Using software instead of dedicated hardware to process and make use of signals
Not to be confused with Bit-twiddling, Bit-slicing, or Bit-banding.
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In computer engineering and electrical engineering, bit banging or bit bashing[citation needed] is a term of art for any method of data transmission that employs software as a substitute for dedicated hardware to generate transmitted signals or process received signals. Such software directly sets and samples the states of GPIOs (e.g., pins on a microcontroller) to transmit and receive, respectively, and is responsible for meeting all timing requirements and protocol sequencing of the signals. In contrast to bit banging, dedicated hardware (e.g., UART, SPI, I²C) satisfies these requirements and, if necessary, provides a data buffer to relax software timing requirements. Bit banging can be implemented at very low cost, and is commonly used in embedded systems.[1]
Bit banging allows a device to implement different protocols with minimal or no hardware changes. In some cases, bit banging is made feasible by newer, faster processors because more recent hardware operates much more quickly than hardware did when standard communications protocols were created.
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In computer engineering and electrical engineering, bitbanging or bit bashing[citation needed] is a term of art for any method of data transmission that...
to other hardware or a bit-banging software implementation. The pseudocode below outlines a software-implementation ("bit-banging") of SPI's protocol as...
predication. Bit array Bit banding BitbangingBit field Bit manipulation instruction set — bit manipulation extensions for the x86 instruction set. BIT predicate...
manipulation; Interacting with computer hardware, especially when using a bit-banging technique; Reading or writing binary file formats; or Being unnecessarily...
voltage adaptor, the serial protocol being implemented in software by bit-banging. This led to problems when receiving data, but not when transmitting...
instead use the CPU to send the data through an output pin, using the bitbanging technique. These early home computers often had proprietary serial ports...
are relatively slow because they use the host CPU to change each bit ("bitbanging"). They have declined in usefulness because most computers in recent...
working well only on displays with low persistence, which tend to flicker. Bitbanging CueCat Digital pen Light gun Pen computing Stylus (computing) For example...
the slower one-bit SPI bus mode. If not, SPI can also be emulated by bitbanging (e.g. a SD card slot soldered to a Linksys WRT54G-TM router and wired...
RF transceiver for power sockets control purposes and later a mix of bitbanging and SDIO/DMA features turning the SD card slot into a VGA port. As the...
(pulse-width modulation or "PWM", via a process now often referred to as "bitbanging") on a bus line that had been connected to an amplified speaker originally...
Lacking specialized electronics, many power meter implementations utilize a bit-banged SIR phy, running at 9600 BAUD using a minimum-width pulse (i.e. 3/16 of...
Chitty Chitty BangBang is a 1968 musical fantasy film directed by Ken Hughes and produced by Albert R. Broccoli. It stars Dick Van Dyke, Sally Ann Howes...
the C64's release, some astute programmers realized that Commodore's bit-banging serial KERNAL routines were unnecessarily sluggish. Since the CPU in...
bit-banged communications: Serial (asynchronous serial) SPI (synchronous serial) Infrared (using a 38 kHz carrier, seven data bits and five ID bits)...
have terminated development of NSP because of threats from Microsoft. Bitbanging "BBC NEWS | Special Report | 1998 | 04/98 | Microsoft | USA versus Microsoft:...
if connected to older Commodore machines. This mode replaced the slow bit-banging serial routines of the 1541 with a true serial shift register implemented...
Virtual Toys, bought Bit Managers. That business relationship continues and Bit Managers is a subsidiary of Virtual Toys Barcelona. Bang! is a wild west shoot...
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