X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fpipistrello-ols%2Fprotocol.c;h=1b54dd164e23075f4fb3c77c53fb3a810d5bf081;hb=e1a712ca268df9c179377cf5c48ece8b87ed0ed7;hp=dbe79c6a5a385283e5912d1b12231ab40cc6565c;hpb=91057d2fc24c0ca058aa08c8ea6ada4eadf05ffd;p=libsigrok.git

diff --git a/src/hardware/pipistrello-ols/protocol.c b/src/hardware/pipistrello-ols/protocol.c
index dbe79c6a..1b54dd16 100644
--- a/src/hardware/pipistrello-ols/protocol.c
+++ b/src/hardware/pipistrello-ols/protocol.c
@@ -73,7 +73,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 
 	/* Note: Caller checks devc and devc->ftdic. */
 
-	/* Select interface B, otherwise communication will fail. */
 	ret = ftdi_set_interface(devc->ftdic, INTERFACE_B);
 	if (ret < 0) {
 		sr_err("Failed to set FTDI interface B (%d): %s", ret,
@@ -81,7 +80,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 		return SR_ERR;
 	}
 
-	/* Check for the device and temporarily open it. */
 	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
 				 USB_IPRODUCT, NULL);
 	if (ret < 0) {
@@ -92,14 +90,12 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 		return SR_ERR;
 	}
 
-	/* Purge RX/TX buffers in the FTDI chip. */
-	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
+	if ((ret = PURGE_FTDI_BOTH(devc->ftdic)) < 0) {
 		sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
 		       ret, ftdi_get_error_string(devc->ftdic));
 		goto err_open_close_ftdic;
 	}
 
-	/* Reset the FTDI bitmode. */
 	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
 	if (ret < 0) {
 		sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
@@ -107,7 +103,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 		goto err_open_close_ftdic;
 	}
 
-	/* Set the FTDI latency timer to 16. */
 	ret = ftdi_set_latency_timer(devc->ftdic, 16);
 	if (ret < 0) {
 		sr_err("Failed to set FTDI latency timer (%d): %s.",
@@ -115,7 +110,6 @@ SR_PRIV int p_ols_open(struct dev_context *devc)
 		goto err_open_close_ftdic;
 	}
 
-	/* Set the FTDI read data chunk size to 64kB. */
 	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
 	if (ret < 0) {
 		sr_err("Failed to set FTDI read data chunk size (%d): %s.",
@@ -216,7 +210,7 @@ SR_PRIV struct sr_dev_inst *p_ols_get_metadata(uint8_t *buf, int bytes_read, str
 	uint8_t key, type, token;
 	GString *tmp_str, *devname, *version;
 	guchar tmp_c;
-	int index, i;
+	int index;
 
 	sdi = g_malloc0(sizeof(struct sr_dev_inst));
 	sdi->status = SR_ST_INACTIVE;
@@ -270,10 +264,8 @@ SR_PRIV struct sr_dev_inst *p_ols_get_metadata(uint8_t *buf, int bytes_read, str
 			break;
 		case 1:
 			/* 32-bit unsigned integer */
-			tmp_int = 0;
-			for (i = 0; i < 4; i++) {
-				tmp_int = (tmp_int << 8) | buf[index++];
-			}
+			tmp_int = RB32(&buf[index]);
+			index += sizeof(uint32_t);
 			sr_dbg("Got metadata key 0x%.2x value 0x%.8x.",
 			       key, tmp_int);
 			switch (token) {
@@ -644,8 +636,7 @@ SR_PRIV int p_ols_receive_data(int fd, int revents, void *cb_data)
 			}
 
 			/* Send the trigger. */
-			packet.type = SR_DF_TRIGGER;
-			sr_session_send(sdi, &packet);
+			std_session_send_df_trigger(sdi);
 
 			/* Send post-trigger samples. */
 			packet.type = SR_DF_LOGIC;