Question
Is it possible to create and inject data from my STM32F4 ?
Hello all,
Is it possible to create, inject data and perform the inference with just my STM32F4-DISCO without any connection with my PC (of course I must beforhand flash my model into my board). And how would you do it, I tried to integrate the code from "How to run locally a c-model" in my file but it doesn't seems to work. I thanks you in advance !
The code :
int ai_network_***(void)
{
ai_u8 activations[AI_NETWORK_DATA_ACTIVATIONS_SIZE];
ai_u8 in_data[AI_NETWORK_IN_1_SIZE_BYTES];
ai_u8 out_data[AI_NETWORK_OUT_1_SIZE_BYTES];
/* AI buffer IO handlers */
ai_buffer *ai_input;
ai_buffer *ai_output;
ai_handle network = AI_HANDLE_NULL;
ai_error err;
ai_network_report report;
/** @brief Initialize network */
const ai_handle acts[] = { activations };
err = ai_network_create_and_init(&network, acts, NULL);
if (err.type != AI_ERROR_NONE) {
printf("ai init_and_create error\n");
return -1;
}
/** @brief {optional} for debug/log purpose */
if (ai_network_get_report(network, &report) != true) {
printf("ai get report error\n");
return -1;
}
printf("Model name : %s\n", report.model_name);
printf("Model signature : %s\n", report.model_signature);
ai_input = &report.inputs[0];
ai_output = &report.outputs[0];
/** @brief Fill input buffer with random values */
srand(1);
for (int i = 0; i < AI_NETWORK_IN_1_SIZE; i++) {
in_data[i] = rand() % 0xFFFF;
}
/** @brief Normalize, convert and/or quantize inputs if necessary... */
/** @brief Perform inference */
ai_i32 n_batch;
/** @brief Create the AI buffer IO handlers
* @note ai_inuput/ai_output are already initilaized after the
* ai_network_get_report() call. This is just here to illustrate
* the case where get_report() is not called.
*/
ai_input = ai_network_inputs_get(network, NULL);
ai_output = ai_network_outputs_get(network, NULL);
/** @brief Set input/output buffer addresses */
ai_input[0].data = AI_HANDLE_PTR(in_data);
ai_output[0].data = AI_HANDLE_PTR(out_data);
/** @brief Perform the inference */
n_batch = ai_network_run(network, &ai_input[0], &ai_output[0]);
if (n_batch != 1) {
err = ai_network_get_error(network);
printf("ai run error %d, %d\n", err.type, err.code);
return -1;
}
/** @brief Post-process the output results/predictions */
printf("Inference output..\n");
for (int i = 0; i < AI_NETWORK_OUT_1_SIZE; i++) {
printf("%d,", out_data[i]);
}
printf("\n");
return 0;
}Regards,
Numa