/*
 * @file    priyanshu_roy.h
 * @brief   Embedded Software Engineer | Firmware Architect
 * @author  Priyanshu Roy
 * @version 2.0.0
 * 
 * Hardware Abstraction Layer for building deterministic, real-time systems
 * from bare metal to RTOS-based architectures.
 */

#ifndef __PRIYANSHU_ROY_H
#define __PRIYANSHU_ROY_H

#ifdef __cplusplus
extern "C" {
#endif

/* ==================== SYSTEM CONFIGURATION ==================== */

#define EXPERIENCE_YEARS        2
#define FOCUS_AREA             "Real-Time Embedded Systems"
#define PRIMARY_LANGUAGE       "C/C++"
#define ARCHITECTURE           "ARM Cortex-M | STM32 | ESP32"

/* Core Competencies */
typedef enum {
    BARE_METAL_FIRMWARE,
    RTOS_DEVELOPMENT,        // FreeRTOS, Real-time task scheduling
    DEVICE_DRIVER_DESIGN,    // SPI, I2C, UART, DMA
    SENSOR_FUSION,           // IMU, GPS, magnetometer integration
    LOW_LEVEL_DEBUGGING,     // JTAG/SWD, logic analyzer, oscilloscope
    HARDWARE_SOFTWARE_BRIDGE // MCU-Linux integration (Jetson, NavQPlus)
} CoreSkill_t;

/* ==================== TECHNICAL STACK ==================== */

// Core Languages
#define LANG_C              "System programming, bare metal, RTOS"
#define LANG_CPP            "Firmware architecture, OOP abstractions"
#define LANG_PYTHON         "Automation, tooling, testing"

// Hardware Platforms
typedef struct {
    const char* family;
    const char* specific_chips;
    const char* use_case;
} Platform_t;

static const Platform_t platforms[] = {
    {"ARM Cortex-M", "STM32F3/F4/H7", "Real-time control, sensor fusion"},
    {"ESP32", "ESP32/ESP32-C3/S3", "IoT, BLE, Wi-Fi connectivity"},
    {"NVIDIA Jetson", "Jetson Nano/Orin", "Edge AI, Linux integration"},
    {"NXP", "NavQPlus, XMC1300", "Companion computing, WSN"}
};

// Communication Protocols
#define PROTO_SPI           "High-speed sensor interfaces, DMA transfers"
#define PROTO_I2C           "Multi-drop sensor buses"
#define PROTO_UART          "GPS, telemetry, debug console"
#define PROTO_BLE           "Wireless telemetry and control"
#define PROTO_LORA          "Long-range IoT communication"

// Development Workflow
#define TOOLS_VERSION_CTRL  "Git"
#define TOOLS_BUILD_SYS     "CMake, Ninja, Make"
#define TOOLS_DEBUG         "JTAG/SWD, OpenOCD, GDB"
#define TOOLS_VALIDATION    "Logic analyzer, oscilloscope, HIL fixtures"

#define EMAIL               "roypriyanshu09@gmail.com"
#define GITHUB              "github.com/Priyanshu0901"
#define LINKEDIN            "linkedin.com/in/roy-priyanshu"

/* ==================== SYSTEM STATUS ==================== */

typedef struct {
    uint8_t  seeking_opportunities : 1;
    uint8_t  open_to_collaboration : 1;
    uint8_t  interested_in_rtos     : 1;
    uint8_t  interested_in_robotics : 1;
    uint8_t  reserved               : 4;
} SystemStatus_t;

static const SystemStatus_t status = {
    .seeking_opportunities = 1,
    .open_to_collaboration = 1,
    .interested_in_rtos = 1,
    .interested_in_robotics = 1
};

/* ==================== FOOTER ==================== */

/**
 * @note "Any sufficiently advanced technology is indistinguishable from magic."
 *                                                    - Arthur C. Clarke
 * 
 * But we know it's just clever bit manipulation and deterministic timing.
 */

#ifdef __cplusplus
}
#endif

#endif /* __PRIYANSHU_ROY_H */

/*
 * Compile your ideas into reality.
 * Debug your assumptions.
 * Ship reliable systems.
 */