lascar-el-usb: properly submit CO concentration as a PPM value

[libsigrok.git] / hardware / lascar-el-usb / protocol.c

diff --git a/hardware/lascar-el-usb/protocol.c b/hardware/lascar-el-usb/protocol.c
index db46ee5efd1e783faec81901adafe94b091fed74..f92611dafa2a201354909fd2cac6fd41a316ddad 100644 (file)
--- a/hardware/lascar-el-usb/protocol.c
+++ b/hardware/lascar-el-usb/protocol.c
@@ -405,7 +405,7 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf,
                        break;
                for (i = 0; i < samples; i++) {
                        s = (buf[i * 2] << 8) | buf[i * 2 + 1];
-                       analog.data[i] = s * devc->co_high + devc->co_low;
+                       analog.data[i] = (s * devc->co_high + devc->co_low) / 1000000;
                        if (analog.data[i] < 0.0)
                                analog.data[i] = 0.0;
                }