Search found 109 matches

by Prima
20 Jun 2017, 12:04
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

/* Enable Internal RC 22.1184MHz clock */ CLK_EnableXtalRC(CLK_PWRCON_OSC22M_EN_Msk); /* Waiting for Internal RC clock ready */ CLK_WaitClockReady(CLK_CLKSTATUS_OSC22M_STB_Msk); /* Switch HCLK clock source to Internal RC and HCLK source divide 1 */ CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_HIRC, CLK_CLKDIV_HC...
by Prima
20 Jun 2017, 12:03
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

Code: Select all

PLL_CLOCK 48 million #define 
unsigned char DestArray [256]; 

To learn about how to configure the clock.

Thanks,
Abracadabra
mid-level engineer
by Prima
20 Jun 2017, 12:00
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

/**************************************************************************//** * [url=home.php?mod=space&uid=288409]@file[/url] main.c * [url=home.php?mod=space&uid=895143]@version[/url] V2.00 * $Revision: 1 $ * $Date: 14/05/21 4:10p $ * [url=home.php?mod=space&uid=247401]@brief[/url] NUC230_240 S...
by Prima
20 Jun 2017, 11:59
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

SPI routines also so special, be sure to see.

Thanks,
huangcunxiake
Senior Engineer
by Prima
20 Jun 2017, 11:58
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

Transmitted in real time meaning it? How still it was.

Thanks,
yiyigirl2014
Senior Engineer
by Prima
20 Jun 2017, 11:58
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

Use NUC240 RTX binding SPI PDMA read SPI FLASH. interesting

Thanks,
Fearless catch the worm
mid-level engineer
by Prima
20 Jun 2017, 11:57
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

Re: NUC240 RTX binding SPI PDMA

SPI's DMA, why should it take a P. What PDMA is a difference do with DMA

Thanks,
734774645
Senior Engineer
by Prima
20 Jun 2017, 11:56
Forum: uCOS-II / FreeRTOS OS porting
Topic: NUC240 RTX binding SPI PDMA
Replies: 12
Views: 16318

NUC240 RTX binding SPI PDMA

Use NUC240 RTX binding SPI PDMA read SPI FLASH.

Thanks,
a_ziliu
Senior Technician
by Prima
20 Jun 2017, 11:43
Forum: uCOS-II / FreeRTOS OS porting
Topic: RTX Real-Time Kernel System
Replies: 4
Views: 8433

Re: RTX Real-Time Kernel System

Not sure how this system manages the interruption of the system.

Thanks,
Heisexingqisi
Junior engineer
by Prima
20 Jun 2017, 11:38
Forum: uCOS-II / FreeRTOS OS porting
Topic: RTX Real-Time Kernel System
Replies: 4
Views: 8433

Re: RTX Real-Time Kernel System

The system kernel is responsible for system resource allocation and task scheduling.

Thanks,
Stable and happy
Senior engineer