Drivers: Rename STM32 to CDC ACM

This is much more descriptive of what the driver actually is

include/icsneo/platform/posix/cdcacm.h

@@ -0,0 +1,59 @@
+#ifndef __CDCACM_POSIX_H_
+#define __CDCACM_POSIX_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/communication/driver.h"
+#include "icsneo/device/neodevice.h"
+#include "icsneo/api/eventmanager.h"
+#include "icsneo/platform/optional.h"
+#include <chrono>
+#include <sys/stat.h>
+#include <stdint.h>
+
+namespace icsneo {
+
+class CDCACM : public Driver {
+public:
+	/**
+	 * Note: This is a driver for all devices which use CDC_ACM
+	 * Once we find the TTY we want it's a pretty generic POSIX TTY driver, but
+	 * the method for finding the TTY we want varies by OS.
+	 * On Linux, we read sysfs to find users of the CDC_ACM driver
+	 * On macOS, we use IOKit to find the USB device we're looking for
+	 * As such platform specific FindByProduct & HandleToTTY code can be found
+	 * in cdcacmlinux.cpp and cdcacmdarwin.cpp respectively
+	 * Other POSIX systems (BSDs, QNX, etc) will need bespoke code written in the future
+	 */
+	CDCACM(const device_eventhandler_t& err, neodevice_t& forDevice) : Driver(err), device(forDevice) {}
+	~CDCACM();
+	static std::vector<neodevice_t> FindByProduct(int product);
+
+	bool open() override;
+	bool isOpen() override;
+	bool close() override;
+
+	void modeChangeIncoming() override;
+	void awaitModeChangeComplete() override;
+
+private:
+	neodevice_t& device;
+	int fd = -1;
+	optional<ino_t> disallowedInode;
+	std::atomic<bool> modeChanging{false};
+	std::thread modeChangeThread;
+	std::mutex modeChangeMutex;
+	std::condition_variable modeChangeCV;
+
+	static std::string HandleToTTY(neodevice_handle_t handle);
+
+	void readTask() override;
+	void writeTask() override;
+	bool fdIsValid();
+};
+
+}
+
+#endif // __cplusplus
+
+#endif