STM32: USB: endpoint buffer must be 4-bytes aligned
[bertos.git] / bertos / cpu / cortex-m3 / drv / flash_lm3s.c
index 83f153f13d83695b05f4d5fa9697ba0f9425260c..281c2704c939ceb021fa86ae0bc2b4023624f4a0 100644 (file)
  */
 
 #include "flash_lm3s.h"
-#include "cfg/log.h"
+#include "cfg/cfg_emb_flash.h"
 
+// Define log settings for cfg/log.h
+#define LOG_LEVEL    CONFIG_FLASH_EMB_LOG_LEVEL
+#define LOG_FORMAT   CONFIG_FLASH_EMB_LOG_FORMAT
+#include <cfg/log.h>
 #include <cfg/macros.h>
 
 #include <io/kblock.h>
@@ -55,13 +59,13 @@ struct FlashHardware
        int status;
 };
 
-static bool flash_wait(struct KBlock *blk)
+static bool flash_wait(struct KBlock *blk, uint32_t event)
 {
        Flash *fls = FLASH_CAST(blk);
        ticks_t start = timer_clock();
        while (true)
        {
-               if (!(FLASH_FMC_R & FLASH_FMC_ERASE))
+               if (!(FLASH_FMC_R & event))
                        break;
 
                if (FLASH_FCRIS_R & FLASH_FCRIS_ARIS)
@@ -91,7 +95,7 @@ static int lm3s_erasePage(struct KBlock *blk, uint32_t addr)
        FLASH_FMA_R = (volatile uint32_t)addr;
        FLASH_FMC_R = FLASH_FMC_WRKEY | FLASH_FMC_ERASE;
 
-       return flash_wait(blk);
+       return flash_wait(blk, FLASH_FMC_ERASE);
 }
 
 static int lm3s_writeWord(struct KBlock *blk, uint32_t addr, uint32_t data)
@@ -102,15 +106,12 @@ static int lm3s_writeWord(struct KBlock *blk, uint32_t addr, uint32_t data)
        FLASH_FMD_R = (volatile uint32_t)data;
        FLASH_FMC_R = FLASH_FMC_WRKEY | FLASH_FMC_WRITE;
 
-       return flash_wait(blk);
+       return flash_wait(blk, FLASH_FMC_WRITE);
 }
 
 static size_t lm3s_flash_readDirect(struct KBlock *blk, block_idx_t idx, void *buf, size_t offset, size_t size)
 {
-       ASSERT(offest == 0);
-       ASSERT(size == blk->blk_size);
-
-       memcpy(buf, (void *)(idx * blk->blk_size), size);
+       memcpy(buf, (void *)(idx * blk->blk_size + offset), size);
        return size;
 }
 
@@ -165,6 +166,8 @@ static const KBlockVTable flash_lm3s_buffered_vt =
        .load = kblock_swLoad,
        .store = kblock_swStore,
 
+       .close = kblock_swClose,
+
        .error = lm3s_flash_error,
        .clearerr = lm3s_flash_clearerror,
 };
@@ -174,6 +177,8 @@ static const KBlockVTable flash_lm3s_unbuffered_vt =
        .readDirect = lm3s_flash_readDirect,
        .writeDirect = lm3s_flash_writeDirect,
 
+       .close = kblock_swClose,
+
        .error = lm3s_flash_error,
        .clearerr = lm3s_flash_clearerror,
 };
@@ -195,18 +200,23 @@ static void common_init(Flash *fls)
 }
 
 
-void flash_hw_init(Flash *fls)
+void flash_hw_init(Flash *fls, int flags)
 {
        common_init(fls);
        fls->blk.priv.vt = &flash_lm3s_buffered_vt;
-       fls->blk.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE;
+       fls->blk.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE | flags;
        fls->blk.priv.buf = flash_buf;
+
+       /* Load the first block in the cache */
+       void *flash_start = 0x0;
+       memcpy(fls->blk.priv.buf, flash_start, fls->blk.blk_size);
 }
 
-void flash_hw_initUnbuffered(Flash *fls)
+void flash_hw_initUnbuffered(Flash *fls, int flags)
 {
        common_init(fls);
        fls->blk.priv.vt = &flash_lm3s_unbuffered_vt;
+       fls->blk.priv.flags |= flags;
 }