Setup project

16 files changed, 871 insertions, 0 deletions

diff --git a/project/Core/Inc/GPIO.h b/project/Core/Inc/GPIO.h
new file mode 100644
index 0000000..cb602d8
--- /dev/null
+++ b/project/Core/Inc/GPIO.h
@@ -0,0 +1,18 @@
+/*
+ * gpio.h
+ *
+ *  Created on: Nov 4, 2021
+ *      Author: Mitesh Parikh
+ */
+
+#ifndef INC_GPIO_H_
+#define INC_GPIO_H_
+
+#include "main.h"
+
+#define S1_Pin GPIO_PIN_9
+#define S1_GPIO_Port GPIOA
+
+void GPIO_Init(void);
+
+#endif /* INC_GPIO_H_ */
diff --git a/project/Core/Inc/LED.h b/project/Core/Inc/LED.h
new file mode 100644
index 0000000..464b56b
--- /dev/null
+++ b/project/Core/Inc/LED.h
@@ -0,0 +1,12 @@
+#ifndef __NUCLEO476_LED_H
+#define __NUCLEO476_LED_H
+
+#include "stm32l476xx.h"
+
+void LED_Init(void);
+
+void LED_Off(void);
+void LED_On(void);
+void LED_Toggle(void);
+
+#endif /* __NUCLEO476_LED_H */
diff --git a/project/Core/Inc/SysClock.h b/project/Core/Inc/SysClock.h
new file mode 100644
index 0000000..338ec88
--- /dev/null
+++ b/project/Core/Inc/SysClock.h
@@ -0,0 +1,11 @@
+#ifndef __NUCLEO476_CLOCK_H
+#define __NUCLEO476_CLOCK_H
+
+#include "stm32l476xx.h"
+
+void System_Clock_Init(void);
+
+#endif /* __NUCLEO476_CLOCK_H */
+
+
+
diff --git a/project/Core/Inc/UART.h b/project/Core/Inc/UART.h
new file mode 100644
index 0000000..e9c0f33
--- /dev/null
+++ b/project/Core/Inc/UART.h
@@ -0,0 +1,18 @@
+#ifndef __NUCLEO476_UART_H
+#define __NUCLEO476_UART_H
+
+#include "stm32l476xx.h"
+
+#define BUFFER_SIZE (32)
+
+void UART2_Init(void);
+void UART2_GPIO_Init(void);
+void USART1_IRQHandler(void);
+void USART2_IRQHandler(void);
+void USART_Init(USART_TypeDef * USARTx);
+void USART_Write(USART_TypeDef * USARTx, uint8_t *buffer, uint32_t nBytes);
+uint8_t   USART_Read(USART_TypeDef * USARTx);
+void USART_Delay(uint32_t us);
+void USART_IRQHandler(USART_TypeDef * USARTx, uint8_t *buffer, uint32_t * pRx_counter);
+
+#endif /* __NUCLEO476_UART_H */
diff --git a/project/Core/Inc/adc.h b/project/Core/Inc/adc.h
new file mode 100644
index 0000000..15713a8
--- /dev/null
+++ b/project/Core/Inc/adc.h
@@ -0,0 +1,19 @@
+/*
+ * adc.h
+ *
+ *  Created on: Apr 13, 2022
+ *      Author: bruce
+ */
+
+#ifndef INC_ADC_H_
+#define INC_ADC_H_
+
+#include "stm32l4xx.h"
+
+#define ADC_CHANNEL ADC_CHANNEL_5 // A0 on the left connector
+
+void ADC_Init ();
+void ADC_Start ();
+uint32_t ADC_Read_Value_Blocking ();
+
+#endif /* INC_ADC_H_ */
diff --git a/project/Core/Inc/adc_demo.h b/project/Core/Inc/adc_demo.h
new file mode 100644
index 0000000..d9a4365
--- /dev/null
+++ b/project/Core/Inc/adc_demo.h
@@ -0,0 +1,16 @@
+/*
+ * adc_demo.h
+ *
+ *  Created on: Apr 13, 2022
+ *      Author: bruce
+ */
+
+#ifndef INC_ADC_DEMO_H_
+#define INC_ADC_DEMO_H_
+
+#define TRUE (1)
+#define FALSE (0)
+
+void run_adc_dac_demo();
+
+#endif /* INC_ADC_DEMO_H_ */
diff --git a/project/Core/Inc/dac.h b/project/Core/Inc/dac.h
new file mode 100644
index 0000000..6425c77
--- /dev/null
+++ b/project/Core/Inc/dac.h
@@ -0,0 +1,19 @@
+/*
+ * dac.h
+ *
+ *  Created on: Apr 13, 2022
+ *      Author: bruce
+ */
+
+#ifndef INC_DAC_H_
+#define INC_DAC_H_
+
+#include "stm32l4xx.h"
+
+// Uses A2 on the right connector
+
+void DAC_Init ();
+void DAC_Start ();
+void DAC_Set_Value (uint32_t value);
+
+#endif /* INC_DAC_H_ */
diff --git a/project/Core/Inc/demo.h b/project/Core/Inc/demo.h
new file mode 100644
index 0000000..2375f00
--- /dev/null
+++ b/project/Core/Inc/demo.h
@@ -0,0 +1,13 @@
+// SWEN 340 Demo code header file
+// Larry Kiser copyright 2021
+
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DEMO_H
+#define __DEMO_H
+
+
+void run_demo( void ) ;
+
+#endif /* __DEMO_H */
diff --git a/project/Core/Inc/error_handler.h b/project/Core/Inc/error_handler.h
new file mode 100644
index 0000000..5a1f3ca
--- /dev/null
+++ b/project/Core/Inc/error_handler.h
@@ -0,0 +1,6 @@
+#ifndef __ERROR_HANDLER_H
+#define __ERROR_HANDLER_H
+
+void Error_Handler ();
+
+#endif /* __ERROR_HANDLER_H */
\ No newline at end of file
diff --git a/project/Core/Inc/main.h b/project/Core/Inc/main.h
new file mode 100644
index 0000000..af7a2c8
--- /dev/null
+++ b/project/Core/Inc/main.h
@@ -0,0 +1,85 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : main.h
+  * @brief          : Header for main.c file.
+  *                   This file contains the common defines of the application.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+//#include "stm32l4xx_hal.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void Error_Handler(void);
+
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+/* Private defines -----------------------------------------------------------*/
+#define B1_Pin GPIO_PIN_13
+#define B1_GPIO_Port GPIOC
+#define USART_TX_Pin GPIO_PIN_2
+#define USART_TX_GPIO_Port GPIOA
+#define USART_RX_Pin GPIO_PIN_3
+#define USART_RX_GPIO_Port GPIOA
+#define LD2_Pin GPIO_PIN_5
+#define LD2_GPIO_Port GPIOA
+#define TMS_Pin GPIO_PIN_13
+#define TMS_GPIO_Port GPIOA
+#define TCK_Pin GPIO_PIN_14
+#define TCK_GPIO_Port GPIOA
+#define SWO_Pin GPIO_PIN_3
+#define SWO_GPIO_Port GPIOB
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MAIN_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/project/Core/Inc/project.h b/project/Core/Inc/project.h
new file mode 100644
index 0000000..bf37141
--- /dev/null
+++ b/project/Core/Inc/project.h
@@ -0,0 +1,13 @@
+/*
+ * project.h
+ *
+ *  Created on: Jan 8, 2023
+ *      Author: bruce
+ */
+
+#ifndef INC_PROJECT_H_
+#define INC_PROJECT_H_
+
+void run_project ();
+
+#endif /* INC_PROJECT_H_ */
diff --git a/project/Core/Inc/song.h b/project/Core/Inc/song.h
new file mode 100644
index 0000000..3b99388
--- /dev/null
+++ b/project/Core/Inc/song.h
@@ -0,0 +1,23 @@
+/*
+ * song.h
+ *
+ *  Created on: May 14, 2022
+ *      Author: Bruce Herring
+ *
+ *  DO NOT MODIFY
+ */
+
+#ifndef INC_SONG_H_
+#define INC_SONG_H_
+
+#include <stdint.h>
+
+// A little struct to help make tracking songs easier.
+typedef struct {
+	unsigned char* p_song;
+	unsigned int size;
+}song;
+
+song get_song (uint8_t);
+
+#endif /* INC_SONG_H_ */
diff --git a/project/Core/Inc/stm32l4xx_hal_conf.h b/project/Core/Inc/stm32l4xx_hal_conf.h
new file mode 100644
index 0000000..977890f
--- /dev/null
+++ b/project/Core/Inc/stm32l4xx_hal_conf.h
@@ -0,0 +1,483 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_hal_conf.h
+  * @author  MCD Application Team
+  * @brief   HAL configuration template file.
+  *          This file should be copied to the application folder and renamed
+  *          to stm32l4xx_hal_conf.h.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32L4xx_HAL_CONF_H
+#define STM32L4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+  * @brief This is the list of modules to be used in the HAL driver
+  */
+#define HAL_MODULE_ENABLED
+#define HAL_ADC_MODULE_ENABLED
+/*#define HAL_CRYP_MODULE_ENABLED   */
+/*#define HAL_CAN_MODULE_ENABLED   */
+/*#define HAL_COMP_MODULE_ENABLED   */
+/*#define HAL_CRC_MODULE_ENABLED   */
+/*#define HAL_CRYP_MODULE_ENABLED   */
+#define HAL_DAC_MODULE_ENABLED
+/*#define HAL_DCMI_MODULE_ENABLED   */
+/*#define HAL_DMA2D_MODULE_ENABLED   */
+/*#define HAL_DFSDM_MODULE_ENABLED   */
+/*#define HAL_DSI_MODULE_ENABLED   */
+/*#define HAL_FIREWALL_MODULE_ENABLED   */
+/*#define HAL_GFXMMU_MODULE_ENABLED   */
+/*#define HAL_HCD_MODULE_ENABLED   */
+/*#define HAL_HASH_MODULE_ENABLED   */
+/*#define HAL_I2S_MODULE_ENABLED   */
+/*#define HAL_IRDA_MODULE_ENABLED   */
+/*#define HAL_IWDG_MODULE_ENABLED   */
+/*#define HAL_LTDC_MODULE_ENABLED   */
+/*#define HAL_LCD_MODULE_ENABLED   */
+/*#define HAL_LPTIM_MODULE_ENABLED   */
+/*#define HAL_MMC_MODULE_ENABLED   */
+/*#define HAL_NAND_MODULE_ENABLED   */
+/*#define HAL_NOR_MODULE_ENABLED   */
+/*#define HAL_OPAMP_MODULE_ENABLED   */
+/*#define HAL_OSPI_MODULE_ENABLED   */
+/*#define HAL_OSPI_MODULE_ENABLED   */
+/*#define HAL_PCD_MODULE_ENABLED   */
+/*#define HAL_PKA_MODULE_ENABLED   */
+/*#define HAL_QSPI_MODULE_ENABLED   */
+/*#define HAL_QSPI_MODULE_ENABLED   */
+/*#define HAL_RNG_MODULE_ENABLED   */
+/*#define HAL_RTC_MODULE_ENABLED   */
+/*#define HAL_SAI_MODULE_ENABLED   */
+/*#define HAL_SD_MODULE_ENABLED   */
+/*#define HAL_SMBUS_MODULE_ENABLED   */
+/*#define HAL_SMARTCARD_MODULE_ENABLED   */
+/*#define HAL_SPI_MODULE_ENABLED   */
+/*#define HAL_SRAM_MODULE_ENABLED   */
+/*#define HAL_SWPMI_MODULE_ENABLED   */
+/*#define HAL_TIM_MODULE_ENABLED   */
+/*#define HAL_TSC_MODULE_ENABLED   */
+/*#define HAL_UART_MODULE_ENABLED   */
+/*#define HAL_USART_MODULE_ENABLED   */
+/*#define HAL_WWDG_MODULE_ENABLED   */
+/*#define HAL_EXTI_MODULE_ENABLED   */
+/*#define HAL_PSSI_MODULE_ENABLED   */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+// #define HAL_I2C_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## Oscillator Values adaptation ####################*/
+/**
+  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSE is used as system clock source, directly or through the PLL).
+  */
+#if !defined  (HSE_VALUE)
+  #define HSE_VALUE    ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (HSE_STARTUP_TIMEOUT)
+  #define HSE_STARTUP_TIMEOUT    ((uint32_t)100U)   /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief Internal Multiple Speed oscillator (MSI) default value.
+  *        This value is the default MSI range value after Reset.
+  */
+#if !defined  (MSI_VALUE)
+  #define MSI_VALUE    ((uint32_t)4000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* MSI_VALUE */
+/**
+  * @brief Internal High Speed oscillator (HSI) value.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSI is used as system clock source, directly or through the PLL).
+  */
+#if !defined  (HSI_VALUE)
+  #define HSI_VALUE    ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+  * @brief Internal High Speed oscillator (HSI48) value for USB FS, SDMMC and RNG.
+  *        This internal oscillator is mainly dedicated to provide a high precision clock to
+  *        the USB peripheral by means of a special Clock Recovery System (CRS) circuitry.
+  *        When the CRS is not used, the HSI48 RC oscillator runs on it default frequency
+  *        which is subject to manufacturing process variations.
+  */
+#if !defined  (HSI48_VALUE)
+ #define HSI48_VALUE   ((uint32_t)48000000U) /*!< Value of the Internal High Speed oscillator for USB FS/SDMMC/RNG in Hz.
+                                              The real value my vary depending on manufacturing process variations.*/
+#endif /* HSI48_VALUE */
+
+/**
+  * @brief Internal Low Speed oscillator (LSI) value.
+  */
+#if !defined  (LSI_VALUE)
+ #define LSI_VALUE  32000U       /*!< LSI Typical Value in Hz*/
+#endif /* LSI_VALUE */                      /*!< Value of the Internal Low Speed oscillator in Hz
+                                             The real value may vary depending on the variations
+                                             in voltage and temperature.*/
+
+/**
+  * @brief External Low Speed oscillator (LSE) value.
+  *        This value is used by the UART, RTC HAL module to compute the system frequency
+  */
+#if !defined  (LSE_VALUE)
+  #define LSE_VALUE    32768U /*!< Value of the External oscillator in Hz*/
+#endif /* LSE_VALUE */
+
+#if !defined  (LSE_STARTUP_TIMEOUT)
+  #define LSE_STARTUP_TIMEOUT    5000U   /*!< Time out for LSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief External clock source for SAI1 peripheral
+  *        This value is used by the RCC HAL module to compute the SAI1 & SAI2 clock source
+  *        frequency.
+  */
+#if !defined  (EXTERNAL_SAI1_CLOCK_VALUE)
+  #define EXTERNAL_SAI1_CLOCK_VALUE    2097000U /*!< Value of the SAI1 External clock source in Hz*/
+#endif /* EXTERNAL_SAI1_CLOCK_VALUE */
+
+/**
+  * @brief External clock source for SAI2 peripheral
+  *        This value is used by the RCC HAL module to compute the SAI1 & SAI2 clock source
+  *        frequency.
+  */
+#if !defined  (EXTERNAL_SAI2_CLOCK_VALUE)
+  #define EXTERNAL_SAI2_CLOCK_VALUE    2097000U /*!< Value of the SAI2 External clock source in Hz*/
+#endif /* EXTERNAL_SAI2_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+   ===  you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+  * @brief This is the HAL system configuration section
+  */
+
+#define  VDD_VALUE					  3300U /*!< Value of VDD in mv */
+#define  TICK_INT_PRIORITY            0U    /*!< tick interrupt priority */
+#define  USE_RTOS                     0U
+#define  PREFETCH_ENABLE              0U
+#define  INSTRUCTION_CACHE_ENABLE     1U
+#define  DATA_CACHE_ENABLE            1U
+
+/* ########################## Assert Selection ############################## */
+/**
+  * @brief Uncomment the line below to expanse the "assert_param" macro in the
+  *        HAL drivers code
+  */
+/* #define USE_FULL_ASSERT    1U */
+
+/* ################## Register callback feature configuration ############### */
+/**
+  * @brief Set below the peripheral configuration  to "1U" to add the support
+  *        of HAL callback registration/deregistration feature for the HAL
+  *        driver(s). This allows user application to provide specific callback
+  *        functions thanks to HAL_PPP_RegisterCallback() rather than overwriting
+  *        the default weak callback functions (see each stm32l4xx_hal_ppp.h file
+  *        for possible callback identifiers defined in HAL_PPP_CallbackIDTypeDef
+  *        for each PPP peripheral).
+  */
+#define USE_HAL_ADC_REGISTER_CALLBACKS        0U
+#define USE_HAL_CAN_REGISTER_CALLBACKS        0U
+#define USE_HAL_COMP_REGISTER_CALLBACKS       0U
+#define USE_HAL_CRYP_REGISTER_CALLBACKS       0U
+#define USE_HAL_DAC_REGISTER_CALLBACKS        0U
+#define USE_HAL_DCMI_REGISTER_CALLBACKS       0U
+#define USE_HAL_DFSDM_REGISTER_CALLBACKS      0U
+#define USE_HAL_DMA2D_REGISTER_CALLBACKS      0U
+#define USE_HAL_DSI_REGISTER_CALLBACKS        0U
+#define USE_HAL_GFXMMU_REGISTER_CALLBACKS     0U
+#define USE_HAL_HASH_REGISTER_CALLBACKS       0U
+#define USE_HAL_HCD_REGISTER_CALLBACKS        0U
+#define USE_HAL_I2C_REGISTER_CALLBACKS        0U
+#define USE_HAL_IRDA_REGISTER_CALLBACKS       0U
+#define USE_HAL_LPTIM_REGISTER_CALLBACKS      0U
+#define USE_HAL_LTDC_REGISTER_CALLBACKS       0U
+#define USE_HAL_MMC_REGISTER_CALLBACKS        0U
+#define USE_HAL_OPAMP_REGISTER_CALLBACKS      0U
+#define USE_HAL_OSPI_REGISTER_CALLBACKS       0U
+#define USE_HAL_PCD_REGISTER_CALLBACKS        0U
+#define USE_HAL_QSPI_REGISTER_CALLBACKS       0U
+#define USE_HAL_RNG_REGISTER_CALLBACKS        0U
+#define USE_HAL_RTC_REGISTER_CALLBACKS        0U
+#define USE_HAL_SAI_REGISTER_CALLBACKS        0U
+#define USE_HAL_SD_REGISTER_CALLBACKS         0U
+#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS  0U
+#define USE_HAL_SMBUS_REGISTER_CALLBACKS      0U
+#define USE_HAL_SPI_REGISTER_CALLBACKS        0U
+#define USE_HAL_SWPMI_REGISTER_CALLBACKS      0U
+#define USE_HAL_TIM_REGISTER_CALLBACKS        0U
+#define USE_HAL_TSC_REGISTER_CALLBACKS        0U
+#define USE_HAL_UART_REGISTER_CALLBACKS       0U
+#define USE_HAL_USART_REGISTER_CALLBACKS      0U
+#define USE_HAL_WWDG_REGISTER_CALLBACKS       0U
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+ * Activated: CRC code is present inside driver
+ * Deactivated: CRC code cleaned from driver
+ */
+
+#define USE_SPI_CRC                   0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+  * @brief Include module's header file
+  */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+  #include "stm32l4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+  #include "stm32l4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+  #include "stm32l4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+  #include "stm32l4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+  #include "stm32l4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+  #include "stm32l4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+  #include "stm32l4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
+  #include "Legacy/stm32l4xx_hal_can_legacy.h"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+  #include "stm32l4xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+  #include "stm32l4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+  #include "stm32l4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+  #include "stm32l4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+  #include "stm32l4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+  #include "stm32l4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+  #include "stm32l4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+  #include "stm32l4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_GFXMMU_MODULE_ENABLED
+  #include "stm32l4xx_hal_gfxmmu.h"
+#endif /* HAL_GFXMMU_MODULE_ENABLED */
+
+#ifdef HAL_FIREWALL_MODULE_ENABLED
+  #include "stm32l4xx_hal_firewall.h"
+#endif /* HAL_FIREWALL_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+  #include "stm32l4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_HASH_MODULE_ENABLED
+  #include "stm32l4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+  #include "stm32l4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+  #include "stm32l4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+  #include "stm32l4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+  #include "stm32l4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LCD_MODULE_ENABLED
+  #include "stm32l4xx_hal_lcd.h"
+#endif /* HAL_LCD_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+  #include "stm32l4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+  #include "stm32l4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+  #include "stm32l4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+  #include "stm32l4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+  #include "stm32l4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_OPAMP_MODULE_ENABLED
+  #include "stm32l4xx_hal_opamp.h"
+#endif /* HAL_OPAMP_MODULE_ENABLED */
+
+#ifdef HAL_OSPI_MODULE_ENABLED
+  #include "stm32l4xx_hal_ospi.h"
+#endif /* HAL_OSPI_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+  #include "stm32l4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_PKA_MODULE_ENABLED
+  #include "stm32l4xx_hal_pka.h"
+#endif /* HAL_PKA_MODULE_ENABLED */
+
+#ifdef HAL_PSSI_MODULE_ENABLED
+  #include "stm32l4xx_hal_pssi.h"
+#endif /* HAL_PSSI_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+  #include "stm32l4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+  #include "stm32l4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+  #include "stm32l4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+  #include "stm32l4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+  #include "stm32l4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+  #include "stm32l4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+  #include "stm32l4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+  #include "stm32l4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+  #include "stm32l4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+  #include "stm32l4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_SWPMI_MODULE_ENABLED
+  #include "stm32l4xx_hal_swpmi.h"
+#endif /* HAL_SWPMI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+  #include "stm32l4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_TSC_MODULE_ENABLED
+  #include "stm32l4xx_hal_tsc.h"
+#endif /* HAL_TSC_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+  #include "stm32l4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+  #include "stm32l4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+  #include "stm32l4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr If expr is false, it calls assert_failed function
+  *         which reports the name of the source file and the source
+  *         line number of the call that failed.
+  *         If expr is true, it returns no value.
+  * @retval None
+  */
+  #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+  void assert_failed(uint8_t *file, uint32_t line);
+#else
+  #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32L4xx_HAL_CONF_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/project/Core/Inc/stm32l4xx_it.h b/project/Core/Inc/stm32l4xx_it.h
new file mode 100644
index 0000000..e03ed30
--- /dev/null
+++ b/project/Core/Inc/stm32l4xx_it.h
@@ -0,0 +1,69 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_it.h
+  * @brief   This file contains the headers of the interrupt handlers.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+ ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_IT_H
+#define __STM32L4xx_IT_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void MemManage_Handler(void);
+void BusFault_Handler(void);
+void UsageFault_Handler(void);
+void SVC_Handler(void);
+void DebugMon_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_IT_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/project/Core/Inc/systick.h b/project/Core/Inc/systick.h
new file mode 100644
index 0000000..6bca9fc
--- /dev/null
+++ b/project/Core/Inc/systick.h
@@ -0,0 +1,17 @@
+/*
+ * systick.h
+ *
+ *  Created on: Jan 8, 2023
+ *      Author: bruce
+ */
+
+#ifndef INC_SYSTICK_H_
+#define INC_SYSTICK_H_
+
+// This function is to Initialize SysTick registers
+void init_systick();
+
+// This fuction is to create delay using SysTick timer counter
+void delay_systick();
+
+#endif /* INC_SYSTICK_H_ */
diff --git a/project/Core/Inc/tone.h b/project/Core/Inc/tone.h
new file mode 100644
index 0000000..b30e252
--- /dev/null
+++ b/project/Core/Inc/tone.h
@@ -0,0 +1,49 @@
+/*
+ * tone.h
+ *
+ *  Created on: May 14, 2022
+ *      Author: bruce
+ */
+
+#ifndef INC_TONE_H_
+#define INC_TONE_H_
+
+#include "dac.h"
+
+/**
+ * SysTick handler. Since tones are controlled by software, the SysTick timer
+ * must be used accurately manage the times.
+ */
+void SysTick_Handler();
+
+/**
+ * Accessor for the counter. Useful for knowing what the current "time" is
+ * in the system.
+ */
+uint32_t get_counter ();
+
+void reset_counter ();
+
+/**
+ * Utility function that converts a frequency into a Systick timer ticks.
+ */
+uint32_t hertz_to_systicks (float hertz);
+
+/**
+ * Adds a tone to be played.
+ */
+uint8_t add_tone (uint8_t note, uint8_t velocity);
+
+/**
+ * Removes a tone from the current group of tones that can be played.
+ */
+uint8_t remove_tone (uint8_t note);
+
+
+/**
+ * Starts playing any tones that have been added.
+ */
+void play_tones ();
+
+
+#endif /* INC_TONE_H_ */