About 1,817,233 results (5,569 milliseconds)

Interrupt driven uart communication

https://groups.google.com/g/beagleboard/c/6UHkJIilCcw
Interrupts are purely in the domain of kernel space. The UART drivers are all fully interrupt driven. Here is some sample code for reading/writing to the serial ...

Linux serial port dropping bytes

https://groups.google.com/g/comp.arch.embedded/c/xvKkmf1K6ig
start to lose bytes. I believe this is caused by the Linux serial port interrupt handler not responding fast enough. Some testing revealed that this problem ...

Introduction to Embedded Systems - Basics - Interrupts

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/interrupts/basics-interrupts
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... For example, a GPIO can be an interrupt source. We can then program the GPIO ...

Introduction to Embedded Systems - Programming with Interrupts

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/interrupts/programming-with-interrupts
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... For this, we need to talk to the interrupt source (the peripherals such as GPIO, ...

Introduction to Embedded Systems - Architecture - Interrupts

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/interrupts/architecture-interrupts
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... Finally, at the processor level, the appropriate ISR is executed when the ...

how to access keyboard interrupt for qemu virt machine?

https://groups.google.com/a/groups.riscv.org/g/sw-dev/c/1gpj3Z9Aqew
Jul 16, 2018 ... For interrupts, you can take a look at some of the examples ... You could just used polled IO or interrupt IO and talk directly to the UART for ...

Introduction to Embedded Systems - Example - UART

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/uart/example-uart
UART: Example ... Suppose we wanted to send the character 'q' using a UART. Our data frame is specified as [8E1], the baudrate is 9600, and the counter clock ...

[PATCH 1/2] serial: fsl-imx-uart: Cleanup duplicate device tree binding

https://groups.google.com/g/linux.kernel/c/jchiUzKGaAE
+- interrupts : UART interrupt +- clocks : phandle to the uart source clock (usually a 24Mhz fixed clock) + +Example: + + uart@d8210000 { + compatible ...

LPC1788: uart TX interrupt problem

https://groups.google.com/g/comp.arch.embedded/c/fWoP1TOyang
May 16, 2023 ... For example, I can see the status LED blinking as usual. The uart data structure is configured in the following way: * rx_callback=NULL * ...

USART interrupt on transmission

https://groups.google.com/g/comp.arch.embedded/c/_SzUDjI8v3g
last pushed data. Documentation usually lacks details on these interrupts, for example exactly WHEN they are triggered. I made some tests on SAMD20 (from ...

Getting DR CP/NET working on RC2014?

https://groups.google.com/g/rc2014-z80/c/mbpYCoKdNeA
ASM files to SIO/2 for RC2014 serial port B? The DRI sample SNIOS.ASM offers builds for 3 different computers with other uarts but I think it predates Zilog SIO ...

multiport serial card problem - help needed

https://groups.google.com/g/microsoft.public.win32.programmer.kernel/c/XNPvYHODnLQ
Apr 1, 1998 ... Interrupt REG_DWORD actual interrupt that the card uses ... interrupt is received. Example: Board located at 0x100 (100, 108, 110, 118) ...

How to send & receive data with interrupt in RS232

https://groups.google.com/d/msgid/jallib/21329211-66fc-4dda-a32d-da472e0be127n%40googlegroups.com
You should include the serial library and then use it. Have a look in the Jallib sample directory and check a sample file with the name 'serial_hw_int_cts' in ...

Introduction to Embedded Systems - Programming with UART

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/uart/programming-with-uart
extern uint_fast8_t UART_getInterruptStatus(uint32_t moduleInstance,. uint8_t mask);. As with the previous functions, moduleInstance specifies the UART module ...

Introduction to Embedded Systems - Interrupt Handling/Control - I2C

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/i2c-spi/programming-i2c-with-arduino/interrupts-i2c/interrupt-handlingcontrol-i2c
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... These interrupts quite literally interrupt the current code execution, run some ...

Raspberry PI: Interrupts and kernel module hacking

https://groups.google.com/g/connected-community-hackerspace/c/AJ1rf0Wy6qI
up to the Raspberry Pi serial UART (on the GPIO pins). When making more ... at an appropriate point, e.g when your hardware interrupt handler gets ...

New 8085 CPU Module designed for RC2014

https://groups.google.com/g/rc2014-z80/c/qo7nfDZmY-k
SInce the 8085 has no Mode 2 interrupt but has plenty of interrupt lines, I thought the best option was to put a MC6850 UART on the PCB.

Introduction to Embedded Systems - Blocking vs Non-blocking Code

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/programming/blocking-vs-non-blocking-code
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... Example: Interrupt-Based. Generally, the main-loop design of our interrupt ...

US6272452B1 - Universal asynchronous receiver transmitter (UART ...

https://patents.google.com/patent/US6272452B1/en
For example, the host pacing interrupt logic 26 generates host processor interrupt pacing to facilitate overriding of the interrupt from the UART emulation ...

Introduction to Embedded Systems - UART

https://sites.google.com/vt.edu/introduction-to-embeddedsystem/uart
Example - UART · Programming with UART · Hardware - UART · Analog-Digital ... Interrupt Handling/Control - I2C · Flags - I2C · Registers - I2C · Global Variables ...