* This file is part of the sigrok project.
*
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef SIGROKDECODE_SIGROKDECODE_H
-#define SIGROKDECODE_SIGROKDECODE_H
+#ifndef LIBSIGROKDECODE_SIGROKDECODE_H
+#define LIBSIGROKDECODE_SIGROKDECODE_H
#include <Python.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
#include <stdint.h>
* or reused for different #defines later. You can only add new #defines and
* return codes, but never remove or redefine existing ones.
*/
-#define SIGROKDECODE_OK 0 /* No error */
-#define SIGROKDECODE_ERR -1 /* Generic/unspecified error */
-#define SIGROKDECODE_ERR_MALLOC -2 /* Malloc/calloc/realloc error */
-#define SIGROKDECODE_ERR_ARGS -3 /* Function argument error */
-#define SIGROKDECODE_ERR_PYTHON -4 /* Python C API error */
-#define SIGROKDECODE_ERR_DECODERS_DIR -5 /* Protocol decoder path invalid */
+#define SRD_OK 0 /**< No error */
+#define SRD_ERR -1 /**< Generic/unspecified error */
+#define SRD_ERR_MALLOC -2 /**< Malloc/calloc/realloc error */
+#define SRD_ERR_ARG -3 /**< Function argument error */
+#define SRD_ERR_BUG -4 /**< Errors hinting at internal bugs */
+#define SRD_ERR_PYTHON -5 /**< Python C API error */
+#define SRD_ERR_DECODERS_DIR -6 /**< Protocol decoder path invalid */
+
+/* libsigrokdecode loglevels. */
+#define SRD_LOG_NONE 0 /**< Output no messages at all. */
+#define SRD_LOG_ERR 1 /**< Output error messages. */
+#define SRD_LOG_WARN 2 /**< Output warnings. */
+#define SRD_LOG_INFO 3 /**< Output informational messages. */
+#define SRD_LOG_DBG 4 /**< Output debug messages. */
+#define SRD_LOG_SPEW 5 /**< Output very noisy debug messages. */
+
+/*
+ * Use SRD_API to mark public API symbols, and SRD_PRIV for private symbols.
+ *
+ * Variables and functions marked 'static' are private already and don't
+ * need SR_PRIV. However, functions which are not static (because they need
+ * to be used in other libsigrokdecode-internal files) but are also not
+ * meant to be part of the public libsigrokdecode API, must use SRD_PRIV.
+ *
+ * This uses the 'visibility' feature of gcc (requires gcc >= 4.0).
+ *
+ * Details: http://gcc.gnu.org/wiki/Visibility
+ */
+
+/* Marks public libsigrokdecode API symbols. */
+#define SRD_API __attribute__((visibility("default")))
+
+/* Marks private, non-public libsigrokdecode symbols (not part of the API). */
+#define SRD_PRIV __attribute__((visibility("hidden")))
+
+/*
+ * When adding an output type, don't forget to...
+ * - expose it to PDs in controller.c:PyInit_sigrokdecode()
+ * - add a check in module_sigrokdecode.c:Decoder_put()
+ * - add a debug string in type_decoder.c:OUTPUT_TYPES
+ */
+enum {
+ SRD_OUTPUT_ANN,
+ SRD_OUTPUT_PROTO,
+ SRD_OUTPUT_BINARY,
+};
+
+#define SRD_MAX_NUM_PROBES 64
/* TODO: Documentation. */
-struct sigrokdecode_decoder {
+struct srd_decoder {
+ /** The decoder ID. Must be non-NULL and unique for all decoders. */
char *id;
+
+ /** The (short) decoder name. */
char *name;
+
+ /** The (long) decoder name. May be NULL. */
+ char *longname;
+
+ /** A (short, one-line) description of the decoder. */
char *desc;
- char *func;
+
+ /** The license of the decoder. Valid values: "gplv2+", "gplv3+". */
+ char *license;
+
+ /** TODO */
GSList *inputformats;
+
+ /** TODO */
GSList *outputformats;
+ /** Probes */
+ GSList *probes;
+
+ /** Optional probes */
+ GSList *opt_probes;
+
+ /*
+ * List of NULL-terminated char[], containing descriptions of the
+ * supported annotation output.
+ */
+ GSList *annotations;
+
+ /** Python module */
PyObject *py_mod;
- PyObject *py_func;
+
+ /** sigrokdecode.Decoder class */
+ PyObject *py_dec;
+};
+
+struct srd_probe {
+ char *id;
+ char *name;
+ char *desc;
+ int order;
+};
+
+struct srd_decoder_inst {
+ struct srd_decoder *decoder;
+ PyObject *py_inst;
+ char *inst_id;
+ GSList *pd_output;
+ int dec_num_probes;
+ int *dec_probemap;
+ int data_num_probes;
+ int data_unitsize;
+ uint64_t data_samplerate;
+ GSList *next_di;
+};
+
+struct srd_pd_output {
+ int pdo_id;
+ int output_type;
+ struct srd_decoder_inst *di;
+ char *proto_id;
+};
+
+struct srd_proto_data {
+ uint64_t start_sample;
+ uint64_t end_sample;
+ struct srd_pd_output *pdo;
+ int ann_format;
+ void *data;
};
-int sigrokdecode_init(void);
-GSList *sigrokdecode_list_decoders(void);
-int sigrokdecode_load_decoder(const char *name, struct sigrokdecode_decoder **dec);
-int sigrokdecode_run_decoder(struct sigrokdecode_decoder *dec,
- uint8_t *inbuf, uint64_t inbuflen,
- uint8_t **outbuf, uint64_t *outbuflen);
-int sigrokdecode_shutdown(void);
+typedef void (*srd_pd_output_callback_t)(struct srd_proto_data *pdata,
+ void *user_data);
+
+struct srd_pd_callback {
+ int output_type;
+ srd_pd_output_callback_t callback;
+ void *user_data;
+};
+
+/* custom python types */
+typedef struct {
+ PyObject_HEAD
+} srd_Decoder;
+
+typedef struct {
+ PyObject_HEAD
+ struct srd_decoder_inst *di;
+ uint64_t start_samplenum;
+ unsigned int itercnt;
+ uint8_t *inbuf;
+ uint64_t inbuflen;
+ PyObject *sample;
+} srd_logic;
+
+/*--- controller.c ----------------------------------------------------------*/
+
+SRD_API int srd_init(char *path);
+SRD_API int srd_exit(void);
+SRD_PRIV int add_modulepath(const char *path);
+SRD_API int srd_inst_set_options(struct srd_decoder_inst *di,
+ GHashTable *options);
+SRD_API int srd_inst_set_probes(struct srd_decoder_inst *di,
+ GHashTable *probes);
+SRD_API struct srd_decoder_inst *srd_inst_new(const char *id,
+ GHashTable *options);
+SRD_API int srd_inst_stack(struct srd_decoder_inst *di_from,
+ struct srd_decoder_inst *di_to);
+SRD_API struct srd_decoder_inst *srd_inst_find_by_id(char *inst_id);
+SRD_API struct srd_decoder_inst *srd_inst_find_by_obj(GSList *stack,
+ PyObject *obj);
+SRD_API int srd_inst_start(struct srd_decoder_inst *di, PyObject *args);
+SRD_API int srd_inst_decode(uint64_t start_samplenum,
+ struct srd_decoder_inst *dec,
+ uint8_t *inbuf, uint64_t inbuflen);
+SRD_API void srd_inst_free(struct srd_decoder_inst *di);
+SRD_API void srd_inst_free_all(GSList *stack);
+SRD_API int srd_session_start(int num_probes, int unitsize,
+ uint64_t samplerate);
+SRD_API int srd_session_feed(uint64_t start_samplenum, uint8_t *inbuf,
+ uint64_t inbuflen);
+SRD_API struct srd_decoder_inst *get_di_by_decobject(void *decobject);
+SRD_API int srd_register_callback(int output_type,
+ srd_pd_output_callback_t cb, void *user_data);
+SRD_API void *srd_find_callback(int output_type);
+
+/*--- decoder.c -------------------------------------------------------------*/
+
+SRD_API GSList *srd_list_decoders(void);
+SRD_API struct srd_decoder *srd_get_decoder_by_id(const char *id);
+SRD_API int srd_load_decoder(const char *name, struct srd_decoder **dec);
+SRD_API int srd_unload_decoder(struct srd_decoder *dec);
+SRD_API int srd_load_all_decoders(void);
+SRD_API int srd_unload_all_decoders(void);
+SRD_API char *srd_decoder_doc(struct srd_decoder *dec);
+
+/*--- log.c -----------------------------------------------------------------*/
+
+typedef int (*srd_log_handler_t)(void *user_data, int loglevel,
+ const char *format, va_list args);
+
+SRD_API int srd_log_loglevel_set(int loglevel);
+SRD_API int srd_log_loglevel_get(void);
+SRD_API int srd_log_handler_set(srd_log_handler_t handler, void *user_data);
+SRD_API int srd_log_handler_set_default(void);
+SRD_API int srd_log_logdomain_set(const char *logdomain);
+SRD_API char *srd_log_logdomain_get(void);
#ifdef __cplusplus
}
projects / libsigrokdecode.git / blobdiff