usbtest/libopencm3/tests/shared/trace.c

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#include <stdint.h>
#include <libopencm3/cm3/common.h>
#include <libopencm3/cm3/memorymap.h>
#include <libopencm3/cm3/itm.h>
#include "trace.h"
void trace_send_blocking8(int stimulus_port, char c)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
while (!(ITM_STIM8(stimulus_port) & ITM_STIM_FIFOREADY));
ITM_STIM8(stimulus_port) = c;
}
void trace_send8(int stimulus_port, char val)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
ITM_STIM8(stimulus_port) = val;
}
void trace_send_blocking16(int stimulus_port, uint16_t val)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
while (!(ITM_STIM16(stimulus_port) & ITM_STIM_FIFOREADY));
ITM_STIM16(stimulus_port) = val;
}
void trace_send16(int stimulus_port, uint16_t val)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
ITM_STIM16(stimulus_port) = val;
}
void trace_send_blocking32(int stimulus_port, uint32_t val)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
while (!(ITM_STIM32(stimulus_port) & ITM_STIM_FIFOREADY));
ITM_STIM32(stimulus_port) = val;
}
void trace_send32(int stimulus_port, uint32_t val)
{
if (!(ITM_TER[0] & (1<<stimulus_port))) {
return;
}
ITM_STIM32(stimulus_port) = val;
}