lascar-el-usb: support for EL-USB-2*

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

diff --git a/hardware/lascar-el-usb/api.c b/hardware/lascar-el-usb/api.c
index 68a06eb1513f33300b5e8895d8f89bdeefd8f8e9..049c7b519e35286ea0505252b39577882279c839 100644 (file)
--- a/hardware/lascar-el-usb/api.c
+++ b/hardware/lascar-el-usb/api.c
@@ -317,12 +317,20 @@ static int lascar_proc_config(const struct sr_dev_inst *sdi)
        ret = SR_OK;
        switch (devc->profile->logformat) {
        case LOG_TEMP_RH:
-               /* TODO */
+               devc->sample_size = 2;
+               devc->temp_unit = devc->config[0x2e] | (devc->config[0x2f] << 8);
+               if (devc->temp_unit != 0 && devc->temp_unit != 1) {
+                       sr_dbg("invalid temperature unit %d", devc->temp_unit);
+                       /* Default to Celcius, we're all adults here. */
+                       devc->temp_unit = 0;
+               } else
+                       sr_dbg("temperature unit is %s", devc->temp_unit
+                                       ? "Fahrenheit" : "Celcius");
                break;
        case LOG_CO:
                devc->sample_size = 2;
-               devc->co_high = binary32_le_to_float(devc->config + 36);
-               devc->co_low = binary32_le_to_float(devc->config + 40);
+               devc->co_high = binary32_le_to_float(devc->config + 0x24);
+               devc->co_low = binary32_le_to_float(devc->config + 0x28);
                sr_dbg("EL-USB-CO calibration high %f low %f", devc->co_high,
                                devc->co_low);
                break;