Fix LNA3/LEU3 Radio Reset times fixing Verizon on Telit 20.00.12 FW2.2.1

1 files changed, 11 insertions, 4 deletions

diff --git a/io-module/mths.c b/io-module/mths.c
index 79ba885..224e918 100644
--- a/io-module/mths.c
+++ b/io-module/mths.c
@@ -392,17 +392,21 @@ static int radio_on_mths(void)
     log_info("turning on radio");
     gpio_set_value(onoff_pin->pin.gpio, 0);
 
-    msleep(5500);
+    // ref:Telit_LE910_V2_Hardware_User_Guide_r9.pdf
+    //    pg 32: When USB is connected or after firmware updating,
+    //    delay must be equal at least to 10 seconds.
+    msleep(10500);
 
     // set on/off pin high
     gpio_set_value(onoff_pin->pin.gpio, 1);
+    log_info("radio_on_mths: radio should be coming up");
 
     msleep(200);
 
     // check that power is high
     value = gpio_get_value(pwrmon_pin->pin.gpio);
     if(value == 0) {
-        log_warning("radio is still off. performing radio reset");
+        log_warning("radio_on_mths: radio is still off. performing radio reset");
         //Perform Hard Reset
         gpio_set_value(rst_pin->pin.gpio, 0);
 
@@ -437,13 +441,16 @@ static int radio_reset_mths(void)
     // wait for 2 sec before toggling on/off pin
     msleep(2000);
 
-    // drive on/off pin low for 6 sec
+    // drive on/off pin low for 10.5 sec
     gpio_set_value(onoff_pin->pin.gpio, 0);
 
-    msleep(6000);
+    log_info("Wait 10.5 seconds for on/off pin");
+    msleep(10500);
 
+    log_info("Done with wait 10.5 seconds for on/off pin");
     // set on/off pin high
     gpio_set_value(onoff_pin->pin.gpio, 1);
+    msleep(200); // Delay for status pin to switch
     return 0;
 }