X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=3ab181b3f87c80e2eb6a8d60e634aee8368b08bc;hb=81b3ce374c3b6d48e5ed321ac7a871ce4248a0bb;hp=71fc79a9a6c69e9a710775f8854e57b7d3e54141;hpb=0c5f2abc6697504b5d760dfa56cc90bea180198f;p=libsigrok.git diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h index 71fc79a9..3ab181b3 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 @@ -156,6 +170,20 @@ ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \ ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while (0) +/** + * 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__ #define LIBUSB_CLASS_APPLICATION 0xfe @@ -174,14 +202,15 @@ #endif struct sr_context { + struct sr_dev_driver **driver_list; #ifdef HAVE_LIBUSB_1_0 libusb_context *libusb_ctx; gboolean usb_source_present; #ifdef _WIN32 GThread *usb_thread; gboolean usb_thread_running; - GMutex usb_mutex; - HANDLE usb_event; + HANDLE usb_wait_request_event; + HANDLE usb_wait_complete_event; GPollFD usb_pollfd; sr_receive_data_callback usb_cb; void *usb_cb_data; @@ -339,6 +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. @@ -402,7 +436,7 @@ struct sr_output_module { int (*init) (struct sr_output *o, GHashTable *options); /** - * This function is passed a copy of every packed in the data feed. + * This function is passed a copy of every packet in the data feed. * Any output generated by the output module in response to the * packet should be returned in a newly allocated GString * out, which will be freed by the caller. @@ -645,9 +679,11 @@ SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc); /*--- hwdriver.c ------------------------------------------------------------*/ +extern SR_PRIV struct sr_dev_driver **drivers_lists[]; + SR_PRIV const GVariantType *sr_variant_type_get(int datatype); SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *data); -SR_PRIV void sr_hw_cleanup_all(void); +SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx); SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data); SR_PRIV void sr_config_free(struct sr_config *src); SR_PRIV int sr_source_remove(int fd); @@ -663,6 +699,8 @@ SR_PRIV int sr_source_add_channel(GIOChannel *channel, int events, int timeout, /*--- session.c -------------------------------------------------------------*/ struct sr_session { + /** Context this session exists in. */ + struct sr_context *ctx; /** List of struct sr_dev_inst pointers. */ GSList *devs; /** List of struct sr_dev_inst pointers owned by this session. */ @@ -925,6 +963,59 @@ 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); +/*--- modbus/modbus.c -------------------------------------------------------*/ + +struct sr_modbus_dev_inst { + const char *name; + const char *prefix; + int priv_size; + 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 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_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_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 ------------------------------------------------*/ /**