From: Aurelien Jacobs <redacted>
Date: Sun, 29 Dec 2013 16:15:42 +0000 (+0100)
Subject: es519xx: correctly handle the VAHZ function
X-Git-Tag: libsigrok-0.3.0~364
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=29bad967a437f3e14a01b043ccca483e890346bc;p=libsigrok.git

es519xx: correctly handle the VAHZ function

This handles the frequency and duty cycle display in voltage or current mode.
---

diff --git a/hardware/common/dmm/es519xx.c b/hardware/common/dmm/es519xx.c
index 66e6f5f5..510fd4f3 100644
--- a/hardware/common/dmm/es519xx.c
+++ b/hardware/common/dmm/es519xx.c
@@ -412,6 +412,23 @@ static void parse_flags(const uint8_t *buf, struct es519xx_info *info)
 		}
 	}
 
+	if (info->is_vahz && (info->is_voltage || info->is_current)) {
+		info->is_voltage = FALSE;
+		info->is_current = FALSE;
+		info->is_milli = info->is_micro = FALSE;
+		if (info->packet_size == 14) {
+			if (info->is_judge)
+				info->is_duty_cycle = TRUE;
+			else
+				info->is_frequency = TRUE;
+		} else {
+			if (info->is_judge)
+				info->is_rpm = TRUE;
+			else
+				info->is_frequency = TRUE;
+		}
+	}
+
 	if (info->is_current && (info->is_micro || info->is_milli) && info->is_vasel) {
 		info->is_current = info->is_auto = FALSE;
 		info->is_voltage = TRUE;