Eduard Medla
PPM read and generate
Revision 0:f4a29fdb4d6f, committed 2017-06-09
- Comitter:
- edy05
- Date:
- Fri Jun 09 08:39:37 2017 +0000
- Commit message:
- Testing PPM reading
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Fri Jun 09 08:39:37 2017 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PPM.lib Fri Jun 09 08:39:37 2017 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/edy05/code/PPM/#3649456c67ef
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Fri Jun 09 08:39:37 2017 +0000 @@ -0,0 +1,87 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Export the project to Keil MDK, and debug your application + +From the command-line, run the following command: + +``` +mbed export -m K64F -i uvision +``` + +To debug the application: + +1. Start uVision. +1. Import the uVision project generated earlier. +1. Compile your application, and generate an `.axf` file. +1. Make sure uVision is configured to debug over CMSIS-DAP (From the Project menu > Options for Target '...' > Debug tab > Use CMSIS-DAP Debugger). +1. Set breakpoints, and start a debug session. + + + +## Troubleshooting + +1. Make sure `mbed-cli` is working correctly and its version is `>1.0.0` + + ``` + mbed --version + ``` + + If not, you can update it: + + ``` + pip install mbed-cli --upgrade + ``` + +2. If using Keil MDK, make sure you have a license installed. [MDK-Lite](http://www.keil.com/arm/mdk.asp) has a 32 KB restriction on code size. \ No newline at end of file
Binary file img/uvision.png has changed
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jun 09 08:39:37 2017 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+//#include "PPMOut.h"
+#include "PPMIn.h"
+
+
+//PinName pin(D15);
+PinName ppmIn(D14);
+//Serial pc(USBTX, USBRX); // tx, rx
+
+// main() runs in its own thread in the OS
+// (note the calls to wait below for delays)
+int main() {
+ //pc.printf("main started\r\n");
+
+ //chanels[4] = [1400, 1400, 1400, 1400];
+
+ //uint8_t num_channels = 5;
+ //uint16_t *ppmIn_channels;
+
+ //uint16_t channel_value = 600;
+ //int channel = 1;
+
+
+ //PpmOut ppmOut (pin, num_channels);
+ PpmIn ppmIn (ppmIn);
+
+ //timer1.start();
+ while (true) {
+ //pc.printf("while loop started\r\n");
+ //ppmOut.setChannel(1, 1390);
+ //ppmOut.setChannel(0, 580);
+ //ppmOut.setChannel(3, 200);
+
+ // read PPM
+ while(!(ppmIn.state));
+ //pc.printf("ppmIn.state is true\r\n");
+ ppmIn.state = false;
+ ppmIn_channels = ppmIn.getPpm();
+ //pc.printf("ppmIn_channels returned\r\n");
+
+ //for (int i=0; i<10; i++)
+ //{
+ //pc.printf("Channel %d has value %d\r\n", 0, *ppmIn_channels);
+ //}
+
+ //ppmOut.setChannel(1, 1390);
+
+
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Jun 09 08:39:37 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#5faf4b26c5954d15c7c1cccac6498e0c690ad101