Nucleo stm32L152, serial4 and serial 5

[antonioB]

Posted on December 02, 2015 at 13:51

Hi to all, I use mbed plattform.  i have this strange situation i write this code, i

&sharpinclude ''mbed.h''  //Serial pc(PC_10,PC_11); //Serial 4  TX,  RX   ko   Serial pc(PB_10,PB_11); //Serial 3  TX,  RX  //ok  //Serial pc(PC_12,PD_2); //Serial 5  TX,  RX  //ko     DigitalOut myled(LED1);   int main() {   int i = 1;   pc.printf(''Hello World !\n'');   while(1) {       wait(1);      pc.printf(''This program runs since %d seconds.\n'', i++);       myled = !myled;   } } if i use Serial 3 all work well, if i use serial 4 or serial 5 don't work, can you give me where is the error ? can you help me? best regards A. #nucleo_l152 #mbed

[Tesla DeLorean]

Posted on December 03, 2015 at 03:41

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The problem sounded familiar, as I recall Andrew pinned it down to the board support/descriptors.