X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=hardware%2Fatten-pps3xxx%2Fprotocol.h;h=1441305d9730c0d28552f0147615c3b63c6c041a;hp=a049c7d8f1d5a7370a95670cb4d55cbd9f7be4fe;hb=43cd4637285833706f8a404ca027bcf0ee75b9ae;hpb=fa0d6afe19c3a545f3f940933ed079966525d142

diff --git a/hardware/atten-pps3xxx/protocol.h b/hardware/atten-pps3xxx/protocol.h
index a049c7d8..1441305d 100644
--- a/hardware/atten-pps3xxx/protocol.h
+++ b/hardware/atten-pps3xxx/protocol.h
@@ -25,21 +25,78 @@
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
-/* Message logging helpers with subsystem-specific prefix string. */
 #define LOG_PREFIX "atten-pps3xxx"
 
+/* Packets to/from the device. */
+#define PACKET_SIZE 24
+
+enum {
+	PPS_3203T_3S,
+	PPS_3203T_2S,
+	PPS_3205T_3S,
+	PPS_3205T_2S,
+	PPS_3003S,
+	PPS_3005S,
+};
+
+/* Maximum number of output channels handled by this driver. */
+#define MAX_CHANNELS 3
+
+#define CHANMODE_INDEPENDENT 1 << 0
+#define CHANMODE_SERIES      1 << 1
+#define CHANMODE_PARALLEL    1 << 2
+
+struct channel_spec {
+	/* Min, max, step. */
+	gdouble voltage[3];
+	gdouble current[3];
+};
+
+struct pps_model {
+	int modelid;
+	char *name;
+	int channel_modes;
+	int num_channels;
+	struct channel_spec channels[MAX_CHANNELS];
+};
+
+struct per_channel_config {
+	/* Received from device. */
+	gdouble output_voltage_last;
+	gdouble output_current_last;
+	gboolean output_enabled;
+	/* Set by frontend. */
+	gdouble output_voltage_max;
+	gdouble output_current_max;
+	gboolean output_enabled_set;
+};
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
 	/* Model-specific information */
+	struct pps_model *model;
 
-	/* Acquisition settings */
+	/* Acquisition state */
+	gboolean acquisition_running;
 
 	/* Operational state */
+	gboolean config_dirty;
+	struct per_channel_config *config;
+	/* Received from device. */
+	int channel_mode;
+	gboolean over_current_protection;
+	/* Set by frontend. */
+	int channel_mode_set;
+	gboolean over_current_protection_set;
 
 	/* Temporary state across callbacks */
+	uint8_t packet[PACKET_SIZE];
+	int packet_size;
 
 };
 
 SR_PRIV int atten_pps3xxx_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV void send_packet(const struct sr_dev_inst *sdi, uint8_t *packet);
+SR_PRIV void send_config(const struct sr_dev_inst *sdi);
 
 #endif