Initial setup

.cproject

@@ -173,4 +173,5 @@
 			<autodiscovery enabled="false" problemReportingEnabled="true" selectedProfileId=""/>
 		</scannerConfigBuildInfo>
 	</storageModule>
+	<storageModule moduleId="refreshScope"/>
 </cproject>

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "limits.h": "c",
+        "main.h": "c"
+    }
+}

Core/Inc/main.h

@@ -61,6 +61,7 @@ void Error_Handler(void);
 /* Private defines -----------------------------------------------------------*/
 #define B1_Pin GPIO_PIN_13
 #define B1_GPIO_Port GPIOC
+#define B1_EXTI_IRQn EXTI15_10_IRQn
 #define LD1_Pin GPIO_PIN_0
 #define LD1_GPIO_Port GPIOB
 #define LD3_Pin GPIO_PIN_14

Core/Inc/neopixel.h

@@ -0,0 +1,110 @@
+/**
+  ******************************************************************************
+  * @file           : neopixel.h
+  * @brief          : Types and definitions for objects related to driving the
+  *                   NeoPixel LED string.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+#ifndef NEOPIXEL_H_      // Multi-include protection
+#define NEOPIXEL_H_
+
+
+/* Includes ------------------------------------------------------------------*/
+#include <stdint.h>
+#include <stdbool.h>
+
+/* Public define ------------------------------------------------------------*/
+
+#define NUM_OF_PIXELS_IN_PULSE_STRIP        60
+#define NUM_OF_PIXELS_IN_RING_STRIP         100
+#define NUM_OF_BITS_PER_PIXEL               24
+#define NUM_OF_FRAMES_PER_SECOND            30
+#define NUM_OF_SECONDS_OF_UNIQUE_ANIMATION  1
+#define NUM_OF_FRAMES                       (NUM_OF_FRAMES_PER_SECOND * NUM_OF_SECONDS_OF_UNIQUE_ANIMATION)
+
+#define LED_SETPOINT_MIN  0
+#define LED_SETPOINT_MAX  255
+
+#define ARR_SETPOINT                (80-1)  // ARR = Auto-Reload Register --> Register that sets the PWM frequency and is what effectively sets the reset point of the timer's counter
+// Duty cycle is set in the Capture/Compare Register (CRR) of a timer respective output channel, and is what effectively sets the point at which the PWM center edge occurs.
+#define DUTY_CYCLE_100_PCT          ARR_REGISTER_SETPOINT
+#define DUTY_CYCLE_0_PCT            0
+#define DUTY_CYCLE_ZERO_ENCODING    22  // 22 / 80 ~ 0.275 ==> 0.275 x 1,250ns = 343.8ns = 350ns - 6.2ns (which is within +/- 150ns spec)
+#define DUTY_CYCLE_ONE_ENCODING     45  // 45 / 80 ~ 0.560 ==> 0.560 x 1,250ns = 703.1ns = 700ns + 3.1ns (which is within +/- 150ns spec)
+#define DUTY_CYCLE_STOP_ENCODING    0   // Line needs to be low for at least 50us for the transmission to be interpreted as complete by the WS2812 module
+
+/* Public typedef -----------------------------------------------------------*/
+
+typedef uint8_t LEDSetpoint_T;  // Setpoint for a given LED is a value from 0 to 255, which is the same range as a byte
+
+// For convenience of looping through the bits for the LEDs, I'll want to place the LSB first and MSB last (since ARM is little-endian)
+struct Pixel_S
+{
+  LEDSetpoint_T blue;   // Will become LSB
+  LEDSetpoint_T red;
+  LEDSetpoint_T green;  // Will become MSB
+};
+
+union Pixel_U
+{
+  // TODO: Need to note whether the struct will take up the lower 3 bytes or the upper 3 bytes of this space...
+  struct Pixel_S rgb;
+  uint32_t pixel_word;
+};
+
+struct LED_Strip_Frame_S
+{
+    union Pixel_U LEDs[NUM_OF_PIXELS_IN_PULSE_STRIP];
+};
+
+enum RingBrightness_E
+{
+  BRIGHTNESS_OFF,
+  BRIGHTNESS_MIN,
+  BRIGHTNESS_LEVEL_1 = BRIGHTNESS_MIN,
+  BRIGHTNESS_LEVEL_2,
+  BRIGHTNESS_LEVEL_3,
+  BRIGHTNESS_LEVEL_4,
+  BRIGHTNESS_LEVEL_5,
+  BRIGHTNESS_MID = BRIGHTNESS_LEVEL_5,
+  BRIGHTNESS_LEVEL_6,
+  BRIGHTNESS_LEVEL_7,
+  BRIGHTNESS_LEVEL_8,
+  BRIGHTNESS_LEVEL_9,
+  BRIGHTNESS_LEVEL_10,
+  BRIGHTNESS_MAX = BRIGHTNESS_LEVEL_10,
+  NUM_OF_BRIGHTNESS_LEVELS
+};
+
+/* Private macro -------------------------------------------------------------*/
+
+
+
+/* Private variables ---------------------------------------------------------*/
+
+
+
+/* Public function prototypes ------------------------------------------------*/
+
+bool NeoPixel_PulseStrips_FillBuffer(uint8_t frame, uint32_t * buffer, uint32_t length);
+
+bool NeoPixel_RingStrip_FillBuffer(enum RingBrightness_E brightness, uint32_t * buffer, uint32_t length);
+
+bool NeoPixel_RingStrip_AllOff_FillBuffer(uint32_t * buffer, uint32_t length);
+
+bool NeoPixel_PulseStrips_AllOff_FillBuffer(uint32_t * buffer, uint32_t length);
+
+/* Private user code ---------------------------------------------------------*/
+
+#endif  // NEOPIXEL_H

Core/Inc/stm32h7xx_hal_conf.h

@@ -45,7 +45,7 @@
 /* #define HAL_DAC_MODULE_ENABLED   */
 /* #define HAL_DCMI_MODULE_ENABLED   */
 /* #define HAL_DMA2D_MODULE_ENABLED   */
-#define HAL_ETH_MODULE_ENABLED
+/* #define HAL_ETH_MODULE_ENABLED   */
 /* #define HAL_ETH_LEGACY_MODULE_ENABLED   */
 /* #define HAL_NAND_MODULE_ENABLED   */
 /* #define HAL_NOR_MODULE_ENABLED   */
@@ -81,7 +81,7 @@
 /* #define HAL_IRDA_MODULE_ENABLED   */
 /* #define HAL_SMARTCARD_MODULE_ENABLED   */
 /* #define HAL_WWDG_MODULE_ENABLED   */
-#define HAL_PCD_MODULE_ENABLED
+/* #define HAL_PCD_MODULE_ENABLED   */
 /* #define HAL_HCD_MODULE_ENABLED   */
 /* #define HAL_DFSDM_MODULE_ENABLED   */
 /* #define HAL_DSI_MODULE_ENABLED   */

Core/Inc/stm32h7xx_it.h

@@ -58,6 +58,7 @@ void SysTick_Handler(void);
 void DMA1_Stream0_IRQHandler(void);
 void DMA1_Stream1_IRQHandler(void);
 void DMA1_Stream2_IRQHandler(void);
+void EXTI15_10_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */