File size: 1,995 Bytes
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/* Tape Emulator / Recorder Control */
/*************************************************************/
#include <stdio.h>
#include "menu.h"
#include "iomap.h"
#include "filemanager.h"
#include "subsys.h"
#include "config.h"
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#define PLAYBACK_STATUS *((volatile uint8_t *)(C2N_PLAY_BASE + 0x000))
#define PLAYBACK_CONTROL *((volatile uint8_t *)(C2N_PLAY_BASE + 0x000))
#define PLAYBACK_DATA ((volatile uint8_t *)(C2N_PLAY_BASE + 0x800))
#define C2N_ENABLE 0x01
#define C2N_CLEAR_ERROR 0x02
#define C2N_FLUSH_FIFO 0x04
#define C2N_MODE_SELECT 0x08
#define C2N_SENSE 0x10
#define C2N_RATE 0x20
#define C2N_OUT_READ 0x00
#define C2N_OUT_WRITE 0x40
#define C2N_OUT_WRITE_N 0x80
#define C2N_OUT_TOGGLE 0xC0
#define C2N_STAT_ENABLED 0x01
#define C2N_STAT_ERROR 0x02
#define C2N_STAT_FIFO_FULL 0x04
#define C2N_STAT_FIFO_AF 0x08
#define C2N_STAT_STREAM_EN 0x40
#define C2N_STAT_FIFO_EMPTY 0x80
class TapeController : public SubSystem, ObjectWithMenu, ConfigurableObject
{
FileManager *fm;
File *file;
uint32_t length;
int state;
int block;
int mode;
int paused;
bool recording;
uint8_t controlByte;
uint8_t *blockBuffer;
TaskHandle_t taskHandle;
struct {
Action *pause;
Action *resume;
Action *stop;
Action *rewind;
} myActions;
void read_block();
static void poll_static(void *a);
public:
TapeController();
virtual ~TapeController();
void create_task_items(void);
void update_task_items(bool writablePath);
const char *identify(void) { return "Tape Player"; }
SubsysResultCode_e executeCommand(SubsysCommand *cmd);
void close();
void stop();
void start(int);
void poll();
void set_file(File *f, uint32_t, int, int);
};
extern TapeController *tape_controller;
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