sr: fx2lafw: Fix potential leaks in acquisition_start error paths

[libsigrok.git] / hardware / fx2lafw / command.h

diff --git a/hardware/fx2lafw/command.h b/hardware/fx2lafw/command.h
index cbb76d7fff0713556bb680a2652f284c30e76eae..37f965cc42e7338175adf73665229217f55bc6bd 100644 (file)
--- a/hardware/fx2lafw/command.h
+++ b/hardware/fx2lafw/command.h
@@ -17,8 +17,46 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef LIBSIGROK_HARDWARE_FX2LAFW_COMMAND_H
+#define LIBSIGROK_HARDWARE_FX2LAFW_COMMAND_H
+
+#include <glib.h>
+#include "sigrok.h"
+
 /* Protocol commands */
-#define CMD_GET_FW_VERSION     0xb0
-#define CMD_START              0xb1
+#define CMD_GET_FW_VERSION             0xb0
+#define CMD_START                      0xb1
+#define CMD_GET_REVID_VERSION          0xb2
+
+#define CMD_START_FLAGS_WIDE_POS       5
+#define CMD_START_FLAGS_CLK_SRC_POS    6
+
+#define CMD_START_FLAGS_SAMPLE_8BIT    (0 << CMD_START_FLAGS_WIDE_POS)
+#define CMD_START_FLAGS_SAMPLE_16BIT   (1 << CMD_START_FLAGS_WIDE_POS)
+
+#define CMD_START_FLAGS_CLK_30MHZ      (0 << CMD_START_FLAGS_CLK_SRC_POS)
+#define CMD_START_FLAGS_CLK_48MHZ      (1 << CMD_START_FLAGS_CLK_SRC_POS)
+
+#pragma pack(push, 1)
+
+struct version_info {
+       uint8_t major;
+       uint8_t minor;
+};
+
+struct cmd_start_acquisition {
+       uint8_t flags;
+       uint8_t sample_delay_h;
+       uint8_t sample_delay_l;
+};
+
+#pragma pack(pop)
+
+SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
+                                  struct version_info *vi);
+SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
+                                     uint8_t *revid);
+SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
+                                     uint64_t samplerate, gboolean samplewide);
 
-int command_start_acquisition(libusb_device_handle *devhdl);
+#endif