+ unsigned int i, j, segments, value, divisor;
+ char hex[3];
+
+ (void) info;
+
+ hex[2] = '\0';
+ value = 0;
+ divisor = 1;
+
+ for (i = 0; i < 5; i++) {
+ for (j = 0; j < 2; j++) {
+ hex[j] = buf[2*i + 1 + j];
+ if (hex[j] > 0x39)
+ hex[j] += 7;
+ }
+ segments = strtol(hex, NULL, 16);
+ for (j = 0; j < ARRAY_SIZE(lookup); j++) {
+ if (lookup[j] == (segments & ~DECIMAL_POINT_MASK)) {
+ value += j * pow(10, i);
+ break;
+ }
+ }
+ if (segments & DECIMAL_POINT_MASK)
+ divisor = pow(10, i);
+ }
+
+ *floatval = (float) value / divisor;
+
+ analog->mq = SR_MQ_FREQUENCY;
+ analog->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE;
+