MCU8MASS-1828 Fix bug where appending to the transmit buffer would exit before the timeout

Author: M65649

examples/provision/provision.ino

@@ -327,7 +327,7 @@ static bool readUntilNewLine(char* output_buffer,
 
         uint8_t input = SerialModule.read();
 
-        if (input == ASCII_SPACE) {
+        if (input == ASCII_SPACE && index == 0) {
             continue;
         }
 
@@ -561,8 +561,9 @@ static bool requestAndSaveToNonVolatileMemory(const char* message,
 
     SequansController.writeBytes((uint8_t*)command, strlen(command), true);
 
-    SequansController.waitForByte('>', 1000);
-    SequansController.writeBytes((uint8_t*)data, data_length, true);
+    if (SequansController.waitForByte('>', 1000)) {
+        SequansController.writeBytes((uint8_t*)data, data_length, true);
+    }
 
     if (SequansController.readResponse() != ResponseResult::OK) {
         SerialModule.println(
@@ -1394,6 +1395,7 @@ void provisionHttp() {
     // --------------------------------------------------------------------
 
     SerialModule.println();
+
     SerialModule.print("--- Provisioning...");
 
     char command[strlen(AT_HTTPS_SECURITY_PROFILE) + 64] = "";

src/sequans_controller.cpp

@@ -587,13 +587,13 @@ bool SequansControllerClass::appendDataToTransmitBuffer(const uint8_t data) {
                 _delay_ms(1);
             }
 
-            if (!(VPORTC.IN & CTS_PIN_bm)) {
+            if (!(VPORTC.IN & CTS_PIN_bm) && !timeout_timer.hasTimedOut()) {
                 // Enable data register empty interrupt so that the data gets
                 // pushed out. We do this in the loop as the CTS interrupt might
                 // disable the interrupt logic, so we wait until that is not the
                 // case and then start the transmit logic
                 HWSERIALAT.CTRLA |= USART_DREIE_bm;
-            } else {
+            } else if (timeout_timer.hasTimedOut()) {
                 // If we time out and the modem still can't accept the data, we
                 // just return
                 return false;