Diff: LPC4088-USBHost/USBHost/BaseUsbHostLib.cpp

Revision:

1:26a4baad1736

Parent:

0:11152e69fc05

--- a/LPC4088-USBHost/USBHost/BaseUsbHostLib.cpp	Tue Apr 22 10:54:52 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-// BaseUsbHostLib.cpp 2014/4/22
-#include "USBHost.h"
-//#define DEBUG
-#include "BaseUsbHostDebug.h"
-#define TEST
-#include "BaseUsbHostTest.h"
-
-//#define DBG_USE_POSIX_MEMALIGN
-
-#ifdef DBG_USE_POSIX_MEMALIGN
-void* usb_ram_malloc(size_t size, int aligment)
-{
-    TEST_ASSERT(aligment >= 4);
-    TEST_ASSERT(!(aligment & 3));
-    void* p;
-    if (posix_memalign(&p, aligment, size) == 0) {
-        return p;
-    }
-    return NULL;
-}
-
-void usb_ram_free(void* p)
-{
-    free(p);
-}
-#else
-
-#define CHUNK_SIZE 64
-
-#if defined(TARGET_LPC1768)
-#define USB_RAM_BASE 0x2007C000
-#define USB_RAM_SIZE 0x4000
-#define BLOCK_COUNT (USB_RAM_SIZE/CHUNK_SIZE)
-#elif defined(TARGET_LPC4088)
-#define USB_RAM_BASE 0x20000000
-#define USB_RAM_SIZE 0x4000
-#define BLOCK_COUNT (USB_RAM_SIZE/CHUNK_SIZE)
-#else
-#error "target error"
-#endif
-
-static uint8_t* ram = NULL;
-static uint8_t* map;
-
-static void usb_ram_init()
-{
-    USB_INFO("USB_RAM: 0x%p(%d)", USB_RAM_BASE, USB_RAM_SIZE);
-    ram = (uint8_t*)USB_RAM_BASE;
-    TEST_ASSERT((int)ram%256 == 0);
-    map = (uint8_t*)malloc(BLOCK_COUNT);
-    TEST_ASSERT(map);
-    memset(map, 0, BLOCK_COUNT);
-}
-
-// first fit malloc
-void* usb_ram_malloc(size_t size, int aligment)
-{
-    TEST_ASSERT(aligment >= 4);
-    TEST_ASSERT(!(aligment & 3));
-    if (ram == NULL) {
-        usb_ram_init();
-    }
-    int needs = (size+CHUNK_SIZE-1)/CHUNK_SIZE;
-    void* p = NULL;
-    for(int idx = 0; idx < BLOCK_COUNT;) {
-        bool found = true;
-        for(int i = 0; i < needs; i++) {
-            int block = map[idx + i];
-            if (block != 0) {
-                idx += block;
-                found = false;
-                break;
-            }
-        }
-        if (!found) {
-            continue;
-        }
-        p = ram+idx*CHUNK_SIZE;
-        if ((int)p % aligment) {
-            idx++;
-            continue;
-        }
-        TEST_ASSERT((idx + needs) <= BLOCK_COUNT);
-        for(int i = 0; i < needs; i++) {
-            map[idx + i] = needs - i;
-        }
-        break;
-    }
-    TEST_ASSERT(p);
-    return p;
-}
-
-void usb_ram_free(void* p)
-{
-    TEST_ASSERT(p >= ram);
-    TEST_ASSERT(p < (ram+CHUNK_SIZE*BLOCK_COUNT));
-    int idx = ((int)p-(int)ram)/CHUNK_SIZE;
-    int block = map[idx];
-    TEST_ASSERT(block >= 1);
-    for(int i =0; i < block; i++) {
-        map[idx + i] = 0;
-    }
-}
-
-#endif // DBG_USE_POSIX_MEMALIGN
-
-