Sending and reception of big data file (1kB example)
Dependencies: modem_ref_helper CRC DebouncedInterrupt
main.cpp
- Committer:
- Jeej
- Date:
- 2021-02-17
- Revision:
- 16:2990b7d21ca2
- Parent:
- 15:9a9cfb0c3c4e
File content as of revision 16:2990b7d21ca2:
// @autor: jeremie@wizzilab.com // @date: 2017-12-14 #include "DebouncedInterrupt.h" #include "modem_d7a.h" #include "modem_callbacks.h" #include "files.h" #include "crc.h" #define CHUNK_SIZE 128 Semaphore button_user(0); Semaphore modem_ready(0); Queue<touch_t, 8> g_file_modified; // This describe the upload interface // Do not modify uncommented parameters alp_itf_d7a_cfg_t report_itf = { .type = ALP_ITF_TYPE_D7A, .cfg.to.byte = D7A_CTF_ENCODE(0), .cfg.te.byte = D7A_CTF_ENCODE(0), .cfg.qos.bf.resp = D7A_RESP_PREFERRED, .cfg.qos.bf.retry = ALP_RPOL_ONESHOT, .cfg.addressee.ctrl.bf.nls = D7A_NLS_AES_CCM_64, // Security level .cfg.addressee.ctrl.bf.idf = D7A_ID_NBID, .cfg.addressee.xcl.bf = {.s = 2, .m = 0x1}, // Gateway access class .cfg.addressee.id[0] = D7A_CTF_ENCODE(4), }; // Interrupt Service Routine on button press. void button_push_isr( void ) { button_user.release(); } // Upload thread void button_user_thread() { osEvent evt; output_file_t* output; uint32_t sent = 0; int err; alp_payload_t* alp; alp_payload_t* rsp; PRINT("Register Files\n"); ram_fs_new(FID_OUTPUT_FILE, (uint8_t*)&h_output_file, (uint8_t*)&f_output_file); ram_fs_new(FID_INPUT_FILE, (uint8_t*)&h_input_file, (uint8_t*)&f_input_file); modem_declare_file(FID_OUTPUT_FILE, (alp_file_header_t*)&h_output_file); modem_declare_file(FID_INPUT_FILE, (alp_file_header_t*)&h_input_file); PRINT("Enable D7A interface\n"); modem_d7a_enable_itf(); // Host revision file is in the modem. Update it. PRINT("Update host revision\n"); modem_write_file(FID_HOST_REV, &f_rev, 0, sizeof(revision_t)); // Retrieve modem revision PRINT("Send revision\n"); revision_t rev; modem_read_file(FID_WM_REV, &rev, 0, sizeof(revision_t)); // Send both to the server // Build payload alp = NULL; alp = alp_payload_rsp_f_data(alp, FID_WM_REV, &rev, 0, sizeof(revision_t)); alp = alp_payload_rsp_f_data(alp, FID_HOST_REV, &f_rev, 0, sizeof(revision_t)); // Send modem_remote_raw_alp((void*)&report_itf, alp, NULL, 10000); // Directly get data pointer to avoid reading file output = (output_file_t*)ram_fs_get_data(FID_OUTPUT_FILE); // Update file CRC (Calculate CRC on string without end of string) output->crc = crc32((char*)output->data, strlen((char*)output->data)); while (true) { Timer tim; bool is_ok; uint32_t output_length = strlen((char*)output->data) + 1; // +1 as data is a string, send end of string // Wait for button press PRINT("Press user button to send file. (%d bytes)\n", output_length); button_user.acquire(); // Update file CRC (Calculate CRC on string without end of string) output->crc = crc32((char*)output->data, output_length - 1); sent = 0; tim.start(); // Send chunks while (sent < output_length) { is_ok = false; uint32_t chunk_size = min_u32(CHUNK_SIZE, output_length - sent); uint32_t chunk_offset = sent; PRINT("Sending chunk %4d/%4d (%3d bytes)... ", chunk_offset, output_length, chunk_size); FLUSH(); // Build payload alp = NULL; alp = alp_payload_rsp_f_data(alp, FID_OUTPUT_FILE, &(output->data[chunk_offset]), chunk_offset, chunk_size); // Send err = modem_remote_raw_alp((void*)&report_itf, alp, &rsp, 60000); if (ALP_ERR_UNKNOWN == err) { PRINT("TIMEOUT.\n"); } else { err = alp_payload_get_err(rsp); if (ALP_ERR_NONE <= err) { sent += chunk_size; is_ok = true; PRINT("OK.\n"); } else { modem_print_error(report_itf.type, err); } } alp_payload_free(rsp); } double time_s = tim.read(); if (sent) { PRINT("%d bytes sent in %.3fs (%d B/s)\n", sent, time_s, (int)((double)sent/time_s)); } if (is_ok) { // Send CRC PRINT("Sendind CRC 0x%08X... ", output->crc); alp = NULL; alp = alp_payload_rsp_f_data(alp, FID_OUTPUT_FILE, &(output->crc), offsetof(output_file_t, crc), sizeof_field(output_file_t, crc)); // Send err = modem_remote_raw_alp((void*)&report_itf, alp, &rsp, 60000); if (ALP_ERR_UNKNOWN == err) { PRINT("TIMEOUT.\n"); } else { err = alp_payload_get_err(rsp); if (ALP_ERR_NONE <= err) { PRINT("OK.\n"); } else { modem_print_error(report_itf.type, err); } } alp_payload_free(rsp); } } } void thread_file_modified() { touch_t* touch; osEvent evt; uint8_t chunk[CHUNK_SIZE]; int err; alp_payload_t* alp; while (true) { evt = g_file_modified.get(); touch = (evt.status == osEventMessage)? (touch_t*)evt.value.p : NULL; ASSERT(touch != NULL, "NULL touch pointer!\n"); switch (touch->fid) { case FID_OUTPUT_FILE: output_file_t* output; uint32_t output_length; // Directly get data pointer to avoid reading file output = (output_file_t*)ram_fs_get_data(FID_OUTPUT_FILE); output_length = strlen((char*)output->data); // Update file CRC (Calculate CRC on string without end of string) output->crc = crc32((char*)output->data, output_length); PRINT("NEW OUTPUT CRC 0x%08X (on %d bytes)\n", output->crc, output_length); break; case FID_INPUT_FILE: input_file_t* input; uint32_t input_length; uint32_t crc; // Directly get data pointer to avoid reading file input = (input_file_t*)ram_fs_get_data(FID_INPUT_FILE); input_length = strlen((char*)input->data); // Calculate CRC crc = crc32((char*)input->data, input_length); // Check if CRC has been updated if ((offsetof(input_file_t, crc) == touch->offset) && (sizeof_field(input_file_t, crc) == touch->length)) { PRINT("INPUT CRC 0x%08X CRC 0x%08X (on %d bytes)\n", input->crc, crc, input_length); if (input->crc != crc) { // delete CRC input->crc = 0; } // Send CRC as confirmation PRINT("COMFIRM CRC 0x%08X\n", input->crc); alp = NULL; alp = alp_payload_rsp_f_data(alp, FID_INPUT_FILE, &(input->crc), offsetof(input_file_t, crc), sizeof_field(input_file_t, crc)); // Send err = modem_remote_raw_alp((void*)&report_itf, alp, NULL, 3000); if (ALP_ERR_NONE <= err) { PRINT("OK.\n"); } else { modem_print_error(report_itf.type, err); } } else { PRINT("Got chunk %4d/%4d (%3d bytes)\n", touch->offset, sizeof_field(input_file_t, data), touch->length); ram_fs_read(touch->fid, chunk, touch->offset, touch->length); //PRINT("%s\n", chunk); //PRINT_DATA("chunk end:", "%02X", &(chunk[touch->length-4]), 4, "\n"); PRINT("NEW INPUT CRC 0x%08X (on %d bytes)\n", crc, input_length); } break; default: PRINT("TOUCH FID %d OFF %d LEN %d\n", touch->fid, touch->offset, touch->length); break; } FREE(touch); } } modem_ref_callbacks_t callbacks = { .read = my_read, .write = my_write, .read_fprop = my_read_fprop, .flush = my_flush, .remove = my_delete, .udata = my_udata, .lqual = my_lqual, .ldown = my_ldown, .reset = my_reset, .boot = my_boot, .busy = my_busy, }; /*** Main function ------------------------------------------------------------- ***/ int main() { // Start & initialize #ifdef DEBUG_LED DBG_OPEN(DEBUG_LED); #else DBG_OPEN(NC); #endif PRINT("\n" "-----------------------------------------\n" "------------- Demo Big File -------------\n" "-----------------------------------------\n"); modem_open(&callbacks); // Start file modified thread Thread th_file_modified(osPriorityNormal, 4096, NULL); osStatus status = th_file_modified.start(thread_file_modified); ASSERT(status == osOK, "Failed to start thread_file_modified (err: %d)\r\n", status); #ifdef DEBUG_BUTTON DebouncedInterrupt user_interrupt(DEBUG_BUTTON); user_interrupt.attach(button_push_isr, IRQ_FALL, 500, true); Thread but_th(osPriorityNormal, 4096, NULL); status = but_th.start(button_user_thread); ASSERT(status == osOK, "Failed to start but thread (err: %d)\r\n", status); #else #error You need a button to use this APP as is #endif #ifdef DEBUG_LED DigitalOut my_led(DEBUG_LED); #endif // Set main task to lowest priority osThreadSetPriority(osThreadGetId(), osPriorityLow); while(true) { ThisThread::sleep_for(500); #ifdef DEBUG_LED my_led = !my_led; #endif } }