applied platformio structure

lib/squeezelite/embedded.h

@@ -0,0 +1,107 @@
+#ifndef EMBEDDED_H
+#define EMBEDDED_H
+#include <ctype.h>
+#include <inttypes.h>
+
+/* 	must provide 
+		- mutex_create_p
+		- pthread_create_name
+		- register_xxx (see below)
+		- stack size
+		- s16_t, s32_t, s64_t and u64_t
+		- PLAYER_ID / custom_player_id
+	can overload (use #define)
+		- exit
+		- gettime_ms
+		- BASE_CAP
+		- EXT_BSS 		
+	recommended to add platform specific include(s) here
+*/	
+
+typedef int16_t   s16_t;
+typedef int32_t   s32_t;
+typedef int64_t   s64_t;
+typedef unsigned long long u64_t;
+
+#ifndef PTHREAD_STACK_MIN
+#define PTHREAD_STACK_MIN	256
+#endif
+#ifndef _CONST
+#define _CONST
+#endif
+
+#define STREAM_THREAD_STACK_SIZE  4 * 1024
+#define DECODE_THREAD_STACK_SIZE 14 * 1024
+#define OUTPUT_THREAD_STACK_SIZE  4 * 1024
+#define IR_THREAD_STACK_SIZE      4 * 1024
+
+// number of times the 5s search for a server will happen before slimproto exits (0 = no limit)
+#define MAX_SERVER_RETRIES	5
+
+// or can be as simple as #define PLAYER_ID 100
+#define PLAYER_ID custom_player_id
+extern u8_t custom_player_id;
+
+#if BYTES_PER_FRAME == 8
+#define BASE_CAP "Model=squeezeesp32,AccuratePlayPoints=1,HasDigitalOut=1,HasPolarityInversion=1,Balance=1,Depth=32,Firmware=" VERSION 
+#else
+#define BASE_CAP "Model=squeezeesp32,AccuratePlayPoints=1,HasDigitalOut=1,HasPolarityInversion=1,Balance=1,Depth=16,Firmware=" VERSION 
+#endif
+
+// to force some special buffer attribute
+#define EXT_BSS __attribute__((section(".ext_ram.bss"))) 
+
+// otherwise just leave it empty
+void em_logprint(const char *fmt, ...);
+#define LOG_ERROR(fmt, ...) em_logprint("%s %s:%d " fmt "\n", logtime(), __FUNCTION__, __LINE__, ##__VA_ARGS__); 
+
+// all exit() calls are made from main thread (or a function called in main thread)
+void embedded_exit(int code);
+#define exit(code) do { embedded_exit(code); } while (0)
+#define gettime_ms _gettime_ms_
+#define mutex_create_p(m) mutex_create(m)
+
+uint32_t 	_gettime_ms_(void);
+
+int			pthread_create_name(pthread_t *thread, _CONST pthread_attr_t  *attr, 
+				   void *(*start_routine)( void * ), void *arg, char *name);
+
+// must provide	of #define as empty macros		
+int 		embedded_init(void);
+void 		register_external(void);
+void 		deregister_external(void);
+void 		decode_restore(int external);
+void        powering(bool on);
+// used when other client wants to use slimproto socket to send messages
+extern mutex_type slimp_mutex;
+#define LOCK_P   mutex_lock(slimp_mutex)
+#define UNLOCK_P mutex_unlock(slimp_mutex)
+
+// bitmap of plugs status
+#define PLUG_LINE_IN 	0x01
+#define PLUG_LINE_OUT	0x02
+#define PLUG_HEADPHONE	0x04
+u16_t	get_RSSI(void);			// must provide or define as 0xffff
+u16_t	get_plugged(void);		// must provide or define as 0x0
+u16_t	get_battery(void);		// must provide 12 bits data or define as 0x0 (exact meaning is device-dependant)
+
+// set name 
+void set_name(char *name);		// can be defined as an empty macro
+
+// to be defined to nothing if you don't want to support these
+extern struct visu_export_s {
+	pthread_mutex_t mutex;
+	u32_t level, size, rate, gain;
+	void *buffer;
+	bool running;
+} visu_export;
+void 		output_visu_export(void *frames, frames_t out_frames, u32_t rate, bool silence, u32_t gain);
+void 		output_visu_init(log_level level);
+void 		output_visu_close(void);
+
+// optional, please chain if used 
+bool		(*slimp_handler)(u8_t *data, int len);
+void 		(*slimp_loop)(void);
+void 		(*server_notify)(in_addr_t ip, u16_t hport, u16_t cport);
+	   
+#endif // EMBEDDED_H