Swimate V2 without RTOS code
Dependencies: Adafruit_GFX_128x64 DS3231 PinDetect SDFileSystem USBDevice mbed RealtimeMath MODSERIAL
main.cpp
- Committer:
- ellingjp
- Date:
- 2014-05-28
- Revision:
- 9:a711b5b34d73
- Parent:
- 8:8430a5c0914c
- Child:
- 13:227a6cfd2097
- Child:
- 15:002bac432234
File content as of revision 9:a711b5b34d73:
#include "main.h" #include "mbed.h" #include "PinDetect.h" #include "USBSerial.h" #include "Adafruit_SSD1306.h" #include "SDFileSystem.h" #include "receive_data.h" #include "log_data.h" #include "process_data.h" #include "debug.h" #include "SystemTime.h" #include "sync.h" // Capture button stuff #define PIN_DETECT_SAMPLE_PERIOD_uS 20000 // 20 ms sample period #define SYNC_HELD_SAMPLES (SYNC_HOLD_TIME_MS * 1000 / PIN_DETECT_SAMPLE_PERIOD_uS) #ifdef USE_OLED // Display SPI spi0(P0_9, NC, P0_10); // mosi, miso, sclk Adafruit_SSD1306 oled(spi0, P0_11, P0_12, P0_13); // DC, RST, CS #endif // Mode button PinDetect captureButton(P0_16, PullUp); // State enum state {IDLE, CAPTURE, SYNC}; enum state State; // This is used to ensure the rising edge after a hold is ignored bool ignore_edge = false; void buttonHeld() { if (State == IDLE) State = SYNC; else State = IDLE; // Button was held down, so don't count the next assert ignore_edge = true; } void buttonPressed() { // Don't ignore subsequent edges if (ignore_edge) { ignore_edge = false; return; } if (State == IDLE) State = CAPTURE; else if (State == CAPTURE) State = IDLE; } DigitalOut led(LED1); int main(void) { SystemTime::start(); State = IDLE; // After button is held, the next rising edge will call buttonPressed. // Because of this, inside the callbacks need to ensure that edge // does not do anything unintended. captureButton.attach_deasserted_held(buttonHeld); captureButton.attach_asserted(buttonPressed); captureButton.setSampleFrequency(); captureButton.setSamplesTillHeld(SYNC_HELD_SAMPLES); VectorInt16 *data; while (true) { if (State == IDLE){ OLED_CLEAR(); OLED_PRINTP("Idling...", 0, 0); PC_PRINTLN("Idling..."); } else if (State == CAPTURE) { OLED_PRINTP("Starting capture...", 0, 0); OLED_PRINTP("Init SD card...", 0, 10); log_init(); OLED_PRINTP("Init peak detect...", 0, 10); process_init(); OLED_PRINTP("Init data receipt...", 0, 10); receive_init(); OLED_CLEAR(); OLED_PRINTP("Capturing data...", 0, 0); while (State == CAPTURE) { data = receive_data(); log_data(data); int split = process_data(data->x); if (split != UINT16_MAX) { PC_PRINTLNF("Split time: %d", split); OLED_PRINTPF("Split: %d", split, 0, 40); log_data(split); } } receive_close(); process_close(); log_close(); } else if (State == SYNC) { OLED_PRINTP("Ready to sync...", 0, 0); // sync_init(); // while (State == SYNC) // sync(); } } }