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Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Diff: targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c

Revision:
108:4cb9db2ced35
Parent:
64:7b352733b00a
Child:
109:bc5f94f2a67f
--- a/targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c	Thu Feb 27 09:45:07 2014 +0000
+++ b/targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c	Mon Mar 03 11:15:08 2014 +0000
@@ -364,12 +364,10 @@
 }
 
 int serial_writable(serial_t *obj) {
-    int isWritable = 1;
     if (NC != uart_data[obj->index].sw_cts.pin)
-        isWritable = gpio_read(&uart_data[obj->index].sw_cts) == 0;
-    if (isWritable)
-        isWritable = obj->uart->LSR & 0x40;
-    return isWritable;
+        return (gpio_read(&uart_data[obj->index].sw_cts) == 0) && (obj->uart->LSR & 0x40);  //If flow control: writable if CTS low + UART done
+    else
+        return obj->uart->LSR & 0x20;                                                       //No flow control: writable if space in holding register
 }
 
 void serial_clear(serial_t *obj) {