}
#define R8(x) read_u8((const uint8_t *)(x))
+/**
+ * Read an 8 bits signed integer out of memory.
+ * @param x a pointer to the input memory
+ * @return the corresponding signed integer
+ */
+static inline int8_t read_i8(const uint8_t *p)
+{
+ return (int8_t)p[0];
+}
+
/**
* Read a 16 bits big endian unsigned integer out of memory.
* @param x a pointer to the input memory
#define RL64S(x) read_i64le((const uint8_t *)(x))
/**
- * Read a 32 bits big endian float out of memory.
+ * Read a 32 bits big endian float out of memory (single precision).
* @param x a pointer to the input memory
* @return the corresponding float
*/
#define RBFL(x) read_fltbe((const uint8_t *)(x))
/**
- * Read a 32 bits little endian float out of memory.
+ * Read a 32 bits little endian float out of memory (single precision).
* @param x a pointer to the input memory
* @return the corresponding float
*/
}
#define RLFL(x) read_fltle((const uint8_t *)(x))
+/**
+ * Read a 64 bits big endian float out of memory (double precision).
+ * @param x a pointer to the input memory
+ * @return the corresponding floating point value
+ */
+static inline double read_dblbe(const uint8_t *p)
+{
+ /*
+ * Implementor's note: Strictly speaking the "union" trick
+ * is not portable. But this phrase was found to work on the
+ * project's supported platforms, and serve well until a more
+ * appropriate phrase is found.
+ */
+ union { uint64_t u64; double flt; } u;
+ double f;
+
+ u.u64 = read_u64be(p);
+ f = u.flt;
+
+ return f;
+}
+
+/**
+ * Read a 64 bits little endian float out of memory (double precision).
+ * @param x a pointer to the input memory
+ * @return the corresponding floating point value
+ */
+static inline double read_dblle(const uint8_t *p)
+{
+ /*
+ * Implementor's note: Strictly speaking the "union" trick
+ * is not portable. But this phrase was found to work on the
+ * project's supported platforms, and serve well until a more
+ * appropriate phrase is found.
+ */
+ union { uint64_t u64; double flt; } u;
+ double f;
+
+ u.u64 = read_u64le(p);
+ f = u.flt;
+
+ return f;
+}
+#define RLDB(x) read_dblle((const uint8_t *)(x))
+
/**
* Write a 8 bits unsigned integer to memory.
* @param p a pointer to the output memory
}
#define WL32(p, x) write_u32le((uint8_t *)(p), (uint32_t)(x))
+/**
+ * Write a 48 bits unsigned integer to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input unsigned integer
+ */
+static inline void write_u48le(uint8_t *p, uint64_t x)
+{
+ p[0] = x & 0xff; x >>= 8;
+ p[1] = x & 0xff; x >>= 8;
+ p[2] = x & 0xff; x >>= 8;
+ p[3] = x & 0xff; x >>= 8;
+ p[4] = x & 0xff; x >>= 8;
+ p[5] = x & 0xff; x >>= 8;
+}
+#define WL48(p, x) write_u48le((uint8_t *)(p), (uint64_t)(x))
+
+/**
+ * Write a 64 bits unsigned integer to memory stored as big endian.
+ * @param p a pointer to the output memory
+ * @param x the input unsigned integer
+ */
+static inline void write_u64be(uint8_t *p, uint64_t x)
+{
+ p[7] = x & 0xff; x >>= 8;
+ p[6] = x & 0xff; x >>= 8;
+ p[5] = x & 0xff; x >>= 8;
+ p[4] = x & 0xff; x >>= 8;
+ p[3] = x & 0xff; x >>= 8;
+ p[2] = x & 0xff; x >>= 8;
+ p[1] = x & 0xff; x >>= 8;
+ p[0] = x & 0xff; x >>= 8;
+}
+
+/**
+ * Write a 64 bits unsigned integer to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input unsigned integer
+ */
+static inline void write_u64le(uint8_t *p, uint64_t x)
+{
+ p[0] = x & 0xff; x >>= 8;
+ p[1] = x & 0xff; x >>= 8;
+ p[2] = x & 0xff; x >>= 8;
+ p[3] = x & 0xff; x >>= 8;
+ p[4] = x & 0xff; x >>= 8;
+ p[5] = x & 0xff; x >>= 8;
+ p[6] = x & 0xff; x >>= 8;
+ p[7] = x & 0xff; x >>= 8;
+}
+#define WL64(p, x) write_u64le((uint8_t *)(p), (uint64_t)(x))
+
/**
* Write a 32 bits float to memory stored as big endian.
* @param p a pointer to the output memory
}
#define WLFL(p, x) write_fltle((uint8_t *)(p), float (x))
+/**
+ * Write a 64 bits float to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input floating point value
+ */
+static inline void write_dblle(uint8_t *p, double x)
+{
+ union { uint64_t u; double f; } u;
+ u.f = x;
+ write_u64le(p, u.u);
+}
+#define WLDB(p, x) write_dblle((uint8_t *)(p), float (x))
+
/* Endianess conversion helpers with read/write position increment. */
/**
return v;
}
+/**
+ * Read signed 8bit integer from raw memory, increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved integer value, signed.
+ */
+static inline int8_t read_i8_inc(const uint8_t **p)
+{
+ int8_t v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_i8(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
/**
* Read unsigned 16bit integer from raw memory (big endian format), increment read position.
* @param[in, out] p Pointer into byte stream.
}
/**
- * Read unsigned 32bit integer from raw memory (big endian format), increment read position.
+ * Read signed 16bit integer from raw memory (big endian format), increment read position.
* @param[in, out] p Pointer into byte stream.
- * @return Retrieved integer value, unsigned.
+ * @return Retrieved integer value, signed.
*/
-static inline uint32_t read_u32be_inc(const uint8_t **p)
+static inline int16_t read_i16be_inc(const uint8_t **p)
{
- uint32_t v;
+ int16_t v;
if (!p || !*p)
return 0;
- v = read_u32be(*p);
+ v = read_i16be(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
+/**
+ * Read signed 16bit integer from raw memory (little endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved integer value, signed.
+ */
+static inline int16_t read_i16le_inc(const uint8_t **p)
+{
+ int16_t v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_i16le(*p);
*p += sizeof(v);
return v;
return v;
}
+/**
+ * Read unsigned 32bit integer from raw memory (big endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved integer value, unsigned.
+ */
+static inline uint32_t read_u32be_inc(const uint8_t **p)
+{
+ uint32_t v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_u32be(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
/**
* Read unsigned 32bit integer from raw memory (little endian format), increment read position.
* @param[in, out] p Pointer into byte stream.
return v;
}
+/**
+ * Read signed 32bit integer from raw memory (big endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved integer value, signed.
+ */
+static inline int32_t read_i32be_inc(const uint8_t **p)
+{
+ int32_t v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_i32be(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
+/**
+ * Read signed 32bit integer from raw memory (little endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved integer value, signed.
+ */
+static inline int32_t read_i32le_inc(const uint8_t **p)
+{
+ int32_t v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_i32le(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
/**
* Read unsigned 64bit integer from raw memory (big endian format), increment read position.
* @param[in, out] p Pointer into byte stream.
return v;
}
+/**
+ * Read 32bit float from raw memory (big endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved float value.
+ */
+static inline float read_fltbe_inc(const uint8_t **p)
+{
+ float v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_fltbe(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
+/**
+ * Read 32bit float from raw memory (little endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved float value.
+ */
+static inline float read_fltle_inc(const uint8_t **p)
+{
+ float v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_fltle(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
+/**
+ * Read 64bit float from raw memory (big endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved float value.
+ */
+static inline double read_dblbe_inc(const uint8_t **p)
+{
+ double v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_dblbe(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
+/**
+ * Read 64bit float from raw memory (little endian format), increment read position.
+ * @param[in, out] p Pointer into byte stream.
+ * @return Retrieved float value.
+ */
+static inline double read_dblle_inc(const uint8_t **p)
+{
+ double v;
+
+ if (!p || !*p)
+ return 0;
+ v = read_dblle(*p);
+ *p += sizeof(v);
+
+ return v;
+}
+
/**
* Write unsigned 8bit integer to raw memory, increment write position.
* @param[in, out] p Pointer into byte stream.
*p += sizeof(x);
}
+/**
+ * Write unsigned 48bit little endian integer to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_u48le_inc(uint8_t **p, uint64_t x)
+{
+ if (!p || !*p)
+ return;
+ write_u48le(*p, x);
+ *p += 48 / 8 * sizeof(uint8_t);
+}
+
+/**
+ * Write unsigned 64bit little endian integer to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_u64le_inc(uint8_t **p, uint64_t x)
+{
+ if (!p || !*p)
+ return;
+ write_u64le(*p, x);
+ *p += sizeof(x);
+}
+
+/**
+ * Write single precision little endian float to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_fltle_inc(uint8_t **p, float x)
+{
+ if (!p || !*p)
+ return;
+ write_fltle(*p, x);
+ *p += sizeof(x);
+}
+
+/**
+ * Write double precision little endian float to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_dblle_inc(uint8_t **p, double x)
+{
+ if (!p || !*p)
+ return;
+ write_dblle(*p, x);
+ *p += sizeof(x);
+}
+
/* Portability fixes for FreeBSD. */
#ifdef __FreeBSD__
#define LIBUSB_CLASS_APPLICATION 0xfe
#define SR_DRIVER_LIST_SECTION "__sr_driver_list"
#endif
+#if !defined SR_DRIVER_LIST_NOREORDER && defined __has_attribute
+#if __has_attribute(no_reorder)
+#define SR_DRIVER_LIST_NOREORDER __attribute__((no_reorder))
+#endif
+#endif
+#if !defined SR_DRIVER_LIST_NOREORDER
+#define SR_DRIVER_LIST_NOREORDER /* EMPTY */
+#endif
+
/**
* Register a list of hardware drivers.
*
*/
#define SR_REGISTER_DEV_DRIVER_LIST(name, ...) \
static const struct sr_dev_driver *name[] \
+ SR_DRIVER_LIST_NOREORDER \
__attribute__((section (SR_DRIVER_LIST_SECTION), used, \
aligned(sizeof(struct sr_dev_driver *)))) \
= { \
SR_PRIV int std_dummy_set_params(struct sr_serial_dev_inst *serial,
int baudrate, int bits, int parity, int stopbits,
int flowcontrol, int rts, int dtr);
+SR_PRIV int std_dummy_set_handshake(struct sr_serial_dev_inst *serial,
+ int rts, int dtr);
/*--- resource.c ------------------------------------------------------------*/
SR_PRIV int sr_atol(const char *str, long *ret);
SR_PRIV int sr_atol_base(const char *str, long *ret, char **end, int base);
+SR_PRIV int sr_atoul_base(const char *str, unsigned long *ret, char **end, int base);
SR_PRIV int sr_atoi(const char *str, int *ret);
SR_PRIV int sr_atod(const char *str, double *ret);
SR_PRIV int sr_atof(const char *str, float *ret);
SR_PRIV int sr_atod_ascii(const char *str, double *ret);
+SR_PRIV int sr_atod_ascii_digits(const char *str, double *ret, int *digits);
SR_PRIV int sr_atof_ascii(const char *str, float *ret);
SR_PRIV GString *sr_hexdump_new(const uint8_t *data, const size_t len);
};
typedef gboolean (*packet_valid_callback)(const uint8_t *buf);
+typedef int (*packet_valid_len_callback)(void *st,
+ const uint8_t *p, size_t l, size_t *pl);
typedef GSList *(*sr_ser_list_append_t)(GSList *devs, const char *name,
const char *desc);
serial_rx_chunk_callback cb, void *cb_data);
SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
+SR_PRIV int serial_set_handshake(struct sr_serial_dev_inst *serial,
+ int rts, int dtr);
SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
const char *paramstr);
SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
int *buflen, gint64 timeout_ms);
SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
- uint8_t *buf, size_t *buflen,
- size_t packet_size,
- packet_valid_callback is_valid,
- uint64_t timeout_ms);
-SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
- const char **serial_options);
+ uint8_t *buf, size_t *buflen,
+ size_t packet_size, packet_valid_callback is_valid,
+ packet_valid_len_callback is_valid_len, size_t *return_size,
+ uint64_t timeout_ms);
SR_PRIV int serial_source_add(struct sr_session *session,
struct sr_serial_dev_inst *serial, int events, int timeout,
sr_receive_data_callback cb, void *cb_data);
int (*set_params)(struct sr_serial_dev_inst *serial,
int baudrate, int bits, int parity, int stopbits,
int flowcontrol, int rts, int dtr);
+ int (*set_handshake)(struct sr_serial_dev_inst *serial,
+ int rts, int dtr);
int (*setup_source_add)(struct sr_session *session,
struct sr_serial_dev_inst *serial,
int events, int timeout,
#endif
#endif
+SR_PRIV int sr_serial_extract_options(GSList *options,
+ const char **serial_device, const char **serial_options);
+
/*--- bt/ API ---------------------------------------------------------------*/
#ifdef HAVE_BLUETOOTH
const char *manufacturer, const char *product);
#endif
+/*--- binary_helpers.c ------------------------------------------------------*/
+
+/** Binary value type */
+enum binary_value_type {
+ BVT_INVALID,
+
+ BVT_UINT8,
+ BVT_BE_UINT8 = BVT_UINT8,
+ BVT_LE_UINT8 = BVT_UINT8,
+
+ BVT_BE_UINT16,
+ BVT_BE_UINT32,
+ BVT_BE_UINT64,
+ BVT_BE_FLOAT,
+
+ BVT_LE_UINT16,
+ BVT_LE_UINT32,
+ BVT_LE_UINT64,
+ BVT_LE_FLOAT,
+};
+
+/** Binary value specification */
+struct binary_value_spec {
+ /** Offset into binary blob */
+ size_t offset;
+ /** Data type to decode */
+ enum binary_value_type type;
+ /** Scale factor to get native units */
+ float scale;
+};
+
+/** Binary channel definition */
+struct binary_analog_channel {
+ /** Channel name */
+ const char *name;
+ /** Binary value in data stream */
+ struct binary_value_spec spec;
+ /** Significant digits */
+ int digits;
+ /** Measured quantity */
+ enum sr_mq mq;
+ /** Measured unit */
+ enum sr_unit unit;
+};
+
+/**
+ * Read extract a value from a binary blob.
+ *
+ * @param out Pointer to output buffer.
+ * @param spec Binary value specification
+ * @param data Pointer to binary blob
+ * @param length Size of binary blob
+ * @return SR_OK on success, SR_ERR_* error code on failure.
+ */
+SR_PRIV int bv_get_value(float *out, const struct binary_value_spec *spec, const void *data, size_t length);
+
+/**
+ * Send an analog channel packet based on a binary analog channel
+ * specification.
+ *
+ * @param sdi Device instance
+ * @param ch Sigrok channel
+ * @param spec Channel specification
+ * @param data Pointer to binary blob
+ * @param length Size of binary blob
+ * @return SR_OK on success, SR_ERR_* error code on failure.
+ */
+SR_PRIV int bv_send_analog_channel(const struct sr_dev_inst *sdi, struct sr_channel *ch,
+ const struct binary_analog_channel *spec, const void *data, size_t length);
+
+/*--- crc.c -----------------------------------------------------------------*/
+
+#define SR_CRC16_DEFAULT_INIT 0xffffU
+
+/**
+ * Calculate a CRC16 checksum using the 0x8005 polynomial.
+ *
+ * This CRC16 flavor is also known as CRC16-ANSI or CRC16-MODBUS.
+ *
+ * @param crc Initial value (typically 0xffff)
+ * @param buffer Input buffer
+ * @param len Buffer length
+ * @return Checksum
+ */
+SR_PRIV uint16_t sr_crc16(uint16_t crc, const uint8_t *buffer, int len);
/*--- modbus/modbus.c -------------------------------------------------------*/
SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);
SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog *analog, void *info);
+/*--- dmm/mm38xr.c ---------------------------------------------------------*/
+
+#define METERMAN_38XR_PACKET_SIZE 15
+
+struct meterman_38xr_info { int dummy; };
+
+SR_PRIV gboolean meterman_38xr_packet_valid(const uint8_t *buf);
+SR_PRIV int meterman_38xr_parse(const uint8_t *buf, float *floatval,
+ struct sr_datafeed_analog *analog, void *info);
+
/*--- dmm/ms2115b.c ---------------------------------------------------------*/
#define MS2115B_PACKET_SIZE 9
SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval,
struct sr_datafeed_analog *analog, void *info);
+/*--- dmm/bm52x.c -----------------------------------------------------------*/
+
+#define BRYMEN_BM52X_PACKET_SIZE 24
+#define BRYMEN_BM52X_DISPLAY_COUNT 2
+
+struct brymen_bm52x_info { size_t ch_idx; };
+
+#ifdef HAVE_SERIAL_COMM
+SR_PRIV int sr_brymen_bm52x_packet_request(struct sr_serial_dev_inst *serial);
+SR_PRIV int sr_brymen_bm82x_packet_request(struct sr_serial_dev_inst *serial);
+#endif
+SR_PRIV gboolean sr_brymen_bm52x_packet_valid(const uint8_t *buf);
+SR_PRIV gboolean sr_brymen_bm82x_packet_valid(const uint8_t *buf);
+/* BM520s and BM820s protocols are similar, the parse routine is shared. */
+SR_PRIV int sr_brymen_bm52x_parse(const uint8_t *buf, float *floatval,
+ struct sr_datafeed_analog *analog, void *info);
+
+struct brymen_bm52x_state;
+
+SR_PRIV void *brymen_bm52x_state_init(void);
+SR_PRIV void brymen_bm52x_state_free(void *state);
+SR_PRIV int brymen_bm52x_config_get(void *state, uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg);
+SR_PRIV int brymen_bm52x_config_set(void *state, uint32_t key, GVariant *data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg);
+SR_PRIV int brymen_bm52x_config_list(void *state, uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg);
+SR_PRIV int brymen_bm52x_acquire_start(void *state,
+ const struct sr_dev_inst *sdi,
+ sr_receive_data_callback *cb, void **cb_data);
+
+/*--- dmm/bm85x.c -----------------------------------------------------------*/
+
+#define BRYMEN_BM85x_PACKET_SIZE_MIN 4
+
+struct brymen_bm85x_info { int dummy; };
+
+#ifdef HAVE_SERIAL_COMM
+SR_PRIV int brymen_bm85x_after_open(struct sr_serial_dev_inst *serial);
+SR_PRIV int brymen_bm85x_packet_request(struct sr_serial_dev_inst *serial);
+#endif
+SR_PRIV gboolean brymen_bm85x_packet_valid(void *state,
+ const uint8_t *buf, size_t len, size_t *pkt_len);
+SR_PRIV int brymen_bm85x_parse(void *state, const uint8_t *buf, size_t len,
+ double *floatval, struct sr_datafeed_analog *analog, void *info);
+
/*--- dmm/bm86x.c -----------------------------------------------------------*/
#define BRYMEN_BM86X_PACKET_SIZE 24
uint64_t start_time;
};
-SR_PRIV int sr_sw_limits_config_get(struct sr_sw_limits *limits, uint32_t key,
+SR_PRIV int sr_sw_limits_config_get(const struct sr_sw_limits *limits, uint32_t key,
GVariant **data);
SR_PRIV int sr_sw_limits_config_set(struct sr_sw_limits *limits, uint32_t key,
GVariant *data);
SR_PRIV void sr_sw_limits_acquisition_start(struct sr_sw_limits *limits);
SR_PRIV gboolean sr_sw_limits_check(struct sr_sw_limits *limits);
+SR_PRIV int sr_sw_limits_get_remain(const struct sr_sw_limits *limits,
+ uint64_t *samples, uint64_t *frames, uint64_t *msecs,
+ gboolean *exceeded);
SR_PRIV void sr_sw_limits_update_samples_read(struct sr_sw_limits *limits,
uint64_t samples_read);
SR_PRIV void sr_sw_limits_update_frames_read(struct sr_sw_limits *limits,
uint64_t frames_read);
SR_PRIV void sr_sw_limits_init(struct sr_sw_limits *limits);
+/*--- feed_queue.h ----------------------------------------------------------*/
+
+struct feed_queue_logic;
+struct feed_queue_analog;
+
+SR_API struct feed_queue_logic *feed_queue_logic_alloc(
+ const struct sr_dev_inst *sdi,
+ size_t sample_count, size_t unit_size);
+SR_API int feed_queue_logic_submit(struct feed_queue_logic *q,
+ const uint8_t *data, size_t count);
+SR_API int feed_queue_logic_flush(struct feed_queue_logic *q);
+SR_API int feed_queue_logic_send_trigger(struct feed_queue_logic *q);
+SR_API void feed_queue_logic_free(struct feed_queue_logic *q);
+
+SR_API struct feed_queue_analog *feed_queue_analog_alloc(
+ const struct sr_dev_inst *sdi,
+ size_t sample_count, int digits, struct sr_channel *ch);
+SR_API int feed_queue_analog_submit(struct feed_queue_analog *q,
+ float data, size_t count);
+SR_API int feed_queue_analog_flush(struct feed_queue_analog *q);
+SR_API void feed_queue_analog_free(struct feed_queue_analog *q);
+
#endif
projects / libsigrok.git / blobdiff