Wim Huiskamp
/
mbed_nucleo_swo
Test for SWO viewer library.
See here for more information.
main.cpp
- Committer:
- wim
- Date:
- 2017-08-24
- Revision:
- 3:3d2422feccb5
- Parent:
- 2:9c50385f83c5
File content as of revision 3:3d2422feccb5:
/* mbed Test program for debug and monitoring of ST nucleo boards with SWO. * Copyright (c) 2015, v01: WH, Initial version * 2016, v02: WH, Stream support, Added F446 * 2017, v03: WH,PS. Added Stream claim for stdout, proposed by Pavel Sorejs * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "mbed.h" #include "flip.h" #include "SWO.h" //Single Wire Output(SWO) Test //Hook up to Host PC software ST-LINK Utility or Segger J-Link SWO viewer // #define D_SWO 1 //Enable SWO output //Stream implementation DigitalOut myled(LED1); //PA_1 //Note: // SWO is on pin PB_3 // SWDIO is on pin PA_13 // SWCLK is on pin PA_14 // //I2C i2c(PB_9, PB_8); //I2C, OK //DigitalIn in(PB_3); //SWO, using pin breaks SWO viewer //DigitalIn in(PA_10); //RX UART1, OK //DigitalIn in(PA_13); //SWDIO, using pin breaks SWO viewer //DigitalIn in(PA_14); //SWCLK, using pin breaks SWO viewer Serial pc(SERIAL_TX, SERIAL_RX); SWO_Channel swo("channel"); int i; int main() { #if defined(TARGET_NUCLEO_F103RB) pc.printf("Hello World from ST32F103RB\n\r"); #endif #if defined(TARGET_NUCLEO_F401RE) pc.printf("Hello World from ST32F401RE\n\r"); #endif #if defined(TARGET_NUCLEO_F446RE) pc.printf("Hello World from ST32F446RE\n\r"); #endif // pc.printf("\r\nMy Program - build " MBED_BUILD_TIMESTAMP "\r\n"); pc.printf("\r\nMy Program - (partial) build " __DATE__ " " __TIME__ "\r\n"); pc.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock); #if (D_SWO == 1) swo.printf("\r\nHello World from SWO\r\n"); swo.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock); printf("Message on stdout\r\n"); if (swo.claim() == true) { pc.printf("SWO has claimed stdout\r\n"); printf("Message on stdout redirected to SWO\r\n"); } else { pc.printf("SWO failed to claim stdout\r\n"); } #endif while(1) { myled = 1; // LED is ON wait(0.2); // 200 ms myled = 0; // LED is OFF wait(1.0); // 1 sec pc.putc('*'); #if (D_SWO == 1) swo.putc('#'); flip(i); i = (i+1) & 0xFF; #endif } }