Implement UART HAL (#212)

- Implement UART HAL
- Improved I2C and SPI HAL mocking mechanism (removed mock files)

TactilityHeadless/Include/Tactility/hal/uart/Uart.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <Tactility/RtosCompat.h>
+
+#include "UartCompat.h"
+#include "../Gpio.h"
+
+#include <vector>
+#include <memory>
+
+namespace tt::hal::uart {
+
+enum class InitMode {
+    ByTactility, // Tactility will initialize it in the correct bootup phase
+    ByExternal, // The device is already initialized and Tactility should assume it works
+    Disabled // Not initialized by default
+};
+
+struct Configuration {
+    uart_port_t port;
+    /** Whether this bus should be initialized when device starts up */
+    InitMode initMode;
+    /** Whether this bus can stopped and re-started. */
+    bool canReinit;
+    /** Whether .config can be changed. */
+    bool hasMutableConfiguration;
+    /** Receive GPIO pin */
+    gpio_num_t rxPin;
+    /** Transmit GPIO pin */
+    gpio_num_t txPin;
+    /** Read-To-Send GPIO pin */
+    gpio_num_t rtsPin;
+    /** Clear-To-Send Send GPIO pin */
+    gpio_num_t ctsPin;
+    /** Receive buffer size in bytes */
+    unsigned int rxBufferSize;
+    /** Transmit buffer size in bytes */
+    unsigned int txBufferSize;
+    /** Native configuration */
+    uart_config_t config;
+};
+
+enum class Status {
+    Started,
+    Stopped,
+    Unknown
+};
+
+bool init(const std::vector<uart::Configuration>& configurations);
+
+bool start(uart_port_t port);
+bool stop(uart_port_t port);
+bool isStarted(uart_port_t port);
+
+bool lock(uart_port_t port, TickType_t timeout = 10 / portTICK_PERIOD_MS);
+bool unlock(uart_port_t port);
+
+size_t read(uart_port_t port, uint8_t* buffer, size_t bufferSize, TickType_t timeout = 10 / portTICK_PERIOD_MS);
+size_t write(uart_port_t port, const uint8_t* buffer, size_t bufferSize, TickType_t timeout = 10 / portTICK_PERIOD_MS);
+
+} // namespace tt::hal::uart

TactilityHeadless/Include/Tactility/hal/uart/UartCompat.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#ifdef ESP_PLATFORM
+
+#include <driver/uart.h>
+#include <driver/gpio.h>
+#include <hal/uart_types.h>
+
+#else
+
+#define UART_NUM_MAX 3
+typedef int uart_port_t;
+
+typedef struct {
+} uart_config_t;
+
+#endif