len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-20 10:08:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

Update trace recorder code.

Browse source 
Add TCP Echo server to the FreeR_Plus_TCP_Minimal_Window_Simulator project.
This commit is contained in:
Richard Barry 2018-07-02 22:29:02 +00:00
parent f7fc215247
commit d525d5092d
35 changed files with 4431 additions and 2436 deletions
Download patch file Download diff file Expand all files Collapse all files

71
FreeRTOS-Plus/Source/FreeRTOS-Plus-Trace/streamports/ARM_ITM/trcStreamingPort.c Normal file
View file

@ -0,0 +1,71 @@
#include "trcRecorder.h"
#if (TRC_USE_TRACEALYZER_RECORDER == 1)
#if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
static void itm_write_32(uint32_t data);
volatile int32_t tz_host_command_bytes_to_read = 0; // This is set by the Tracealyzer host application (to the number of bytes written), after having written to tz_host_commands. Set to zero by the read function after the message in tz_host_commands has been read.
volatile char tz_host_command_data[32];
/* This reads "command" data from a RAM buffer, written by a host macro in the debugger */
int32_t read_from_host(void* ptrData, uint32_t size, int32_t* ptrBytesRead)
{
if ( tz_host_command_bytes_to_read > 0)
{
int i;
uint8_t * bytesBuffer = (uint8_t*) ptrData;
if (ptrBytesRead != NULL)
*ptrBytesRead = (int32_t)tz_host_command_bytes_to_read;
if (tz_host_command_bytes_to_read != size)
{
return -1;
}
for (i=0; i < tz_host_command_bytes_to_read; i++)
{
bytesBuffer[i] = tz_host_command_data[i];
}
tz_host_command_bytes_to_read = 0;
}
return 0;
}
static void itm_write_32(uint32_t data)
{
if ((CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA_Msk) && // Trace enabled
(ITM->TCR & ITM_TCR_ITMENA_Msk) && // ITM enabled
(ITM->TER & (1UL << 0))) // ITM Port #0 enabled
{
while (ITM->PORT[TRC_CFG_ITM_PORT].u32 == 0); // Block until room in ITM FIFO - This stream port is always in "blocking mode", since intended for high-speed ITM!
ITM->PORT[TRC_CFG_ITM_PORT].u32 = data; // Write the data
}
}
/* This is assumed to execute from within the recorder, with interrupts disabled */
int32_t itm_write(void* ptrData, uint32_t size, int32_t* ptrBytesWritten)
{
uint32_t bytesWritten = 0;
uint32_t* ptr32 = (uint32_t*)ptrData;
if (size % 4 != 0) return -2;
while(bytesWritten < size)
{
itm_write_32(*ptr32);
ptr32++;
bytesWritten += 4;
}
*ptrBytesWritten = bytesWritten;
return 0;
}
#endif
#endif