Nathan Stathis
/
Nucleo_WiFi_turntable
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main.cpp@0:01fd80c0a524, 2014-08-26 (annotated)
- Committer:
- Stathisn
- Date:
- Tue Aug 26 05:04:24 2014 +0000
- Revision:
- 0:01fd80c0a524
- Child:
- 1:7b420a2ea7db
Initial commit, added place holders for some functions pertaining to the initialisation and calibration of the turntable
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Stathisn | 0:01fd80c0a524 | 1 | #include "mbed.h" |
| Stathisn | 0:01fd80c0a524 | 2 | |
| Stathisn | 0:01fd80c0a524 | 3 | enum calib_state_t { |
| Stathisn | 0:01fd80c0a524 | 4 | UNCALIBRATED, |
| Stathisn | 0:01fd80c0a524 | 5 | CALIBRATED, |
| Stathisn | 0:01fd80c0a524 | 6 | CALIBRATING, |
| Stathisn | 0:01fd80c0a524 | 7 | INITIALISING,}; |
| Stathisn | 0:01fd80c0a524 | 8 | |
| Stathisn | 0:01fd80c0a524 | 9 | DigitalOut my_led(LED1); // Sanity LED |
| Stathisn | 0:01fd80c0a524 | 10 | DigitalOut ttDrive(PA_14); // the drive signal for the turntable |
| Stathisn | 0:01fd80c0a524 | 11 | InterruptIn encoder(PA_13); // Signal from encoder |
| Stathisn | 0:01fd80c0a524 | 12 | InterruptIn limitSwitch(PA_15); // Signal from limit switch |
| Stathisn | 0:01fd80c0a524 | 13 | |
| Stathisn | 0:01fd80c0a524 | 14 | calib_state_t calib_state = 0; // Flag for calibration state |
| Stathisn | 0:01fd80c0a524 | 15 | int encoderMax = 0; // Calibrated maximum value for the encoder |
| Stathisn | 0:01fd80c0a524 | 16 | |
| Stathisn | 0:01fd80c0a524 | 17 | void calibrate(void); // synchronises and calibrates MCU to turntable |
| Stathisn | 0:01fd80c0a524 | 18 | void increment(int *i); // increments value i, used as an interrupt target |
| Stathisn | 0:01fd80c0a524 | 19 | |
| Stathisn | 0:01fd80c0a524 | 20 | |
| Stathisn | 0:01fd80c0a524 | 21 | int main() { |
| Stathisn | 0:01fd80c0a524 | 22 | |
| Stathisn | 0:01fd80c0a524 | 23 | |
| Stathisn | 0:01fd80c0a524 | 24 | // Step 1: Attach interrupt signals to appropriate functions |
| Stathisn | 0:01fd80c0a524 | 25 | // Step 2: Calibrate MCU to the turn table |
| Stathisn | 0:01fd80c0a524 | 26 | // Step 3: Control turntable using hard coded commands |
| Stathisn | 0:01fd80c0a524 | 27 | // Step 4: Include WiConnect Library |
| Stathisn | 0:01fd80c0a524 | 28 | // Step 5: Interpret commands sent over TCP |
| Stathisn | 0:01fd80c0a524 | 29 | |
| Stathisn | 0:01fd80c0a524 | 30 | |
| Stathisn | 0:01fd80c0a524 | 31 | // Configure sanity LED to blink |
| Stathisn | 0:01fd80c0a524 | 32 | while(1) { |
| Stathisn | 0:01fd80c0a524 | 33 | my_led = !my_led; |
| Stathisn | 0:01fd80c0a524 | 34 | wait(0.5); |
| Stathisn | 0:01fd80c0a524 | 35 | } |
| Stathisn | 0:01fd80c0a524 | 36 | } |
| Stathisn | 0:01fd80c0a524 | 37 | |
| Stathisn | 0:01fd80c0a524 | 38 | void calibrate(void) |
| Stathisn | 0:01fd80c0a524 | 39 | { |
| Stathisn | 0:01fd80c0a524 | 40 | // Step 1: Get the motor turning |
| Stathisn | 0:01fd80c0a524 | 41 | // Step 2: Continue turning until calibration state is "CALIBRATED" |
| Stathisn | 0:01fd80c0a524 | 42 | // the actual calibration will be handled by interrupts |
| Stathisn | 0:01fd80c0a524 | 43 | } |
| Stathisn | 0:01fd80c0a524 | 44 | |
| Stathisn | 0:01fd80c0a524 | 45 | void increment(int *i) |
| Stathisn | 0:01fd80c0a524 | 46 | { |
| Stathisn | 0:01fd80c0a524 | 47 | // Step 1: De-refference pointer and increment the value |
| Stathisn | 0:01fd80c0a524 | 48 | } |