libp7/src/core/devices.c

/* ************************************************************************** */
/*                                       _____           _                    */
/*  core/devices.c                      |_   _|__  _   _| |__   ___ _   _     */
/*  | Project: libp7                      | |/ _ \| | | | '_ \ / _ \ | | |    */
/*                                        | | (_) | |_| | | | |  __/ |_| |    */
/*  By: thomas <thomas@touhey.fr>         |_|\___/ \__,_|_| |_|\___|\__, |.fr */
/*  Last updated: 2016/10/13 07:33:17                               |___/     */
/*                                                                            */
/* ************************************************************************** */
#include <libp7/internals.h>
#include <string.h>

/* ************************************************************************** */
/*  Main data                                                                 */
/* ************************************************************************** */
/* mask bits */
#define MASK_ALL 1
#define MASK_RESET 2
#define MASK_LINK 4
#define MASK_MCS 8
#define MASK_FLS 16
#define MASK_BACKUP 32
#define MASK_OSUPDATE_1 64
#define MASK_OSUPDATE_2 128

/* supported commands */
static unsigned int command_masks[] = {
	/* MAIN SYSTEM COMMANDS */
	/* - restart/reset - */
	MASK_RESET,
	/* - get device info - */
	MASK_ALL,
	/* - set link settings */
	MASK_LINK,

	/* unused */
	0, 0, 0,

	/* - set link timeout - */
	MASK_RESET,
	/* - verifications (OS Update) - */
	MASK_ALL,
	MASK_OSUPDATE_1,
	MASK_OSUPDATE_1,
	MASK_OSUPDATE_2,

	/* unused */
	0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

	/* MCS COMMANDS */
	/* - create directory - */
	MASK_MCS,
	/* - delete directory - */
	MASK_MCS,
	/* - rename directory - */
	MASK_MCS,
	/* - change working directory - */
	MASK_MCS,
	/* - file transfer request - */
	MASK_MCS,
	/* - file transfer - */
	MASK_MCS,
	/* - delete file - */
	MASK_MCS,
	/* - rename file - */
	MASK_MCS,
	/* - copy file - */
	MASK_MCS,
	/* - file transfer all request - */
	MASK_MCS,
	/* - unknown (reset MCS?) - */
	MASK_MCS,
	/* - capacity transmit request - */
	MASK_MCS,
	/* - capacity transmit - */
	MASK_MCS,
	/* - file info transfer all request - */
	MASK_MCS,
	/* - file info transfer */
	MASK_MCS,
	/* - RAM image transfer request - */
	MASK_MCS,
	/* - RAM image transfer - */
	MASK_MCS,
	/* - Setup entry transfer request - */
	MASK_MCS,
	/* - Setup entry transfer - */
	MASK_MCS,
	/* - Setup entry transfer all request - */
	MASK_MCS,

	/* unused */
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

	/* FLASH COMMANDS */
	/* - create directory - */
	MASK_FLS,
	/* - delete directory - */
	MASK_FLS,
	/* - rename directory - */
	MASK_FLS,
	/* - change working directory - */
	MASK_FLS,
	/* - file transfer request - */
	MASK_FLS,
	/* - file transfer - */
	MASK_FLS,
	/* - delete file - */
	MASK_FLS,
	/* - rename file - */
	MASK_FLS,
	/* - copy file - */
	MASK_FLS,
	/* - file transfer all request - */
	MASK_FLS,
	/* - unknown (reset flash ?) - */
	MASK_FLS,
	/* - capacity transmit request - */
	MASK_FLS,
	/* - capacity transmit - */
	MASK_FLS,
	/* - file info transfer all request - */
	MASK_FLS,
	/* - file info transfer - */
	MASK_FLS,
	/* - flash image transfer request - */
	MASK_BACKUP,
	/* - flash image transfer - */
	MASK_BACKUP,
	/* - optimize filesystem - */
	MASK_FLS,

	/* OS UPDATE */
	/* - CASIOWIN entry transfer request - */
	MASK_BACKUP,
	/* - CASIOWIN entry transfer - */
	MASK_BACKUP,
	/* - Bootcode transfer request - */
	MASK_BACKUP,
	/* - Bootcode transfer - */
	MASK_BACKUP,
	/* - Upload and run - */
	MASK_ALL,

	/* last is 0x56 */
};

/* known environments */
/* to add: fx-7400GII (Graph 25+ Pro SH3) */
/* For this list, thanks to:
 *	- Simon Lothar (documentation about supported commands and bootcodes)
 *	- Critor (lots of models) [TODO: still waiting for his input]
 *	- Lephenixnoir, Hackcell (some models)
 */
static p7_env_t known_environments[] = {
	/* bootcodes */
	{"Gy362000", "fx-7400GII/fx-9860GII bootcode",
		MASK_ALL | MASK_LINK},
	{"Gy363000", "fx-9750GII-2/fx-9860GII(-2) bootcode",
		MASK_ALL},
	{"Gy490000", "fx-7400GII-2 bootcode",
		MASK_ALL | MASK_LINK},

	/* fx devices */
	{"Gy362007", "fx-9750GII-2 (Graph 35+ SH4)",
		MASK_ALL | MASK_RESET | MASK_MCS | MASK_LINK},
	{"Gy36200F", "Graph 35+E (modified fx-9750GII-2)",
		MASK_ALL | MASK_RESET | MASK_MCS | MASK_LINK},
	{"Gy363006", "fx-9860GII (Graph 75 SH3)",
		MASK_ALL | MASK_RESET | MASK_MCS | MASK_LINK
			| MASK_FLS
			| MASK_OSUPDATE_1 | MASK_BACKUP},
	{"Gy363007", "fx-9860GII-2 (Graph 75 SH4)",
		MASK_ALL | MASK_RESET | MASK_MCS | MASK_LINK 
			| MASK_FLS
			| MASK_OSUPDATE_1},
	{"Gy36300F", "Graph 75+E (modified fx-9860GII-2)",
		MASK_ALL | MASK_RESET | MASK_MCS | MASK_LINK
			| MASK_FLS
			| MASK_OSUPDATE_1},

	/* cp devices */
	{"Ly755000", "fx-CG20 (according to simlo's chm)",
		MASK_ALL | MASK_MCS},

	/* terminating entry */
	{NULL, NULL, 0}
};

/* the default environment */
static p7_env_t default_environment =
{NULL, "Default environment",
	MASK_ALL | MASK_MCS | MASK_LINK | MASK_FLS};

/* ************************************************************************** */
/*  Internal functions                                                        */
/* ************************************************************************** */
/**
 *	p7_get_env:
 *	Get the environment type.
 *
 *	@arg	model		the model string
 *	@return				the device (NULL if unknown)
 */

p7_env_t *p7_get_env(const char *model)
{
	for (p7_env_t *e = known_environments; e->model; e++)
		if (!strcmp(model, e->model)) return (e);
	return (&default_environment);
}

/**
 *	p7_command_is_supported:
 *	Check if a command is supported by the environment.
 *
 *	@arg	code		command code
 *	@arg	env			the environment
 *	@return				if it is supported (0 if not)
 */

int p7_command_is_supported(p7_commandcode_t code, const p7_env_t *env)
{
	if (!env) return (1); /* we don't know, so we suppose that it is */
	return (command_masks[code] & env->mask);
}