Enable the GPIOB in RCC_AHB1ENR
+ * 		2. Turn on to set LED0 - LED9 to output mode ("01")
+ */
+void led_init();
+
+/*
+ * led_allOn()
+ * 		1. Turn on all leds (hint use ODR or BSRR)
+ * 		Note you should not effect other pins on PortB
+ */
+void led_allOn();
+
+/*
+ * led_allOff()
+ * 		1. Turn off all leds (hint use ODR or BSRR)
+ * 		Note you should not effect other pins on PortB
+ */
+void led_allOff();
+
+/*
+ * led_on()
+ * 		Args: 0-9 to turn on specific led
+ * 		print error message is arg is out of range
+ */
+void led_on(uint8_t ledIndex);
+
+/*
+ * led_off()
+ * 		Args: 0-9 to turn off specific led
+ * 		print error message is arg is out of range
+ */
+void led_off(uint8_t ledIndex);
+
+
+/*
+ * led_scan()
+ * 		Scan the light across and back at the current speed
+ */
+void led_scan();
+
+/*
+ * led_flash()
+ * 		flash all of the lights 10 times at the current speed
+ */
+void led_flash();
+
+/*
+ * led_setSpeed (uint8_t speed)
+ * 		arg: speed (0 slow - 9 fast)
+ * 		Args out of range should print error to console
+ */
+void led_setSpeed(uint8_t speed);
+
+/*
+ * led_incSpeed()
+ * 		increases the speed by one
+ * 		if maxed out leaves the speed at the max value
+ */
+void led_incSpeed();
+
+/*
+ * led_decSpeed()
+ * 		decreases the speed by one
+ * 		if at zero should stay at zero
+ */
+void led_decSpeed();
+
+/*
+ * getCurrentSpeed
+ * 		returns the current speed
+ */
+uint8_t getCurrentSpeed();
+
+
+
+#endif