X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=4b3daf441151c9d5ed1cfef08c83a4855febc77d;hb=91ef511db2370904f8765a13e315fbddaf5ffe07;hp=9060e2a77b707a913363aa4ea1662b317b6699a0;hpb=76372c5a9ce25d94ee992a5c84b8135f0d945293;p=libsigrok.git diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h index 9060e2a7..4b3daf44 100644 --- a/src/libsigrok-internal.h +++ b/src/libsigrok-internal.h @@ -113,6 +113,20 @@ ((unsigned)((const uint8_t*)(x))[1] << 8) | \ (unsigned)((const uint8_t*)(x))[0])) +/** + * Read a 32 bits big endian float out of memory. + * @param x a pointer to the input memory + * @return the corresponding float + */ +#define RBFL(x) ((union { uint32_t u; float f; }) { .u = RB32(x) }.f) + +/** + * Read a 32 bits little endian float out of memory. + * @param x a pointer to the input memory + * @return the corresponding float + */ +#define RLFL(x) ((union { uint32_t u; float f; }) { .u = RL32(x) }.f) + /** * Write a 8 bits unsigned integer to memory. * @param p a pointer to the output memory @@ -156,7 +170,19 @@ ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \ ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while (0) -#define PI 3.1415926535897932384626433832795 +/** + * Write a 32 bits float to memory stored as big endian. + * @param p a pointer to the output memory + * @param x the input float + */ +#define WBFL(p, x) WB32(p, (union { uint32_t u; float f; }) { .f = x }.u) + +/** + * Write a 32 bits float to memory stored as little endian. + * @param p a pointer to the output memory + * @param x the input float + */ +#define WLFL(p, x) WL32(p, (union { uint32_t u; float f; }) { .f = x }.u) /* Portability fixes for FreeBSD. */ #ifdef __FreeBSD__ @@ -342,6 +368,11 @@ struct sr_output { */ const struct sr_dev_inst *sdi; + /** + * The name of the file that the data should be written to. + */ + const char *filename; + /** * A generic pointer which can be used by the module to keep internal * state between calls into its callback functions. @@ -381,6 +412,13 @@ struct sr_output_module { */ const char *const *exts; + /** + * Bitfield containing flags that describe certain properties + * this output module may or may not have. + * @see sr_output_flags + */ + const uint64_t flags; + /** * Returns a NULL-terminated list of options this module can take. * Can be NULL, if the module has no options. @@ -834,103 +872,59 @@ SR_PRIV int usb_source_remove(struct sr_session *session, struct sr_context *ctx SR_PRIV int usb_get_port_path(libusb_device *dev, char *path, int path_len); #endif -/*--- hardware/scpi.c -------------------------------------------------------*/ -#define SCPI_CMD_IDN "*IDN?" -#define SCPI_CMD_OPC "*OPC?" - -enum { - SCPI_CMD_SET_TRIGGER_SOURCE, - SCPI_CMD_SET_TIMEBASE, - SCPI_CMD_SET_VERTICAL_DIV, - SCPI_CMD_SET_TRIGGER_SLOPE, - SCPI_CMD_SET_COUPLING, - SCPI_CMD_SET_HORIZ_TRIGGERPOS, - SCPI_CMD_GET_ANALOG_CHAN_STATE, - SCPI_CMD_GET_DIG_CHAN_STATE, - SCPI_CMD_GET_TIMEBASE, - SCPI_CMD_GET_VERTICAL_DIV, - SCPI_CMD_GET_VERTICAL_OFFSET, - SCPI_CMD_GET_TRIGGER_SOURCE, - SCPI_CMD_GET_HORIZ_TRIGGERPOS, - SCPI_CMD_GET_TRIGGER_SLOPE, - SCPI_CMD_GET_COUPLING, - SCPI_CMD_SET_ANALOG_CHAN_STATE, - SCPI_CMD_SET_DIG_CHAN_STATE, - SCPI_CMD_GET_DIG_POD_STATE, - SCPI_CMD_SET_DIG_POD_STATE, - SCPI_CMD_GET_ANALOG_DATA, - SCPI_CMD_GET_DIG_DATA, - SCPI_CMD_GET_SAMPLE_RATE, - SCPI_CMD_GET_SAMPLE_RATE_LIVE, -}; - -struct sr_scpi_hw_info { - char *manufacturer; - char *model; - char *serial_number; - char *firmware_version; -}; +/*--- modbus/modbus.c -------------------------------------------------------*/ -struct sr_scpi_dev_inst { +struct sr_modbus_dev_inst { const char *name; const char *prefix; int priv_size; - GSList *(*scan)(struct drv_context *drvc); - int (*dev_inst_new)(void *priv, struct drv_context *drvc, - const char *resource, char **params, const char *serialcomm); + GSList *(*scan)(int modbusaddr); + int (*dev_inst_new)(void *priv, const char *resource, + char **params, const char *serialcomm, int modbusaddr); int (*open)(void *priv); int (*source_add)(struct sr_session *session, void *priv, int events, int timeout, sr_receive_data_callback cb, void *cb_data); int (*source_remove)(struct sr_session *session, void *priv); - int (*send)(void *priv, const char *command); - int (*read_begin)(void *priv); - int (*read_data)(void *priv, char *buf, int maxlen); - int (*read_complete)(void *priv); + int (*send)(void *priv, const uint8_t *buffer, int buffer_size); + int (*read_begin)(void *priv, uint8_t *function_code); + int (*read_data)(void *priv, uint8_t *buf, int maxlen); + int (*read_end)(void *priv); int (*close)(void *priv); void (*free)(void *priv); unsigned int read_timeout_ms; void *priv; }; -SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options, - struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi)); -SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc, - const char *resource, const char *serialcomm); -SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi); -SR_PRIV int sr_scpi_source_add(struct sr_session *session, - struct sr_scpi_dev_inst *scpi, int events, int timeout, +SR_PRIV GSList *sr_modbus_scan(struct drv_context *drvc, GSList *options, + struct sr_dev_inst *(*probe_device)(struct sr_modbus_dev_inst *modbus)); +SR_PRIV struct sr_modbus_dev_inst *modbus_dev_inst_new(const char *resource, + const char *serialcomm, int modbusaddr); +SR_PRIV int sr_modbus_open(struct sr_modbus_dev_inst *modbus); +SR_PRIV int sr_modbus_source_add(struct sr_session *session, + struct sr_modbus_dev_inst *modbus, int events, int timeout, sr_receive_data_callback cb, void *cb_data); -SR_PRIV int sr_scpi_source_remove(struct sr_session *session, - struct sr_scpi_dev_inst *scpi); -SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi, - const char *format, ...); -SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi, - const char *format, va_list args); -SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi); -SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen); -SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi); -SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi); -SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi); - -SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi, - const char *command, char **scpi_response); -SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi, - const char *command, gboolean *scpi_response); -SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi, - const char *command, int *scpi_response); -SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi, - const char *command, float *scpi_response); -SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi, - const char *command, double *scpi_response); -SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi); -SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi, - const char *command, GArray **scpi_response); -SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi, - const char *command, GArray **scpi_response); -SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi, - struct sr_scpi_hw_info **scpi_response); -SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info); +SR_PRIV int sr_modbus_source_remove(struct sr_session *session, + struct sr_modbus_dev_inst *modbus); +SR_PRIV int sr_modbus_request(struct sr_modbus_dev_inst *modbus, + uint8_t *request, int request_size); +SR_PRIV int sr_modbus_reply(struct sr_modbus_dev_inst *modbus, + uint8_t *reply, int reply_size); +SR_PRIV int sr_modbus_request_reply(struct sr_modbus_dev_inst *modbus, + uint8_t *request, int request_size, + uint8_t *reply, int reply_size); +SR_PRIV int sr_modbus_read_coils(struct sr_modbus_dev_inst *modbus, + int address, int nb_coils, uint8_t *coils); +SR_PRIV int sr_modbus_read_holding_registers(struct sr_modbus_dev_inst *modbus, + int address, int nb_registers, + uint16_t *registers); +SR_PRIV int sr_modbus_write_coil(struct sr_modbus_dev_inst *modbus, + int address, int value); +SR_PRIV int sr_modbus_write_multiple_registers(struct sr_modbus_dev_inst*modbus, + int address, int nb_registers, + uint16_t *registers); +SR_PRIV int sr_modbus_close(struct sr_modbus_dev_inst *modbus); +SR_PRIV void sr_modbus_free(struct sr_modbus_dev_inst *modbus); /*--- hardware/dmm/es519xx.c ------------------------------------------------*/