Diff: main.cpp

Revision:

0:a5e8e3df9f1d

diff -r 000000000000 -r a5e8e3df9f1d main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 21 05:07:42 2018 +0000
@@ -0,0 +1,143 @@
+#include "mbed.h"
+#include "SakuraIO.h"
+
+Serial pc(USBTX, USBRX);
+DigitalOut myled(LED1);
+LocalFileSystem local("local");
+
+void rx_interrupt();
+void err2str(int err);
+
+int main()
+{
+    FILE *fp ;
+    pc.baud(115200);
+    fp = fopen("/local/file.bin", "wb");
+    if (fp == NULL) {
+        pc.printf("error: fp is null\r\n");
+    }
+
+    I2C i2c(p9, p10);
+    SakuraIO_I2C sakuraio(i2c);
+
+    pc.printf("waiting to come online");
+    for (;;) {
+        if ((sakuraio.getConnectionStatus() & 0x80) == 0x80)
+            break;
+        pc.printf(".");
+        wait_ms(1000);
+    }
+    pc.printf("ok\r\n");
+
+    uint8_t status = 0;
+    while (status != 1) {
+        status = sakuraio.startFileDownload(1);
+        pc.printf("file req result: %d\r\n", status);
+        if (status != CMD_ERROR_NONE) {
+            err2str(status);
+            pc.printf("\r\n");
+        }
+        wait_ms(100);
+        pc.printf("cancel\r\n");
+        uint8_t cancel_result = sakuraio.cancelFileDownload();
+        err2str(cancel_result);
+        pc.printf("\r\n");
+        wait_ms(100);
+    }
+
+
+
+    uint32_t received_size = 0;
+
+    uint8_t file_status = 0;
+    uint32_t file_total_size = 0, file_crc32 = 0;
+    uint64_t file_timestamp = 0;
+    while(file_status == 0) {
+
+        sakuraio.getFileMetaData(&file_status, &file_total_size, &file_timestamp, &file_crc32);
+
+        pc.printf("metadata status: %d filesize: %d crc32: %08x\r\n", file_status, file_total_size, file_crc32);
+
+        pc.printf("date ");
+        for (int i = 0; i < 8; i++) {
+            pc.printf("%02x ", ((uint8_t *)&file_timestamp)[i]);
+        }
+        pc.printf("\r\n");
+        wait(1);
+    }
+
+    while (1) {
+        status = 0;
+        uint32_t s = 0;
+        uint8_t a = sakuraio.getFileDownloadStatus(&status, &s);
+        pc.printf("result: ");
+        err2str(a);
+        pc.printf("status %d size %d\r\n", status, s);
+        wait_ms(500);
+
+        uint8_t buf[255] = {0};
+        uint8_t len = 251; // request size
+        uint8_t fileget = sakuraio.getFileData(&len, buf);
+//        if (fileget != cmd_error_none) {
+//            pc.printf("download waiting...\r\n");
+//            wait_ms(1000);
+//            continue;
+//            //break;
+//        }
+
+        pc.printf("file get ");
+        err2str(fileget);
+        if (fileget != 1) {
+            pc.printf("error: get_data returned invalid status\r\n");
+            while(1) {
+                wait(1);
+            }
+        }
+        pc.printf("len %d\r\n", len);
+        received_size += len;
+        pc.printf("received %08x\r\n", len);
+        for (int i = 0; i < len; i++) {
+            pc.printf("%02x ", buf[i]);
+        }
+        fwrite(buf, len, 1, fp);
+        pc.printf("\r\n");
+        pc.printf("%d / %d (%f%%)\r\n", received_size, file_total_size, ((double)received_size / file_total_size) * 100);
+        if (received_size >= file_total_size) {
+            break;
+        }
+        wait_ms(100);
+    }
+    fclose(fp);
+    pc.printf("download complete!\r\n");
+
+    // block
+    while (1)
+        ;
+}
+
+void err2str(int err)
+{
+    switch (err) {
+        case CMD_ERROR_NONE:
+            printf("no error.");
+            break;
+        case CMD_ERROR_PARITY:
+            printf("parity error.");
+            break;
+        case CMD_ERROR_MISSING:
+            printf("command missing.");
+            break;
+        case CMD_ERROR_INVALID_SYNTAX:
+            printf("invalid syntax.");
+            break;
+        case CMD_ERROR_RUNTIME:
+            printf("runtime error.");
+            break;
+        case CMD_ERROR_LOCKED:
+            printf("command locked.");
+            break;
+        case CMD_ERROR_BUSY:
+            printf("busy.");
+            break;
+    }
+}
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