X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=db74dcc27e515f04b364c9425b9c5b48a5cb7f9a;hb=d8fbfcd9d6d66bffcb8607e9de7706ce322d42c7;hp=25297f4c9386561d8583494cf9e2c2c75e7cd3f6;hpb=d65f51bf5c549e5dbacb5c6fb6636e482ff02da8;p=libsigrok.git

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 25297f4c..db74dcc2 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -32,6 +32,9 @@
 #ifdef HAVE_LIBUSB_1_0
 #include <libusb.h>
 #endif
+#ifdef HAVE_LIBFTDI
+#include <ftdi.h>
+#endif
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -447,6 +450,19 @@ static inline void write_u16le(uint8_t *p, uint16_t x)
 }
 #define WL16(p, x) write_u16le((uint8_t *)(p), (uint16_t)(x))
 
+/**
+ * Write a 24 bits unsigned integer to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input unsigned integer
+ */
+static inline void write_u24le(uint8_t *p, uint32_t x)
+{
+	p[0] = x & 0xff; x >>= 8;
+	p[1] = x & 0xff; x >>= 8;
+	p[2] = x & 0xff; x >>= 8;
+}
+#define WL24(p, x) write_u24le((uint8_t *)(p), (uint32_t)(x))
+
 /**
  * Write a 32 bits unsigned integer to memory stored as big endian.
  * @param p a pointer to the output memory
@@ -475,6 +491,21 @@ static inline void write_u32le(uint8_t *p, uint32_t x)
 }
 #define WL32(p, x) write_u32le((uint8_t *)(p), (uint32_t)(x))
 
+/**
+ * Write a 40 bits unsigned integer to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input unsigned integer
+ */
+static inline void write_u40le(uint8_t *p, uint64_t x)
+{
+	p[0] = x & 0xff; x >>= 8;
+	p[1] = x & 0xff; x >>= 8;
+	p[2] = x & 0xff; x >>= 8;
+	p[3] = x & 0xff; x >>= 8;
+	p[4] = x & 0xff; x >>= 8;
+}
+#define WL40(p, x) write_u40le((uint8_t *)(p), (uint64_t)(x))
+
 /**
  * Write a 48 bits unsigned integer to memory stored as little endian.
  * @param p a pointer to the output memory
@@ -895,6 +926,19 @@ static inline void write_u16le_inc(uint8_t **p, uint16_t x)
 	*p += sizeof(x);
 }
 
+/**
+ * Write unsigned 24bit liggle endian integer to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_u24le_inc(uint8_t **p, uint32_t x)
+{
+	if (!p || !*p)
+		return;
+	write_u24le(*p, x);
+	*p += 3 * sizeof(uint8_t);
+}
+
 /**
  * Write unsigned 32bit big endian integer to raw memory, increment write position.
  * @param[in, out] p Pointer into byte stream.
@@ -921,6 +965,19 @@ static inline void write_u32le_inc(uint8_t **p, uint32_t x)
 	*p += sizeof(x);
 }
 
+/**
+ * Write unsigned 40bit little endian integer to raw memory, increment write position.
+ * @param[in, out] p Pointer into byte stream.
+ * @param[in] x Value to write.
+ */
+static inline void write_u40le_inc(uint8_t **p, uint64_t x)
+{
+	if (!p || !*p)
+		return;
+	write_u40le(*p, x);
+	*p += 5 * sizeof(uint8_t);
+}
+
 /**
  * Write unsigned 48bit little endian integer to raw memory, increment write position.
  * @param[in, out] p Pointer into byte stream.
@@ -981,6 +1038,21 @@ static inline void write_dblle_inc(uint8_t **p, double x)
 	libusb_handle_events_timeout(ctx, tv)
 #endif
 
+/*
+ * Convenience for FTDI library version dependency.
+ * - Version 1.5 introduced ftdi_tciflush(), ftdi_tcoflush(), and
+ *   ftdi_tcioflush() all within the same commit, and deprecated
+ *   ftdi_usb_purge_buffers() which suffered from inverse semantics.
+ *   The API is drop-in compatible (arguments count and data types are
+ *   identical). The libsigrok source code always flushes RX and TX at
+ *   the same time, never individually.
+ */
+#if defined HAVE_FTDI_TCIOFLUSH && HAVE_FTDI_TCIOFLUSH
+#  define PURGE_FTDI_BOTH ftdi_tcioflush
+#else
+#  define PURGE_FTDI_BOTH ftdi_usb_purge_buffers
+#endif
+
 /* Static definitions of structs ending with an all-zero entry are a
  * problem when compiling with -Wmissing-field-initializers: GCC
  * suppresses the warning only with { 0 }, clang wants { } */
@@ -1573,6 +1645,11 @@ SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi
 SR_PRIV gboolean sr_channels_differ(struct sr_channel *ch1, struct sr_channel *ch2);
 SR_PRIV gboolean sr_channel_lists_differ(GSList *l1, GSList *l2);
 
+SR_PRIV struct sr_channel_group *sr_channel_group_new(struct sr_dev_inst *sdi,
+	const char *name, void *priv);
+SR_PRIV void sr_channel_group_free(struct sr_channel_group *cg);
+SR_PRIV void sr_channel_group_free_cb(void *cg);
+
 /** Device instance data */
 struct sr_dev_inst {
 	/** Device driver. */
@@ -1611,6 +1688,7 @@ SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
 		uint8_t address, struct libusb_device_handle *hdl);
 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
+SR_PRIV void sr_usb_dev_inst_free_cb(gpointer p); /* Glib wrapper. */
 #endif
 
 #ifdef HAVE_SERIAL_COMM