chromium-twinkie: add analog VBUS channels

[libsigrok.git] / src / hardware / chromium-twinkie / protocol.h

diff --git a/src/hardware/chromium-twinkie/protocol.h b/src/hardware/chromium-twinkie/protocol.h
index 8ed6987b69fbff34628939df043be58d42647ece..fbc8f57ba63e6356d3ae681895abe8bc3e5455c8 100644 (file)
--- a/src/hardware/chromium-twinkie/protocol.h
+++ b/src/hardware/chromium-twinkie/protocol.h
@@ -35,6 +35,13 @@ struct cc_context {
        uint8_t level;
 };
 
+enum vbus_group_index {
+       VBUS_V = 0,
+       VBUS_A = 1,
+
+       VBUS_GRP_COUNT = 2
+};
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
        /** Maximum number of samples to capture, if nonzero. */
@@ -50,10 +57,20 @@ struct dev_context {
        struct sr_context *ctx;
 
        struct cc_context cc[2];
+       int vbus_channels;
+       char vbus_data[64];
+       uint64_t vbus_t0;
+       uint64_t vbus_delta;
+        struct sr_datafeed_analog vbus_packet[VBUS_GRP_COUNT];
+        struct sr_analog_meaning vbus_meaning[VBUS_GRP_COUNT];
+        struct sr_analog_encoding vbus_encoding;
+        struct sr_analog_spec vbus_spec;
 };
 
 SR_PRIV int twinkie_start_acquisition(const struct sr_dev_inst *sdi);
 SR_PRIV int twinkie_init_device(const struct sr_dev_inst *sdi);
 SR_PRIV void LIBUSB_CALL twinkie_receive_transfer(struct libusb_transfer *transfer);
+SR_PRIV void LIBUSB_CALL twinkie_vbus_sent(struct libusb_transfer *transfer);
+SR_PRIV void LIBUSB_CALL twinkie_vbus_recv(struct libusb_transfer *transfer);
 
 #endif