#define USB_TIMEOUT 500
-static char char_map[128] = {
+static const char char_map[128] = {
[0x20] = '-',
[0x5F] = '0',
[0x50] = '1',
} else if (buf[9] & 0x04) {
analog[1].mq = SR_MQ_CURRENT;
analog[1].unit = SR_UNIT_AMPERE;
+ } else if (buf[9] & 0x08) {
+ analog[1].mq = SR_MQ_CURRENT;
+ analog[1].unit = SR_UNIT_PERCENTAGE;
} else if (buf[14] & 0x04) {
analog[1].mq = SR_MQ_FREQUENCY;
analog[1].unit = SR_UNIT_HERTZ;