((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
((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
#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;
*/
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.
*/
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.
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
* <code>out</code>, which will be freed by the caller.
/*--- 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);
/*--- 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. */
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 ------------------------------------------------*/
projects / libsigrok.git / blobdiff