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+ /* Name: bootloaderconfig.h
+ * Micronucleus configuration file.
+ * This file (together with some settings in Makefile.inc) configures the boot loader
+ * according to the hardware.
+ *
+ * Controller type: ATtiny 167 - 16 MHz with crystal
+ * Configuration: Standard configuration
+ * USB D- : PB3
+ * USB D+ : PB4
+ * Entry : Always
+ * LED : None
+ * OSCCAL : No change due to external crystal
+ * Note: Uses 16 MHz V-USB implementation.
+ * Last Change: Mar 16,2014
+ *
+ * License: GNU GPL v2 (see License.txt
+ */
+
+#ifndef __bootloaderconfig_h_included__
+#define __bootloaderconfig_h_included__
+
+/* ------------------------------------------------------------------------- */
+/* Hardware configuration. */
+/* Change this according to your CPU and USB configuration */
+/* ------------------------------------------------------------------------- */
+
+#define USB_CFG_IOPORTNAME B
+ /* This is the port where the USB bus is connected. When you configure it to
+ * "B", the registers PORTB, PINB and DDRB will be used.
+ */
+
+#define USB_CFG_DMINUS_BIT 3
+/* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected.
+ * This may be any bit in the port.
+ */
+#define USB_CFG_DPLUS_BIT 4
+/* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected.
+ * This may be any bit in the port, but must be configured as a pin change interrupt.
+ */
+
+#define USB_CFG_CLOCK_KHZ (F_CPU/1000)
+/* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000,
+ * 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code
+ * require no crystal, they tolerate +/- 1% deviation from the nominal
+ * frequency. All other rates require a precision of 2000 ppm and thus a
+ * crystal!
+ * Since F_CPU should be defined to your actual clock rate anyway, you should
+ * not need to modify this setting.
+ */
+
+/* ------------- Set up interrupt configuration (CPU specific) -------------- */
+/* The register names change quite a bit in the ATtiny family. Pay attention */
+/* to the manual. Note that the interrupt flag system is still used even though */
+/* interrupts are disabled. So this has to be configured correctly. */
+
+
+// setup interrupt for Pin Change for D+
+
+// This is configured for PORTB.
+
+#define USB_INTR_CFG PCMSK1
+#define USB_INTR_CFG_SET (1 << USB_CFG_DPLUS_BIT)
+#define USB_INTR_CFG_CLR 0
+#define USB_INTR_ENABLE PCICR
+#define USB_INTR_ENABLE_BIT PCIE1
+#define USB_INTR_PENDING PCIFR
+#define USB_INTR_PENDING_BIT PCIF1
+#define USB_INTR_VECTOR PCINT1_vect
+
+/* Configuration for PORTA */
+/*
+#define USB_INTR_CFG PCMSK0
+#define USB_INTR_CFG_SET (1 << USB_CFG_DPLUS_BIT)
+#define USB_INTR_CFG_CLR 0
+#define USB_INTR_ENABLE PCICR
+#define USB_INTR_ENABLE_BIT PCIE0
+#define USB_INTR_PENDING PCIFR
+#define USB_INTR_PENDING_BIT PCIF0
+#define USB_INTR_VECTOR PCINT0_vect
+*/
+
+/* ------------------------------------------------------------------------- */
+/* Configuration relevant to the CPU the bootloader is running on */
+/* ------------------------------------------------------------------------- */
+
+// how many milliseconds should host wait till it sends another erase or write?
+// needs to be above 4.5 (and a whole integer) as avr freezes for 4.5ms
+#define MICRONUCLEUS_WRITE_SLEEP 5
+
+
+/* ---------------------- feature / code size options ---------------------- */
+/* Configure the behavior of the bootloader here */
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Define Bootloader entry condition
+ *
+ * If the entry condition is not met, the bootloader will not be activated and the user program
+ * is executed directly after a reset. If no user program has been loaded, the bootloader
+ * is always active.
+ *
+ * ENTRY_ALWAYS Always activate the bootloader after reset. Requires the least
+ * amount of code.
+ *
+ * ENTRY_WATCHDOG Activate the bootloader after a watchdog reset. This can be used
+ * to enter the bootloader from the user program.
+ * Adds 22 bytes.
+ *
+ * ENTRY_EXT_RESET Activate the bootloader after an external reset was issued by
+ * pulling the reset pin low. It may be necessary to add an external
+ * pull-up resistor to the reset pin if this entry method appears to
+ * behave unreliably.
+ * Adds 22 bytes.
+ *
+ * ENTRY_JUMPER Activate the bootloader when a specific pin is pulled low by an
+ * external jumper.
+ * Adds 34 bytes.
+ *
+ * JUMPER_PIN Pin the jumper is connected to. (e.g. PB0)
+ * JUMPER_PORT Port out register for the jumper (e.g. PORTB)
+ * JUMPER_DDR Port data direction register for the jumper (e.g. DDRB)
+ * JUMPER_INP Port inout register for the jumper (e.g. PINB)
+ *
+ */
+
+#define ENTRYMODE ENTRY_ALWAYS
+
+#define JUMPER_PIN PB0
+#define JUMPER_PORT PORTB
+#define JUMPER_DDR DDRB
+#define JUMPER_INP PINB
+
+/*
+ Internal implementation, don't change this unless you want to add an entrymode.
+*/
+
+#define ENTRY_ALWAYS 1
+#define ENTRY_WATCHDOG 2
+#define ENTRY_EXT_RESET 3
+#define ENTRY_JUMPER 4
+
+#if ENTRYMODE==ENTRY_ALWAYS
+ #define bootLoaderInit()
+ #define bootLoaderExit()
+ #define bootLoaderStartCondition() 1
+#elif ENTRYMODE==ENTRY_WATCHDOG
+ #define bootLoaderInit()
+ #define bootLoaderExit()
+ #define bootLoaderStartCondition() (MCUSR&_BV(WDRF))
+#elif ENTRYMODE==ENTRY_EXT_RESET
+ #define bootLoaderInit()
+ #define bootLoaderExit()
+ #define bootLoaderStartCondition() (MCUSR&_BV(EXTRF))
+#elif ENTRYMODE==ENTRY_JUMPER
+ // Enable pull up on jumper pin and delay to stabilize input
+ #define bootLoaderInit() {JUMPER_DDR&=~_BV(JUMPER_PIN);JUMPER_PORT|=_BV(JUMPER_PIN);_delay_ms(1);}
+ #define bootLoaderExit() {JUMPER_PORT&=~_BV(JUMPER_PIN);}
+ #define bootLoaderStartCondition() (!(JUMPER_INP&_BV(JUMPER_PIN)))
+#else
+ #error "No entry mode defined"
+#endif
+
+/*
+ * Define bootloader timeout value.
+ *
+ * The bootloader will only time out if a user program was loaded.
+ *
+ * AUTO_EXIT_NO_USB_MS The bootloader will exit after this delay if no USB is connected.
+ * Set to 0 to disable
+ * Adds ~6 bytes.
+ * (This will wait for an USB SE0 reset from the host)
+ *
+ * AUTO_EXIT_MS The bootloader will exit after this delay if no USB communication
+ * from the host tool was received.
+ * Set to 0 to disable
+ *
+ * All values are approx. in milliseconds
+ */
+
+#define AUTO_EXIT_NO_USB_MS 0
+#define AUTO_EXIT_MS 6000
+
+ /*
+ * Defines the setting of the RC-oscillator calibration after quitting the bootloader. (OSCCAL)
+ *
+ * OSCCAL_RESTORE_DEFAULT Set this to '1' to revert to OSCCAL factore calibration after bootlaoder exit.
+ * This is 8 MHz +/-2% on most devices or 16 MHz on the ATtiny 85 with activated PLL.
+ * Adds ~14 bytes.
+ *
+ * OSCCAL_SAVE_CALIB Set this to '1' to save the OSCCAL calibration during program upload.
+ * This value will be reloaded after reset and will also be used for the user
+ * program unless "OSCCAL_RESTORE_DEFAULT" is active. This allows calibrate the internal
+ * RC oscillator to the F_CPU target frequency +/-1% from the USB timing. Please note
+ * that only true if the ambient temperature does not change.
+ * Adds ~38 bytes.
+ *
+ * OSCCAL_HAVE_XTAL Set this to '1' if you have an external crystal oscillator. In this case no attempt
+ * will be made to calibrate the oscillator. You should deactivate both options above
+ * if you use this to avoid redundant code.
+ *
+ * If both options are selected, OSCCAL_RESTORE_DEFAULT takes precedence.
+ *
+ * If no option is selected, OSCCAL will be left untouched and stays at either factory calibration or F_CPU depending
+ * on whether the bootloader was activated. This will take the least memory. You can use this if your program
+ * comes with its own OSCCAL calibration or an external clock source is used.
+ */
+
+#define OSCCAL_RESTORE_DEFAULT 0
+#define OSCCAL_SAVE_CALIB 0
+#define OSCCAL_HAVE_XTAL 1
+
+/*
+ * Defines handling of an indicator LED while the bootloader is active.
+ *
+ * LED_MODE Define behavior of attached LED or suppress LED code.
+ *
+ * NONE Do not generate LED code (gains 18 bytes).
+ * ACTIVE_HIGH LED is on when output pin is high. This will toggle bettwen 1 and 0.
+ * ACTIVE_LOW LED is on when output pin is low. This will toggle between Z and 0.
+ *
+ * LED_DDR,LED_PORT,LED_PIN Where is your LED connected?
+ *
+ */
+
+#define LED_MODE NONE
+
+#define LED_DDR DDRB
+#define LED_PORT PORTB
+#define LED_PIN PB1
+
+/*
+ * This is the implementation of the LED code. Change the configuration above unless you want to
+ * change the led behavior
+ *
+ * LED_INIT Called once after bootloader entry
+ * LED_EXIT Called once during bootloader exit
+ * LED_MACRO Called in the main loop with the idle counter as parameter.
+ * Use to define pattern.
+*/
+
+#define NONE 0
+#define ACTIVE_HIGH 1
+#define ACTIVE_LOW 2
+
+#if LED_MODE==ACTIVE_HIGH
+ #define LED_INIT(x) LED_DDR = _BV(LED_PIN);
+ #define LED_EXIT(x) {LED_DDR &=~_BV(LED_PIN);LED_PORT &=~_BV(LED_PIN);}
+ #define LED_MACRO(x) if ( x & 0x4c ) {LED_PORT&=~_BV(LED_PIN);} else {LED_PORT|=_BV(LED_PIN);}
+#elif LED_MODE==ACTIVE_LOW
+ #define LED_INIT(x) LED_PORT &=~_BV(LED_PIN);
+ #define LED_EXIT(x) LED_DDR &=~_BV(LED_PIN);
+ #define LED_MACRO(x) if ( x & 0x4c ) {LED_DDR&=~_BV(LED_PIN);} else {LED_DDR|=_BV(LED_PIN);}
+#elif LED_MODE==NONE
+ #define LED_INIT(x)
+ #define LED_EXIT(x)
+ #define LED_MACRO(x)
+#endif
+
+/* --------------------------------------------------------------------------- */
+/* Micronucleus internal configuration. Do not change anything below this line */
+/* --------------------------------------------------------------------------- */
+
+// Microcontroller vectortable entries in the flash
+#define RESET_VECTOR_OFFSET 0
+
+// number of bytes before the boot loader vectors to store the tiny application vector table
+#define TINYVECTOR_RESET_OFFSET 4
+#define TINYVECTOR_OSCCAL_OFFSET 6
+
+/* ------------------------------------------------------------------------ */
+// postscript are the few bytes at the end of programmable memory which store tinyVectors
+#define POSTSCRIPT_SIZE 6
+#define PROGMEM_SIZE (BOOTLOADER_ADDRESS - POSTSCRIPT_SIZE) /* max size of user program */
+
+#endif /* __bootloader_h_included__ */