saleae-logicpro: Initial implementation.

[libsigrok.git] / src / hardware / saleae-logicpro / protocol.h

diff --git a/src/hardware/saleae-logicpro/protocol.h b/src/hardware/saleae-logicpro/protocol.h
index 5c49136af9ec23da95cd546aff634c0a6e183438..2ac0af10fdcd3db97f5212eb5b4233f2cfa9063b 100644 (file)
--- a/src/hardware/saleae-logicpro/protocol.h
+++ b/src/hardware/saleae-logicpro/protocol.h
@@ -27,18 +27,40 @@
 
 #define LOG_PREFIX "saleae-logicpro"
 
+/* 16 channels * 32 samples */
+#define CONV_BATCH_SIZE (2*32)
+/* one packet + one partial conversion:
+ * worst case is only one active channel converted to 2 bytes per sample, with
+ * 8*16384 samples per packet
+ */
+#define CONV_BUFFER_SIZE (2*8*16384 + CONV_BATCH_SIZE)
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
-       /* Model-specific information */
-
        /* Acquisition settings */
+       unsigned int dig_channel_cnt;
+       uint16_t dig_channel_mask;
+       uint16_t dig_channel_masks[16];
+       uint64_t dig_samplerate;
 
        /* Operational state */
+       uint32_t lfsr;
 
        /* Temporary state across callbacks */
+       unsigned int num_transfers;
+       unsigned int submitted_transfers;
+       struct libusb_transfer **transfers;
 
+       /* Conversion buffer */
+       uint8_t *conv_buffer;
+       unsigned int conv_size;
+       unsigned int batch_index;
 };
 
-SR_PRIV int saleae_logicpro_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int saleae_logicpro_init(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logicpro_prepare(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logicpro_start(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logicpro_stop(const struct sr_dev_inst *sdi);
+SR_PRIV void LIBUSB_CALL saleae_logicpro_receive_data(struct libusb_transfer *transfer);
 
 #endif