#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+#define BUF_SIZE 32
+/* When in hold mode, force the last measurement out at this interval.
+ * We're using 50ms, which duplicates the non-hold 20Hz update rate. */
+#define HOLD_REPEAT_INTERVAL 50 * 1000
+
+enum {
+ TOKEN_WEIGHT_TIME_FAST = 0x02,
+ TOKEN_WEIGHT_TIME_SLOW = 0x03,
+ TOKEN_HOLD_MAX = 0x04,
+ TOKEN_HOLD_MIN = 0x05,
+ TOKEN_TIME = 0x06,
+ TOKEN_MEAS_RANGE_OVER = 0x07,
+ TOKEN_MEAS_RANGE_UNDER = 0x08,
+ TOKEN_STORE_FULL = 0x09,
+ TOKEN_RECORDING_ON = 0x0a,
+ TOKEN_MEAS_WAS_READOUT = 0x0b,
+ TOKEN_MEAS_WAS_BARGRAPH = 0x0c,
+ TOKEN_MEASUREMENT = 0xd,
+ TOKEN_HOLD_NONE = 0x0e,
+ TOKEN_BATTERY_LOW = 0x0f,
+ TOKEN_MEAS_RANGE_OK = 0x11,
+ TOKEN_STORE_OK = 0x19,
+ TOKEN_RECORDING_OFF = 0x1a,
+ TOKEN_WEIGHT_FREQ_A = 0x1b,
+ TOKEN_WEIGHT_FREQ_C = 0x1c,
+ TOKEN_BATTERY_OK = 0x1f,
+ TOKEN_MEAS_RANGE_30_80 = 0x30,
+ TOKEN_MEAS_RANGE_30_130 = 0x40,
+ TOKEN_MEAS_RANGE_50_100 = 0x4b,
+ TOKEN_MEAS_RANGE_80_130 = 0x4c,
+};
+
+enum {
+ CMD_TOGGLE_RECORDING = 0x55,
+ CMD_TOGGLE_WEIGHT_FREQ = 0x99,
+ CMD_TOGGLE_WEIGHT_TIME = 0x77,
+ CMD_TOGGLE_HOLD_MAX_MIN = 0x11,
+};
+
/** Private, per-device-instance driver context. */
struct dev_context {
- /* Model-specific information */
+ /* Device state */
+ uint64_t cur_mqflags;
+ int recording;
/* Acquisition settings */
+ uint64_t limit_samples;
/* Operational state */
+ int state;
+ uint64_t num_samples;
/* Temporary state across callbacks */
+ void *cb_data;
+ unsigned char cmd;
+ unsigned char token;
+ int buf_len;
+ unsigned char buf[BUF_SIZE];
+ float last_spl;
+ gint64 hold_last_sent;
+};
+/* Parser state machine. */
+enum {
+ ST_INIT,
+ ST_GET_TOKEN,
+ ST_GET_DATA,
+ ST_GET_LOG,
};
SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int cem_dt_885x_recording_set(const struct sr_dev_inst *sdi, gboolean start);
+SR_PRIV gboolean cem_dt_885x_recording_get(const struct sr_dev_inst *sdi,
+ int *state);
+SR_PRIV int cem_dt_885x_weight_freq_get(const struct sr_dev_inst *sdi);
+SR_PRIV int cem_dt_885x_weight_freq_set(const struct sr_dev_inst *sdi, int freqw);
+SR_PRIV int cem_dt_885x_weight_time_get(const struct sr_dev_inst *sdi);
+SR_PRIV int cem_dt_885x_weight_time_set(const struct sr_dev_inst *sdi, int timew);
+SR_PRIV int cem_dt_885x_holdmode_get(const struct sr_dev_inst *sdi,
+ gboolean *holdmode);
+SR_PRIV int cem_dt_885x_holdmode_set(const struct sr_dev_inst *sdi, int holdmode);
#endif