busvoodoo
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| busvoodoo [2017/12/14 22:34] – [features] kingkevin | busvoodoo [2017/12/15 09:06] – [protocols] kingkevin | ||
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| This tool allows to quickly communicate with various other electronic devices. | This tool allows to quickly communicate with various other electronic devices. | ||
| - | ==== features ==== | + | ===== features |
| The BusVoodoo is a multi-protocol debugging adapter. | The BusVoodoo is a multi-protocol debugging adapter. | ||
| Line 12: | Line 12: | ||
| Device features: | Device features: | ||
| - | * small rigid case: 49.3x27.7 mm | + | * compact |
| * host connection: USB 2.0 (mini-B, full speed: 11 Mb/s) | * host connection: USB 2.0 (mini-B, full speed: 11 Mb/s) | ||
| * 2 light indicators: red for power, red+blue for activity | * 2 light indicators: red for power, red+blue for activity | ||
| Line 18: | Line 18: | ||
| * 1 display connector (OLED screen provided in full version) | * 1 display connector (OLED screen provided in full version) | ||
| * 1 internal debugging and automation connector (2x4 pins with 2 mm pitch) | * 1 internal debugging and automation connector (2x4 pins with 2 mm pitch) | ||
| + | * re-flashable with [[# | ||
| I/O connector: | I/O connector: | ||
| Line 49: | Line 50: | ||
| It comes with no network connectivity. | It comes with no network connectivity. | ||
| Its purpose is to debug and hack devices locally, not to provide a gateway to remotely control other devices. | Its purpose is to debug and hack devices locally, not to provide a gateway to remotely control other devices. | ||
| + | |||
| + | === not the ultimate all-in-one device: === | ||
| + | |||
| + | The BusVoodoo is a compact device which supports a lot of [[# | ||
| + | But it is not intended to replace all the other special purpose adapters (USB to UART, JTAG, ...) which probably can better solve specific task because their are: more stable, simpler, more powerful, faster, more stable, cheaper, or more available. | ||
| + | Thus the BusVoodoo is a good choice to start with, but if you want better performances switch to a device designed for each particular task. | ||
| === not community driven: === | === not community driven: === | ||
| Line 57: | Line 64: | ||
| Nothing prevents you from building it yourself or forking it though. | Nothing prevents you from building it yourself or forking it though. | ||
| Both hardware and software are open-source and available here, and you are welcome to submit bug reports or patches. | Both hardware and software are open-source and available here, and you are welcome to submit bug reports or patches. | ||
| - | ==== protocols ==== | ||
| - | ==== history ==== | + | ===== protocols ===== |
| + | |||
| + | The signals can be driven using 3.3 V push-pull mode, or 1.6 to 5.5 V open-drain mode with 2 kOhm embedded pull-up resistors (can be increased using external resistor). | ||
| + | |||
| + | ^ protocol ^ support ^ comment ^ | ||
| + | | UART | hardware | 2 UARTs available, 1 with hardware flow control | | ||
| + | | SPI | hardware | with multiple Chip Select | | ||
| + | | I²C | hardware | with embedded pull-up resistors | | ||
| + | | I²S | hardware | with master clock | | ||
| + | | SD/eMMC | hardware | with 1 or 4 data lines | | ||
| + | | SMBus | hardware | with embedded pull-up resistors | | ||
| + | | LIN | hardware | | | ||
| + | | ISO-7816 | hardware | | | ||
| + | | RS-232 | hardware | with hardware flow control, only in full version | | ||
| + | | RS-485 | hardware | no termination resistor, only in full version | | ||
| + | | RS-422 | hardware | no termination resistor, only in full version | | ||
| + | | CAN | hardware | no termination resistor, only in full version | | ||
| + | | 1-Wire | software | | | ||
| + | | MicroWire | software | | | ||
| + | | WS2812b | sofware | dedicated LED light protocol | | ||
| + | | DHT11/DHT22 | software | dedicated humidity/ | ||
| + | | TM1637 | software | dedicated 7-segment display protocol | | ||
| + | | IR | software | various InfraRed protocols, planned | | ||
| + | | JTAG | software | planned | | ||
| + | | SWD | software | planned | | ||
| + | | cJTAG | software | planned | | ||
| + | |||
| + | note: the status of each protocol support is not documented yet (WiP) | ||
| + | |||
| + | no matter which protocol you are using, the hardware has been designed to provide one additional UART port | ||
| + | |||
| + | ===== firmwares ===== | ||
| + | |||
| + | ===== history | ||
| Whenever I go to conferences I like to take apart devices I find there. | Whenever I go to conferences I like to take apart devices I find there. | ||
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| Use a terminal emulation program to connect to it (e.g. [[https:// | Use a terminal emulation program to connect to it (e.g. [[https:// | ||
| - | ==== alternatives ==== | + | ===== alternatives |
| I am not the first one having this problem and creating such a device. | I am not the first one having this problem and creating such a device. | ||
| Line 103: | Line 142: | ||
| But BusVoodoo will never replace dedicated tools (USB to UART dongle, JTAG adapter, flash programmer, ...) or prevent from using a development board to control all nifty protocol details. | But BusVoodoo will never replace dedicated tools (USB to UART dongle, JTAG adapter, flash programmer, ...) or prevent from using a development board to control all nifty protocol details. | ||
| The BusVoodoo is more of a quick all-in-one first approach tool. | The BusVoodoo is more of a quick all-in-one first approach tool. | ||
| - | ==== presentation ==== | ||