Replace blind interface descriptor search in the incomplete AndroidAccessoryHost...

[pub/USBasp.git] / Bootloaders / DFU / BootloaderDFU.c

diff --git a/Bootloaders/DFU/BootloaderDFU.c b/Bootloaders/DFU/BootloaderDFU.c
index 2f5abba..1dae162 100644 (file)
--- a/Bootloaders/DFU/BootloaderDFU.c
+++ b/Bootloaders/DFU/BootloaderDFU.c
@@ -38,59 +38,59 @@
 
 /** Flag to indicate if the bootloader is currently running in secure mode, disallowing memory operations
  *  other than erase. This is initially set to the value set by SECURE_MODE, and cleared by the bootloader
 
 /** Flag to indicate if the bootloader is currently running in secure mode, disallowing memory operations
  *  other than erase. This is initially set to the value set by SECURE_MODE, and cleared by the bootloader

- *  once a memory erase has completed.
+ *  once a memory erase has completed in a bootloader session.

  */
  */

-bool IsSecure      = SECURE_MODE;
+static bool IsSecure = SECURE_MODE;

 
 /** Flag to indicate if the bootloader should be running, or should exit and allow the application code to run
  *  via a soft reset. When cleared, the bootloader will abort, the USB interface will shut down and the application
  *  jumped to via an indirect jump to location 0x0000 (or other location specified by the host).
  */
 
 /** Flag to indicate if the bootloader should be running, or should exit and allow the application code to run
  *  via a soft reset. When cleared, the bootloader will abort, the USB interface will shut down and the application
  *  jumped to via an indirect jump to location 0x0000 (or other location specified by the host).
  */

-bool RunBootloader = true;
+static bool RunBootloader = true;

 
 /** Flag to indicate if the bootloader is waiting to exit. When the host requests the bootloader to exit and
  *  jump to the application address it specifies, it sends two sequential commands which must be properly
  *  acknowledged. Upon reception of the first the RunBootloader flag is cleared and the WaitForExit flag is set,
  *  causing the bootloader to wait for the final exit command before shutting down.
  */
 
 /** Flag to indicate if the bootloader is waiting to exit. When the host requests the bootloader to exit and
  *  jump to the application address it specifies, it sends two sequential commands which must be properly
  *  acknowledged. Upon reception of the first the RunBootloader flag is cleared and the WaitForExit flag is set,
  *  causing the bootloader to wait for the final exit command before shutting down.
  */

-bool WaitForExit = false;
+static bool WaitForExit = false;

 
 /** Current DFU state machine state, one of the values in the DFU_State_t enum. */
 
 /** Current DFU state machine state, one of the values in the DFU_State_t enum. */

-uint8_t DFU_State = dfuIDLE;
+static uint8_t DFU_State = dfuIDLE;

 
 /** Status code of the last executed DFU command. This is set to one of the values in the DFU_Status_t enum after
  *  each operation, and returned to the host when a Get Status DFU request is issued.
  */
 
 /** Status code of the last executed DFU command. This is set to one of the values in the DFU_Status_t enum after
  *  each operation, and returned to the host when a Get Status DFU request is issued.
  */

-uint8_t DFU_Status = OK;
+static uint8_t DFU_Status = OK;

 
 /** Data containing the DFU command sent from the host. */
 
 /** Data containing the DFU command sent from the host. */

-DFU_Command_t SentCommand;
+static DFU_Command_t SentCommand;

 
 /** Response to the last issued Read Data DFU command. Unlike other DFU commands, the read command
  *  requires a single byte response from the bootloader containing the read data when the next DFU_UPLOAD command
  *  is issued by the host.
  */
 
 /** Response to the last issued Read Data DFU command. Unlike other DFU commands, the read command
  *  requires a single byte response from the bootloader containing the read data when the next DFU_UPLOAD command
  *  is issued by the host.
  */

-uint8_t ResponseByte;
+static uint8_t ResponseByte;

 
 /** Pointer to the start of the user application. By default this is 0x0000 (the reset vector), however the host
  *  may specify an alternate address when issuing the application soft-start command.
  */
 
 /** Pointer to the start of the user application. By default this is 0x0000 (the reset vector), however the host
  *  may specify an alternate address when issuing the application soft-start command.
  */

-AppPtr_t AppStartPtr = (AppPtr_t)0x0000;
+static AppPtr_t AppStartPtr = (AppPtr_t)0x0000;

 
 /** 64-bit flash page number. This is concatenated with the current 16-bit address on USB AVRs containing more than
  *  64KB of flash memory.
  */
 
 /** 64-bit flash page number. This is concatenated with the current 16-bit address on USB AVRs containing more than
  *  64KB of flash memory.
  */

-uint8_t Flash64KBPage = 0;
+static uint8_t Flash64KBPage = 0;

 
 /** Memory start address, indicating the current address in the memory being addressed (either FLASH or EEPROM
  *  depending on the issued command from the host).
  */
 
 /** Memory start address, indicating the current address in the memory being addressed (either FLASH or EEPROM
  *  depending on the issued command from the host).
  */

-uint16_t StartAddr = 0x0000;
+static uint16_t StartAddr = 0x0000;

 
 

-/** Memory end address, indicating the end address to read to/write from in the memory being addressed (either FLASH
+/** Memory end address, indicating the end address to read from/write to in the memory being addressed (either FLASH

  *  of EEPROM depending on the issued command from the host).
  */
  *  of EEPROM depending on the issued command from the host).
  */

-uint16_t EndAddr = 0x0000;
+static uint16_t EndAddr = 0x0000;

 
 
 /** Main program entry point. This routine configures the hardware required by the bootloader, then continuously
 
 
 /** Main program entry point. This routine configures the hardware required by the bootloader, then continuously


@@ -109,7 +109,7 @@ int main(void)
 
        /* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */
        PORTF |= (1 << 4);
 
        /* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */
        PORTF |= (1 << 4);

-       _delay_ms(10);
+       Delay_MS(10);

 
        /* If the TCK pin is not jumpered to ground, start the user application instead */
        RunBootloader = (!(PINF & (1 << 4)));
 
        /* If the TCK pin is not jumpered to ground, start the user application instead */
        RunBootloader = (!(PINF & (1 << 4)));


@@ -119,6 +119,9 @@ int main(void)
        MCUCR &= ~(1 << JTD);   
        #endif
 
        MCUCR &= ~(1 << JTD);   
        #endif
 

+       /* Turn on first LED on the board to indicate that the bootloader has started */
+       LEDs_SetAllLEDs(LEDS_LED1);
+

        /* Enable global interrupts so that the USB stack can function */
        sei();
 
        /* Enable global interrupts so that the USB stack can function */
        sei();
 


@@ -149,6 +152,11 @@ void SetupHardware(void)
 
        /* Initialize the USB subsystem */
        USB_Init();
 
        /* Initialize the USB subsystem */
        USB_Init();

+       LEDs_Init();
+       
+       /* Bootloader active LED toggle timer initialization */
+       TIMSK1 = (1 << TOIE1);
+       TCCR1B = ((1 << CS11) | (1 << CS10));

 }
 
 /** Resets all configured hardware required for the bootloader back to their original states. */
 }
 
 /** Resets all configured hardware required for the bootloader back to their original states. */


@@ -162,15 +170,18 @@ void ResetHardware(void)
        MCUCR = 0;
 }
 
        MCUCR = 0;
 }
 

+/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */
+ISR(TIMER1_OVF_vect, ISR_BLOCK)
+{
+       LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
+}
+

 /** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
  *  the device from the USB host before passing along unhandled control requests to the library for processing
  *  internally.
  */
 void EVENT_USB_Device_ControlRequest(void)
 /** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
  *  the device from the USB host before passing along unhandled control requests to the library for processing
  *  internally.
  */
 void EVENT_USB_Device_ControlRequest(void)

-{
-       /* Get the size of the command and data from the wLength value */
-       SentCommand.DataSize = USB_ControlRequest.wLength;
-       
+{      

        /* Ignore any requests that aren't directed to the DFU interface */
        if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
            (REQTYPE_CLASS | REQREC_INTERFACE))
        /* Ignore any requests that aren't directed to the DFU interface */
        if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
            (REQTYPE_CLASS | REQREC_INTERFACE))


@@ -178,9 +189,15 @@ void EVENT_USB_Device_ControlRequest(void)
                return;
        }
 
                return;
        }
 

+       /* Activity - toggle indicator LEDs */
+       LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
+
+       /* Get the size of the command and data from the wLength value */
+       SentCommand.DataSize = USB_ControlRequest.wLength;
+

        switch (USB_ControlRequest.bRequest)
        {
        switch (USB_ControlRequest.bRequest)
        {

-               case REQ_DFU_DNLOAD:
+               case DFU_REQ_DNLOAD:

                        Endpoint_ClearSETUP();
 
                        /* Check if bootloader is waiting to terminate */
                        Endpoint_ClearSETUP();
 
                        /* Check if bootloader is waiting to terminate */


@@ -203,7 +220,7 @@ void EVENT_USB_Device_ControlRequest(void)
                                }
 
                                /* First byte of the data stage is the DNLOAD request's command */
                                }
 
                                /* First byte of the data stage is the DNLOAD request's command */

-                               SentCommand.Command = Endpoint_Read_Byte();
+                               SentCommand.Command = Endpoint_Read_8();

 
                                /* One byte of the data stage is the command, so subtract it from the total data bytes */
                                SentCommand.DataSize--;
 
                                /* One byte of the data stage is the command, so subtract it from the total data bytes */
                                SentCommand.DataSize--;


@@ -212,7 +229,7 @@ void EVENT_USB_Device_ControlRequest(void)
                                for (uint8_t DataByte = 0; (DataByte < sizeof(SentCommand.Data)) &&
                                     Endpoint_BytesInEndpoint(); DataByte++)
                                {
                                for (uint8_t DataByte = 0; (DataByte < sizeof(SentCommand.Data)) &&
                                     Endpoint_BytesInEndpoint(); DataByte++)
                                {

-                                       SentCommand.Data[DataByte] = Endpoint_Read_Byte();
+                                       SentCommand.Data[DataByte] = Endpoint_Read_8();

                                        SentCommand.DataSize--;
                                }
 
                                        SentCommand.DataSize--;
                                }
 


@@ -267,7 +284,7 @@ void EVENT_USB_Device_ControlRequest(void)
                                                        }
 
                                                        /* Write the next word into the current flash page */
                                                        }
 
                                                        /* Write the next word into the current flash page */

-                                                       boot_page_fill(CurrFlashAddress.Long, Endpoint_Read_Word_LE());
+                                                       boot_page_fill(CurrFlashAddress.Long, Endpoint_Read_16_LE());

 
                                                        /* Adjust counters */
                                                        WordsInFlashPage      += 1;
 
                                                        /* Adjust counters */
                                                        WordsInFlashPage      += 1;


@@ -316,7 +333,7 @@ void EVENT_USB_Device_ControlRequest(void)
                                                        }
 
                                                        /* Read the byte from the USB interface and write to to the EEPROM */
                                                        }
 
                                                        /* Read the byte from the USB interface and write to to the EEPROM */

-                                                       eeprom_write_byte((uint8_t*)StartAddr, Endpoint_Read_Byte());
+                                                       eeprom_write_byte((uint8_t*)StartAddr, Endpoint_Read_8());

 
                                                        /* Adjust counters */
                                                        StartAddr++;
 
                                                        /* Adjust counters */
                                                        StartAddr++;


@@ -333,7 +350,7 @@ void EVENT_USB_Device_ControlRequest(void)
                        Endpoint_ClearStatusStage();
 
                        break;
                        Endpoint_ClearStatusStage();
 
                        break;

-               case REQ_DFU_UPLOAD:
+               case DFU_REQ_UPLOAD:

                        Endpoint_ClearSETUP();
 
                        while (!(Endpoint_IsINReady()))
                        Endpoint_ClearSETUP();
 
                        while (!(Endpoint_IsINReady()))


@@ -348,12 +365,12 @@ void EVENT_USB_Device_ControlRequest(void)
                                {
                                        /* Blank checking is performed in the DFU_DNLOAD request - if we get here we've told the host
                                           that the memory isn't blank, and the host is requesting the first non-blank address */
                                {
                                        /* Blank checking is performed in the DFU_DNLOAD request - if we get here we've told the host
                                           that the memory isn't blank, and the host is requesting the first non-blank address */

-                                       Endpoint_Write_Word_LE(StartAddr);
+                                       Endpoint_Write_16_LE(StartAddr);

                                }
                                else
                                {
                                        /* Idle state upload - send response to last issued command */
                                }
                                else
                                {
                                        /* Idle state upload - send response to last issued command */

-                                       Endpoint_Write_Byte(ResponseByte);
+                                       Endpoint_Write_8(ResponseByte);

                                }
                        }
                        else
                                }
                        }
                        else


@@ -388,9 +405,9 @@ void EVENT_USB_Device_ControlRequest(void)
 
                                                /* Read the flash word and send it via USB to the host */
                                                #if (FLASHEND > 0xFFFF)
 
                                                /* Read the flash word and send it via USB to the host */
                                                #if (FLASHEND > 0xFFFF)

-                                                       Endpoint_Write_Word_LE(pgm_read_word_far(CurrFlashAddress.Long));
+                                                       Endpoint_Write_16_LE(pgm_read_word_far(CurrFlashAddress.Long));

                                                #else
                                                #else

-                                                       Endpoint_Write_Word_LE(pgm_read_word(CurrFlashAddress.Long));
+                                                       Endpoint_Write_16_LE(pgm_read_word(CurrFlashAddress.Long));

                                                #endif
 
                                                /* Adjust counters */
                                                #endif
 
                                                /* Adjust counters */


@@ -417,7 +434,7 @@ void EVENT_USB_Device_ControlRequest(void)
                                                }
 
                                                /* Read the EEPROM byte and send it via USB to the host */
                                                }
 
                                                /* Read the EEPROM byte and send it via USB to the host */

-                                               Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)StartAddr));
+                                               Endpoint_Write_8(eeprom_read_byte((uint8_t*)StartAddr));

 
                                                /* Adjust counters */
                                                StartAddr++;
 
                                                /* Adjust counters */
                                                StartAddr++;


@@ -432,27 +449,27 @@ void EVENT_USB_Device_ControlRequest(void)
 
                        Endpoint_ClearStatusStage();
                        break;
 
                        Endpoint_ClearStatusStage();
                        break;

-               case REQ_DFU_GETSTATUS:
+               case DFU_REQ_GETSTATUS:

                        Endpoint_ClearSETUP();
 
                        /* Write 8-bit status value */
                        Endpoint_ClearSETUP();
 
                        /* Write 8-bit status value */

-                       Endpoint_Write_Byte(DFU_Status);
+                       Endpoint_Write_8(DFU_Status);

 
                        /* Write 24-bit poll timeout value */
 
                        /* Write 24-bit poll timeout value */

-                       Endpoint_Write_Byte(0);
-                       Endpoint_Write_Word_LE(0);
+                       Endpoint_Write_8(0);
+                       Endpoint_Write_16_LE(0);

 
                        /* Write 8-bit state value */
 
                        /* Write 8-bit state value */

-                       Endpoint_Write_Byte(DFU_State);
+                       Endpoint_Write_8(DFU_State);

 
                        /* Write 8-bit state string ID number */
 
                        /* Write 8-bit state string ID number */

-                       Endpoint_Write_Byte(0);
+                       Endpoint_Write_8(0);

 
                        Endpoint_ClearIN();
 
                        Endpoint_ClearStatusStage();
                        break;
 
                        Endpoint_ClearIN();
 
                        Endpoint_ClearStatusStage();
                        break;

-               case REQ_DFU_CLRSTATUS:
+               case DFU_REQ_CLRSTATUS:

                        Endpoint_ClearSETUP();
 
                        /* Reset the status value variable to the default OK status */
                        Endpoint_ClearSETUP();
 
                        /* Reset the status value variable to the default OK status */


@@ -460,17 +477,17 @@ void EVENT_USB_Device_ControlRequest(void)
 
                        Endpoint_ClearStatusStage();
                        break;
 
                        Endpoint_ClearStatusStage();
                        break;

-               case REQ_DFU_GETSTATE:
+               case DFU_REQ_GETSTATE:

                        Endpoint_ClearSETUP();
 
                        /* Write the current device state to the endpoint */
                        Endpoint_ClearSETUP();
 
                        /* Write the current device state to the endpoint */

-                       Endpoint_Write_Byte(DFU_State);
+                       Endpoint_Write_8(DFU_State);

 
                        Endpoint_ClearIN();
 
                        Endpoint_ClearStatusStage();
                        break;
 
                        Endpoint_ClearIN();
 
                        Endpoint_ClearStatusStage();
                        break;

-               case REQ_DFU_ABORT:
+               case DFU_REQ_ABORT:

                        Endpoint_ClearSETUP();
 
                        /* Reset the current state variable to the default idle state */
                        Endpoint_ClearSETUP();
 
                        /* Reset the current state variable to the default idle state */


@@ -503,7 +520,7 @@ static void DiscardFillerBytes(uint8_t NumberOfBytes)
                }
                else
                {
                }
                else
                {

-                       Endpoint_Discard_Byte();
+                       Endpoint_Discard_8();

                }
        }
 }
                }
        }
 }