diff --git a/boards/atmega1284p/Makefile.include b/boards/atmega1284p/Makefile.include index 0959205d35..bc1a2dfce4 100644 --- a/boards/atmega1284p/Makefile.include +++ b/boards/atmega1284p/Makefile.include @@ -5,7 +5,7 @@ BAUD ?= 9600 ATMEGA1284P_CLOCK ?= # Allow overwriting programmer via env variables without affecting other boards -PROGRAMMER_BOARD_ATMEGA1284P ?= dragon_isp +PROGRAMMER_BOARD_ATMEGA1284P ?= atmelice # ICSP programmer to use for avrdude PROGRAMMER ?= $(PROGRAMMER_BOARD_ATMEGA1284P) diff --git a/boards/atmega1284p/doc.txt b/boards/atmega1284p/doc.txt index fd9f263290..f76bc7a729 100644 --- a/boards/atmega1284p/doc.txt +++ b/boards/atmega1284p/doc.txt @@ -46,10 +46,10 @@ fuse is set, so that the clock is divided down to 1MHz. By disabling the can be done with: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -avrdude -c dragon_isp -p m1284p -B 32 -U lfuse:w:0xc2:m +avrdude -c atmelice -p m1284p -B 32 -U lfuse:w:0xc2:m ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -(Replace `dragon_isp` with the programmer you are using. The -B 32 might be +(Replace `atmelice` with the programmer you are using. The -B 32 might be needed for some programmers to successfully communicate with ATmegas clocked at less than 2MHz. It will no longer be needed after disabling `CKDIV8`.) @@ -80,8 +80,8 @@ needed. Connect the programmer as follows: | RESET | 9/RESET | | Ground | 11/GND | -The tool `avrdude` needs to be installed. When using the AVR Dragon for -programming, running +The tool `avrdude` needs to be installed. When using the Atmel ICE for +connected via JTAG for programming, running make BOARD=atmega1284p flash @@ -100,21 +100,20 @@ the TTL adapter. Usually everything between 3.3 V and 5 V should work. ## On-Chip Debugging -In order to debug the ATmega1284P, an compatible debugger is needed. The AVR -Dragon is the ~~cheapest~~ least expensive option currently available. (But at -least it can program and debug pretty much all AVRs and can even be used to -de-brick ATmega MCUs using high voltage programming.) +In order to debug the ATmega1284P, an compatible debugger is needed. The Atmel +ICE is the ~~cheapest~~ least expensive option currently available. (But at +least it can program and debug pretty much all Atmel AVR and ARM chips.) -Once the AVR Dragon is correctly connected, the ATmega1284P has the JTAG +Once the Atmel ICE is correctly connected, the ATmega1284P has the JTAG interface enabled, and the required software is installed, debugging can be started using make debug -@note If you are using a different debugger than the AVR Dragon, you have +@note If you are using a different debugger than the Atmel ICE, you have to export the `AVR_DEBUGDEVICE` environment variable to the required - flag to pass to AVaRICE, e.g. when using the Atmel-ICE you have to - export `AVR_DEBUGDEVICE=--edbg`. If the debug device is not + flag to pass to AVaRICE, e.g. when using the AVR Dragon you have to + export `AVR_DEBUGDEVICE=--dragon`. If the debug device is not connected via USB, you also need to export `AVR_DEBUGINTERFACE` to the correct value. @@ -128,7 +127,7 @@ version of AVaRICE, you'll have to build the tool from source. ### JTAG Pin Mapping -| Pin Name | Pin | Signal | AVR Dragon Pin | +| Pin Name | Pin | Signal | Atmel ICE Pin | |:----------|:------|:----------|:------------------| | PC5 | 27 | TDI | JTAG-9 | | PC4 | 26 | TDO | JTAG-3 |