main.cpp

00001 #include "mbed.h"
00002 #include "SakuraIO.h"
00003 
00004 Serial pc(USBTX, USBRX);
00005 DigitalOut myled(LED1);
00006 LocalFileSystem local("local");
00007 
00008 void rx_interrupt();
00009 void err2str(int err);
00010 
00011 int main()
00012 {
00013     FILE *fp ;
00014     pc.baud(115200);
00015     fp = fopen("/local/file.bin", "wb");
00016     if (fp == NULL) {
00017         pc.printf("error: fp is null\r\n");
00018     }
00019 
00020     I2C i2c(p9, p10);
00021     SakuraIO_I2C sakuraio(i2c);
00022 
00023     pc.printf("waiting to come online");
00024     for (;;) {
00025         if ((sakuraio.getConnectionStatus() & 0x80) == 0x80)
00026             break;
00027         pc.printf(".");
00028         wait_ms(1000);
00029     }
00030     pc.printf("ok\r\n");
00031 
00032     uint8_t status = 0;
00033     while (status != 1) {
00034         status = sakuraio.startFileDownload(1);
00035         pc.printf("file req result: %d\r\n", status);
00036         if (status != CMD_ERROR_NONE) {
00037             err2str(status);
00038             pc.printf("\r\n");
00039         }
00040         wait_ms(100);
00041         pc.printf("cancel\r\n");
00042         uint8_t cancel_result = sakuraio.cancelFileDownload();
00043         err2str(cancel_result);
00044         pc.printf("\r\n");
00045         wait_ms(100);
00046     }
00047 
00048 
00049 
00050     uint32_t received_size = 0;
00051 
00052     uint8_t file_status = 0;
00053     uint32_t file_total_size = 0, file_crc32 = 0;
00054     uint64_t file_timestamp = 0;
00055     while(file_status == 0) {
00056 
00057         sakuraio.getFileMetaData(&file_status, &file_total_size, &file_timestamp, &file_crc32);
00058 
00059         pc.printf("metadata status: %d filesize: %d crc32: %08x\r\n", file_status, file_total_size, file_crc32);
00060 
00061         pc.printf("date ");
00062         for (int i = 0; i < 8; i++) {
00063             pc.printf("%02x ", ((uint8_t *)&file_timestamp)[i]);
00064         }
00065         pc.printf("\r\n");
00066         wait(1);
00067     }
00068 
00069     while (1) {
00070         status = 0;
00071         uint32_t s = 0;
00072         uint8_t a = sakuraio.getFileDownloadStatus(&status, &s);
00073         pc.printf("result: ");
00074         err2str(a);
00075         pc.printf("status %d size %d\r\n", status, s);
00076         wait_ms(500);
00077 
00078         uint8_t buf[255] = {0};
00079         uint8_t len = 251; // request size
00080         uint8_t fileget = sakuraio.getFileData(&len, buf);
00081 //        if (fileget != cmd_error_none) {
00082 //            pc.printf("download waiting...\r\n");
00083 //            wait_ms(1000);
00084 //            continue;
00085 //            //break;
00086 //        }
00087 
00088         pc.printf("file get ");
00089         err2str(fileget);
00090         if (fileget != 1) {
00091             pc.printf("error: get_data returned invalid status\r\n");
00092             while(1) {
00093                 wait(1);
00094             }
00095         }
00096         pc.printf("len %d\r\n", len);
00097         received_size += len;
00098         pc.printf("received %08x\r\n", len);
00099         for (int i = 0; i < len; i++) {
00100             pc.printf("%02x ", buf[i]);
00101         }
00102         fwrite(buf, len, 1, fp);
00103         pc.printf("\r\n");
00104         pc.printf("%d / %d (%f%%)\r\n", received_size, file_total_size, ((double)received_size / file_total_size) * 100);
00105         if (received_size >= file_total_size) {
00106             break;
00107         }
00108         wait_ms(100);
00109     }
00110     fclose(fp);
00111     pc.printf("download complete!\r\n");
00112 
00113     // block
00114     while (1)
00115         ;
00116 }
00117 
00118 void err2str(int err)
00119 {
00120     switch (err) {
00121         case CMD_ERROR_NONE:
00122             printf("no error.");
00123             break;
00124         case CMD_ERROR_PARITY:
00125             printf("parity error.");
00126             break;
00127         case CMD_ERROR_MISSING:
00128             printf("command missing.");
00129             break;
00130         case CMD_ERROR_INVALID_SYNTAX:
00131             printf("invalid syntax.");
00132             break;
00133         case CMD_ERROR_RUNTIME:
00134             printf("runtime error.");
00135             break;
00136         case CMD_ERROR_LOCKED:
00137             printf("command locked.");
00138             break;
00139         case CMD_ERROR_BUSY:
00140             printf("busy.");
00141             break;
00142     }
00143 }