Add some utils for FTDI interface.

Brightorange90 · Jun 20, 2015 · 0fb8c2b · 0fb8c2b
1 parent f9560f6
commit 0fb8c2b
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Showing 10 changed files with 845 additions and 38 deletions.
diff --git a/ftdi_async_bridge/sw/dump.c b/ftdi_async_bridge/sw/dump.c
@@ -0,0 +1,130 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "ftdi_hw.h"
+
+//-----------------------------------------------------------------
+// Defines:
+//-----------------------------------------------------------------
+#define CHUNK_SIZE          256
+#define DEFAULT_FTDI_IFACE  1
+
+//-----------------------------------------------------------------
+// download
+//-----------------------------------------------------------------
+static int download(FILE *f, uint32_t addr, int length)
+{
+    uint8_t buf[CHUNK_SIZE];
+    int err = 0;
+    int i;
+    int size;
+
+    for (i=0;i<length;i+=CHUNK_SIZE)
+    {
+        size = (length - i);
+        if (size > CHUNK_SIZE)
+            size = CHUNK_SIZE;
+
+        if (ftdi_hw_mem_read(addr, buf, size) != size)
+        {
+            fprintf(stderr, "Download: Error downloading file\n");
+            err = 1;
+            break;
+        }
+
+        if (fwrite(buf, 1, size, f) != size)
+        {
+            fprintf(stderr, "Download: Error writing file\n");
+            err = 1;
+            break;
+        }
+
+        addr += CHUNK_SIZE;
+
+        printf("\r%d%%", (i * 100) / length);
+        fflush(stdout);
+    }
+
+    return err;
+}
+//-----------------------------------------------------------------
+// main
+//-----------------------------------------------------------------
+int main(int argc, char *argv[])
+{
+    int c;
+    int size = -1;
+    char *filename = NULL;
+    int help = 0;
+    int err = 1;
+    uint32_t address = 0x0;
+    int ftdi_iface = DEFAULT_FTDI_IFACE;
+    FILE *f = NULL;
+
+    while ((c = getopt (argc, argv, "o:s:a:i:")) != -1)
+    {
+        switch(c)
+        {
+            case 'o':
+                 filename = optarg;
+                 break;
+            case 's':
+                 size = (int)strtol(optarg, NULL, 0);
+                 break;
+            case 'a':
+                address = strtoul(optarg, NULL, 0);
+                break;
+            case 'i':
+                 ftdi_iface = (int)strtol(optarg, NULL, 0);
+                 break;                
+            default:
+                help = 1;   
+                break;
+        }
+    }
+
+    if (help || filename == NULL || size < 0)
+    {
+        fprintf (stderr,"Usage:\n");
+        fprintf (stderr,"-o filename.bin   = Output filename\n");
+        fprintf (stderr,"-s n              = Size to dump\n");
+        fprintf (stderr,"-a 0xnnnn         = Address to dump from (default to 0x0)\n");
+        fprintf (stderr,"-i id             = FTDI interface ID (0 = A, 1 = B)\n");
+
+        exit(-1);
+    }
+
+    // Try and communicate with FTDI interface
+    if (ftdi_hw_init(ftdi_iface) != 0)
+    {
+        fprintf(stderr, "ERROR: Could not open FTDI interface, try SUDOing / check connection\n");
+        exit(-2);
+    }
+
+    // Try and create new file
+    f = fopen(filename, "wb");
+    if (f)
+    {
+        printf("Downloading %s (%dKB) from 0x%x:\n", filename, (size + 1023) / 1024, address);
+
+        err = download(f, address, size);
+
+        if (!err)
+            printf("\rDone!\n");
+        else
+            printf("\rFailed!\n");
+
+        fclose(f);
+        f = NULL;
+    }
+    else
+    {
+        fprintf (stderr,"Error: Could not create file\n");
+        err = 1;
+    }
+
+    ftdi_hw_close();
+
+    return err;
+}
diff --git a/ftdi_async_bridge/sw/gpio_read.c b/ftdi_async_bridge/sw/gpio_read.c
@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "ftdi_hw.h"
+
+//-----------------------------------------------------------------
+// Defines:
+//-----------------------------------------------------------------
+#define DEFAULT_FTDI_IFACE  1
+
+//-----------------------------------------------------------------
+// main:
+//-----------------------------------------------------------------
+int main(int argc, char *argv[])
+{
+    int err = 0;
+    int c;
+    int help = 0;
+    int ftdi_iface = DEFAULT_FTDI_IFACE;
+    uint8_t value = 0;
+    int quiet = 0;
+
+    while ((c = getopt (argc, argv, "i:q")) != -1)
+    {
+        switch(c)
+        {
+            case 'i':
+                 ftdi_iface = (int)strtol(optarg, NULL, 0);
+                 break;
+            case 'q':
+                quiet = 1;
+                break;
+            default:
+                help = 1;
+                break;
+        }
+    }
+
+    if (help)
+    {
+        fprintf (stderr,"Usage:\n");
+        fprintf (stderr,"-v 0xNN           = Data to write\n");
+        fprintf (stderr,"-i id             = FTDI interface ID (0 = A, 1 = B)\n");
+        fprintf (stderr,"-q                = Quiet mode (data returned via return value)\n");
+
+        exit(-1);
+    }
+
+    // Try and communicate with FTDI interface
+    if (ftdi_hw_init(ftdi_iface) != 0)
+    {
+        fprintf(stderr, "ERROR: Could not open FTDI interface, try SUDOing / check connection\n");
+        exit(-2);
+    }
+
+    if (ftdi_hw_gpio_read(&value) != 0)
+    {
+        fprintf(stderr, "ERROR: Could not read from device\n");
+        err = 1;
+    }
+
+    if (!quiet) 
+    {
+        printf("Read 0x%x from GPIO\n", value);
+        value = 0;
+    }
+
+    ftdi_hw_close();
+
+    return err ? -1 : value;
+}
diff --git a/ftdi_async_bridge/sw/gpio_write.c b/ftdi_async_bridge/sw/gpio_write.c
@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "ftdi_hw.h"
+
+//-----------------------------------------------------------------
+// Defines:
+//-----------------------------------------------------------------
+#define DEFAULT_FTDI_IFACE  1
+
+//-----------------------------------------------------------------
+// main:
+//-----------------------------------------------------------------
+int main(int argc, char *argv[])
+{
+    int err = 0;
+    int c;
+    int help = 0;
+    int ftdi_iface = DEFAULT_FTDI_IFACE;
+    uint8_t value = 0;
+    int quiet = 0;
+
+    while ((c = getopt (argc, argv, "v:i:q")) != -1)
+    {
+        switch(c)
+        {
+            case 'v':
+                 value = (uint8_t)strtoul(optarg, NULL, 0);
+                 break;
+            case 'i':
+                 ftdi_iface = (int)strtol(optarg, NULL, 0);
+                 break;
+            case 'q':
+                quiet = 1;
+                break;
+            default:
+                help = 1;
+                break;
+        }
+    }
+
+    if (help)
+    {
+        fprintf (stderr,"Usage:\n");
+        fprintf (stderr,"-v 0xNN           = Data to write\n");
+        fprintf (stderr,"-i id             = FTDI interface ID (0 = A, 1 = B)\n");
+        fprintf (stderr,"-q                = Quiet mode\n");
+
+        exit(-1);
+    }
+
+    // Try and communicate with FTDI interface
+    if (ftdi_hw_init(ftdi_iface) != 0)
+    {
+        fprintf(stderr, "ERROR: Could not open FTDI interface, try SUDOing / check connection\n");
+        exit(-2);
+    }
+
+    if (!quiet) 
+        printf("Write 0x%x to GPIO\n", value);
+
+    if (ftdi_hw_gpio_write(value) != 0)
+    {
+        fprintf(stderr, "ERROR: Could not write to device\n");
+        err = 1;
+    }
+
+    ftdi_hw_close();
+
+    return err;
+}