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Refs #316. Increased XCPLOADER_CONNECT_TIMEOUT_MS from 20 to 50ms, due to SocketCAN's slower responsiveness. Shortened the wait loop in SocketCAN's interface module from 1ms to 10us to improve throughput. 

git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@326 5dc33758-31d5-4daf-9ae8-b24bf3d40d73
This commit is contained in:
Frank Voorburg 2017-08-02 16:54:29 +00:00
parent 7343e2a9a6
commit 4e11b1401f
2 changed files with 6 additions and 3 deletions
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7
Host/Source/LibOpenBLT/port/linux/canif/socketcan/socketcan.c
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@ -38,6 +38,7 @@
#include <pthread.h> /* for posix threads */ #include <pthread.h> /* for posix threads */
#include <unistd.h> /* UNIX standard functions */ #include <unistd.h> /* UNIX standard functions */
#include <fcntl.h> /* file control operations */ #include <fcntl.h> /* file control operations */
#include <sys/time.h> /* time definitions */
#include <sys/ioctl.h> /* I/O control operations */ #include <sys/ioctl.h> /* I/O control operations */
#include <net/if.h> /* network interfaces */ #include <net/if.h> /* network interfaces */
#include <linux/can.h> /* CAN kernel definitions */ #include <linux/can.h> /* CAN kernel definitions */
@ -567,8 +568,10 @@ static void *SocketCanEventThread(void *param)
} }
} }
} }
/* wait a little to not starve the CPU */ /* Wait a little to not starve the CPU, but not too long to prevent interference with
UtilTimeDelayMs(1); * data throughput.
*/
(void)usleep(10u);
} }
/* handshake */ /* handshake */

2
Host/Source/LibOpenBLT/xcploader.c
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@ -54,7 +54,7 @@
#define XCPLOADER_CMD_PID_RES (0xFFu) /**< positive response */ #define XCPLOADER_CMD_PID_RES (0xFFu) /**< positive response */
/** \brief Maximum timeout for the XCP connect command. */ /** \brief Maximum timeout for the XCP connect command. */
#define XCPLOADER_CONNECT_TIMEOUT_MS (20u) #define XCPLOADER_CONNECT_TIMEOUT_MS (50u)
/** \brief Number of retries to connect to the XCP slave. */ /** \brief Number of retries to connect to the XCP slave. */
#define XCPLOADER_CONNECT_RETRIES (5u) #define XCPLOADER_CONNECT_RETRIES (5u)