Converted device mode low-level demos to schedulerless.

[pub/USBasp.git] / Demos / Device / LowLevel / MIDI / MIDI.c

diff --git a/Demos/Device/LowLevel/MIDI/MIDI.c b/Demos/Device/LowLevel/MIDI/MIDI.c
index b6b43df..6dd38af 100644 (file)
--- a/Demos/Device/LowLevel/MIDI/MIDI.c
+++ b/Demos/Device/LowLevel/MIDI/MIDI.c
@@ -36,18 +36,25 @@
 \r
 #include "MIDI.h"\r
 \r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
-       { .Task = USB_USBTask          , .TaskStatus = TASK_STOP },\r
-       { .Task = USB_MIDI_Task        , .TaskStatus = TASK_STOP },\r
-};\r
-\r
 /** Main program entry point. This routine configures the hardware required by the application, then\r
  *  starts the scheduler to run the application tasks.\r
  */\r
 int main(void)\r
 {\r
+       SetupHardware();\r
+       \r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+       for (;;)\r
+       {\r
+               MIDI_Task();\r
+               USB_USBTask();\r
+       }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
        /* Disable watchdog if enabled by bootloader/fuses */\r
        MCUSR &= ~(1 << WDRF);\r
        wdt_disable();\r
@@ -59,28 +66,14 @@ int main(void)
        Joystick_Init();\r
        LEDs_Init();\r
        Buttons_Init();\r
-\r
-       /* Indicate USB not ready */\r
-       UpdateStatus(Status_USBNotReady);\r
-       \r
-       /* Initialize Scheduler so that it can be used */\r
-       Scheduler_Init();\r
-\r
-       /* Initialize USB Subsystem */\r
        USB_Init();\r
-\r
-       /* Scheduling - routine never returns, so put this last in the main function */\r
-       Scheduler_Start();\r
 }\r
 \r
 /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */\r
 void EVENT_USB_Connect(void)\r
 {\r
-       /* Start USB management task */\r
-       Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
-\r
        /* Indicate USB enumerating */\r
-       UpdateStatus(Status_USBEnumerating);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
 }\r
 \r
 /** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
@@ -88,12 +81,8 @@ void EVENT_USB_Connect(void)
  */\r
 void EVENT_USB_Disconnect(void)\r
 {\r
-       /* Stop running audio and USB management tasks */\r
-       Scheduler_SetTaskMode(USB_MIDI_Task, TASK_STOP);\r
-       Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
-\r
        /* Indicate USB not ready */\r
-       UpdateStatus(Status_USBNotReady);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \r
 /** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
@@ -111,16 +100,13 @@ void EVENT_USB_ConfigurationChanged(void)
                                   ENDPOINT_BANK_SINGLE);\r
 \r
        /* Indicate USB connected and ready */\r
-       UpdateStatus(Status_USBReady);\r
-\r
-       /* Start MIDI task */\r
-       Scheduler_SetTaskMode(USB_MIDI_Task, TASK_RUN);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
 }\r
 \r
 /** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them\r
  *  to the host.\r
  */\r
-TASK(USB_MIDI_Task)\r
+void MIDI_Task(void)\r
 {\r
        static uint8_t PrevJoystickStatus;\r
 \r
@@ -164,33 +150,6 @@ TASK(USB_MIDI_Task)
          Endpoint_ClearOUT();\r
 }\r
 \r
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to\r
- *  log to a serial port, or anything else that is suitable for status updates.\r
- *\r
- *  \param CurrentStatus  Current status of the system, from the MIDI_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\r
-{\r
-       uint8_t LEDMask = LEDS_NO_LEDS;\r
-       \r
-       /* Set the LED mask to the appropriate LED mask based on the given status code */\r
-       switch (CurrentStatus)\r
-       {\r
-               case Status_USBNotReady:\r
-                       LEDMask = (LEDS_LED1);\r
-                       break;\r
-               case Status_USBEnumerating:\r
-                       LEDMask = (LEDS_LED1 | LEDS_LED2);\r
-                       break;\r
-               case Status_USBReady:\r
-                       LEDMask = (LEDS_LED2 | LEDS_LED4);\r
-                       break;\r
-       }\r
-       \r
-       /* Set the board LEDs to the new LED mask */\r
-       LEDs_SetAllLEDs(LEDMask);\r
-}\r
-\r
 /** Sends a MIDI note change event (note on or off) to the MIDI output jack, on the given virtual cable ID and channel.\r
  *\r
  *  \param Pitch    Pitch of the note to turn on or off\r