bool ll_send_stream<T>::send(T* slot_data)
{
T *write_ptr = 0;
int slots = max_llstream_write_acquire(ll_stream<T>::handle(), 1, (void **) &write_ptr);
if(slots == 0) {
// std::cerr << "No space to send data" << std::endl;
return false;
} else {
// std::cerr << "Sending data" << std::endl;
std::copy(slot_data, slot_data + ll_stream<T>::slot_length(), write_ptr);
max_llstream_write(ll_stream<T>::handle(), 1);
return true;
}
}
int main(int argc, char *argv[])
{
(void) argc;
(void) argv;
max_file_t *maxfile = INIT_NAME();
if(!maxfile) {
printf("Failed to init MAX file\n");
return -1;
}
max_config_set_bool(MAX_CONFIG_PRINTF_TO_STDOUT, true);
const char *device_name = "*";
printf("Opening device: %s\n", device_name);
max_engine_t *engine = max_load(maxfile, device_name);
if(!engine) {
printf("Failed to open Max device\n");
exit(-1);
}
max_reset_engine(engine);
/*
* SLiC is so shit, that if we don't run an empty action, no debug outputs will be generated.
*/
max_actions_t *action = max_actions_init(maxfile, NULL);
max_run(engine, action);
max_actions_free(action);
srand(time(NULL));
single_entry_t *outputData = calloc(MAX_DEPTH, sizeof(single_entry_t));
void *configWordBuffer = NULL;
posix_memalign(&configWordBuffer, 4096, 512 * sizeof(configWord_t));
max_llstream_t *configWordStream = max_llstream_setup(engine, "configWord", 512, sizeof(configWord_t), configWordBuffer);
uint64_t configBase = 0;
printf("Sending config word...\n");
void *configWordSlot;
while (max_llstream_write_acquire(configWordStream, 1, &configWordSlot) != 1) usleep(10);
configWord_t *configWord = configWordSlot;
configWord->wordCount = MAX_DEPTH;
configWord->base = configBase;
max_llstream_write(configWordStream, 1);
getchar();
printf("Streaming 'read_fifo'...\n"); fflush(stdout);
action = max_actions_init(maxfile, NULL);
max_queue_output(action, "read_fifo", outputData, sizeof(single_entry_t) * MAX_DEPTH);
max_disable_reset(action);
max_disable_validation(action);
max_enable_partial_memory(action);
max_run(engine, action);
max_actions_free(action);
printf("Comparing...\n"); fflush(stdout);
uint8_t fail = 0;
for (size_t entryIx=0; entryIx < MAX_DEPTH; entryIx++) {
uint64_t *output = (uint64_t *)outputData[entryIx].data;
size_t quadsPerEntry = sizeof(single_entry_t) / sizeof(uint64_t);
uint64_t expected = (configBase + entryIx);
if (expected != output[0]) {
fail = 1;
printf("[Entry: %zd, Quad: %zd] Mismatch: input 0x%lx, output 0x%lx\n", entryIx, 0L, expected, output[0]);
}
for (size_t q = 1; !fail && q < quadsPerEntry; q++) {
if (0 != output[q]) {
fail = 1;
printf("[Entry: %zd, Quad: %zd] Mismatch: input 0x%lx, output 0x%lx\n", entryIx, q, 0L, output[q]);
}
}
}
printf("%s\n", fail ? "FAILED!" : "Success");
return fail;
}
ssize_t acquire(size_t numSlots, void** slots) {
return max_llstream_write_acquire(ll.get(), numSlots, slots);
}
