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Updated bootloaders to use the new main() function layout and remove any references to the scheduler to keep them in line with the rest of the library.

Browse Source
pull/1469/head
Dean Camera 16 years ago
parent 0323e13b39
commit 28343b1475
6 changed files with 87 additions and 57 deletions
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53
Bootloaders/CDC/BootloaderCDC.c
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@ -66,6 +66,26 @@ bool RunBootloader = true;
* the loaded application code.
*/
int main(void)
{
/* Setup hardware required for the bootloader */
SetupHardware();
while (RunBootloader)
{
CDC_Task();
USB_USBTask();
}
/* Reset all configured hardware to their default states for the user app */
ResetHardware();
/* Start the user application */
AppPtr_t AppStartPtr = (AppPtr_t)0x0000;
AppStartPtr();
}
/** Configures all hardware required for the bootloader. */
void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@ -80,18 +100,11 @@ int main(void)
/* Initialize USB Subsystem */
USB_Init();
}
while (RunBootloader)
{
USB_USBTask();
CDC_Task();
}
Endpoint_SelectEndpoint(CDC_TX_EPNUM);
/* Wait until any pending transmissions have completed before shutting down */
while (!(Endpoint_IsINReady()));
/** Resets all configured hardware required for the bootloader back to their original states. */
void ResetHardware(void)
{
/* Shut down the USB subsystem */
USB_ShutDown();
@ -99,21 +112,8 @@ int main(void)
MCUCR = (1 << IVCE);
MCUCR = 0;
/* Reset any used hardware ports back to their defaults */
PORTD = 0;
DDRD = 0;
#if defined(PORTE)
PORTE = 0;
DDRE = 0;
#endif
/* Re-enable RWW section */
boot_rww_enable();
/* Start the user application */
AppPtr_t AppStartPtr = (AppPtr_t)0x0000;
AppStartPtr();
}
/** Event handler for the USB_Disconnect event. This indicates that the bootloader should exit and the user
@ -364,7 +364,7 @@ static void WriteNextResponseByte(const uint8_t Response)
/** Task to read in AVR910 commands from the CDC data OUT endpoint, process them, perform the required actions
* and send the appropriate response back to the host.
*/
TASK(CDC_Task)
void CDC_Task(void)
{
/* Select the OUT endpoint */
Endpoint_SelectEndpoint(CDC_RX_EPNUM);
@ -566,6 +566,9 @@ TASK(CDC_Task)
while (!(Endpoint_IsINReady()));
Endpoint_ClearIN();
}
/* Wait until the data has been sent to the host */
while (!(Endpoint_IsINReady()));
/* Select the OUT endpoint */
Endpoint_SelectEndpoint(CDC_RX_EPNUM);

7
Bootloaders/CDC/BootloaderCDC.h
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@ -118,10 +118,11 @@
Parity_Space = 4, /**< Space data parity checking */
};
/* Tasks: */
TASK(CDC_Task);
/* Function Prototypes: */
void CDC_Task(void);
void SetupHardware(void);
void ResetHardware(void);
void EVENT_USB_Disconnect(void);
void EVENT_USB_ConfigurationChanged(void);
void EVENT_USB_UnhandledControlPacket(void);

37
Bootloaders/DFU/BootloaderDFU.c
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@ -97,6 +97,23 @@ uint16_t EndAddr = 0x0000;
* the loaded application code.
*/
int main (void)
{
/* Configure hardware required by the bootloader */
SetupHardware();
/* Run the USB management task while the bootloader is supposed to be running */
while (RunBootloader || WaitForExit)
USB_USBTask();
/* Reset configured hardware back to their original states for the user application */
ResetHardware();
/* Start the user application */
AppStartPtr();
}
/** Configures all hardware required for the bootloader. */
void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@ -111,29 +128,17 @@ int main (void)
/* Initialize the USB subsystem */
USB_Init();
}
/* Run the USB management task while the bootloader is supposed to be running */
while (RunBootloader || WaitForExit)
USB_USBTask();
/** Resets all configured hardware required for the bootloader back to their original states. */
void ResetHardware(void)
{
/* Shut down the USB subsystem */
USB_ShutDown();
/* Relocate the interrupt vector table back to the application section */
MCUCR = (1 << IVCE);
MCUCR = 0;
/* Reset any used hardware ports back to their defaults */
PORTD = 0;
DDRD = 0;
#if defined(PORTE)
PORTE = 0;
DDRE = 0;
#endif
/* Start the user application */
AppStartPtr();
}
/** Event handler for the USB_Disconnect event. This indicates that the bootloader should exit and the user

3
Bootloaders/DFU/BootloaderDFU.h
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@ -193,6 +193,9 @@
};
/* Function Prototypes: */
void SetupHardware(void);
void ResetHardware(void);
void EVENT_USB_Disconnect(void);
void EVENT_USB_UnhandledControlPacket(void);

40
Bootloaders/TeensyHID/TeensyHID.c
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@ -48,6 +48,27 @@ bool RunBootloader = true;
* runs the bootloader processing routine until instructed to soft-exit.
*/
int main(void)
{
/* Setup hardware required for the bootloader */
SetupHardware();
while (RunBootloader)
USB_USBTask();
/* Reset all configured hardware to their default states for the user app */
ResetHardware();
/* Wait 100ms to give the host time to register the disconnection */
_delay_ms(100);
/* Enable the watchdog and force a timeout to reset the AVR */
wdt_enable(WDTO_250MS);
for (;;);
}
/** Configures all hardware required for the bootloader. */
void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@ -62,20 +83,13 @@ int main(void)
/* Initialize USB subsystem */
USB_Init();
while (RunBootloader)
USB_USBTask();
/* Shut down the USB interface, so that the host will register the disconnection */
USB_ShutDown();
/* Wait 100ms to give the host time to register the disconnection */
_delay_ms(100);
}
/* Enable the watchdog and force a timeout to reset the AVR */
wdt_enable(WDTO_250MS);
for (;;);
/** Resets all configured hardware required for the bootloader back to their original states. */
void ResetHardware(void)
{
/* Shut down the USB subsystem */
USB_ShutDown();
}
/** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready

4
Bootloaders/TeensyHID/TeensyHID.h
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@ -59,9 +59,13 @@
/** HID Class specific request to send the next HID report to the device. */
#define REQ_SetReport 0x09
/** Teensy Bootloader special address to start the user application */
#define TEENSY_STARTAPPLICATION 0xFFFF
/* Function Prototypes: */
void SetupHardware(void);
void ResetHardware(void);
void EVENT_USB_ConfigurationChanged(void);
void EVENT_USB_UnhandledControlPacket(void);

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