|
@@ -0,0 +1,184 @@
|
|
|
+/*
|
|
|
+ * Copyright (c) 2006-2018, RT-Thread Development Team
|
|
|
+ *
|
|
|
+ * SPDX-License-Identifier: Apache-2.0
|
|
|
+ *
|
|
|
+ * Change Logs:
|
|
|
+ * Date Author Notes
|
|
|
+ * 2020-04-29 supperthomas first version
|
|
|
+ */
|
|
|
+
|
|
|
+#include "board.h"
|
|
|
+#include <nrfx.h>
|
|
|
+#include "nrfx_nvmc.h"
|
|
|
+
|
|
|
+#ifdef BSP_USING_ON_CHIP_FLASH
|
|
|
+//#include "drv_config.h"
|
|
|
+#include "drv_flash.h"
|
|
|
+
|
|
|
+#if defined(PKG_USING_FAL)
|
|
|
+#include "fal.h"
|
|
|
+#endif
|
|
|
+
|
|
|
+#include <rtdbg.h>
|
|
|
+#define LOG_TAG "drv.flash"
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Gets the page of a given address
|
|
|
+ * @param Addr: Address of the FLASH Memory
|
|
|
+ * @retval The page of a given address
|
|
|
+ */
|
|
|
+static uint32_t GetPage(uint32_t Addr)
|
|
|
+{
|
|
|
+ uint32_t page = 0;
|
|
|
+ if (Addr < (MCU_FLASH_START_ADDRESS + MCU_FLASH_SIZE))
|
|
|
+ {
|
|
|
+ page = (Addr - MCU_FLASH_START_ADDRESS) / MCU_FLASH_PAGE_SIZE;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ return 0xffffffff;
|
|
|
+ }
|
|
|
+ return page;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * Read data from flash.
|
|
|
+ * @note This operation's units is word.
|
|
|
+ *
|
|
|
+ * @param addr flash address
|
|
|
+ * @param buf buffer to store read data
|
|
|
+ * @param size read bytes size
|
|
|
+ *
|
|
|
+ * @return result
|
|
|
+ */
|
|
|
+int mcu_flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size)
|
|
|
+{
|
|
|
+
|
|
|
+ size_t i;
|
|
|
+
|
|
|
+ if ((addr + size) > MCU_FLASH_END_ADDRESS)
|
|
|
+ {
|
|
|
+ LOG_E("read outrange flash size! addr is (0x%p)", (void *)(addr + size));
|
|
|
+ return -RT_EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (i = 0; i < size; i++, buf++, addr++)
|
|
|
+ {
|
|
|
+ *buf = *(rt_uint8_t *) addr;
|
|
|
+ }
|
|
|
+
|
|
|
+ return size;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Write data to flash.
|
|
|
+ * @note This operation's units is word.
|
|
|
+ * @note This operation must after erase. @see flash_erase.
|
|
|
+ *
|
|
|
+ * @param addr flash address
|
|
|
+ * @param buf the write data buffer
|
|
|
+ * @param size write bytes size
|
|
|
+ *
|
|
|
+ * @return result
|
|
|
+ */
|
|
|
+int mcu_flash_write(rt_uint32_t addr, const uint8_t *buf, size_t size)
|
|
|
+{
|
|
|
+ if ((addr + size) > MCU_FLASH_END_ADDRESS)
|
|
|
+ {
|
|
|
+ LOG_E("ERROR: write outrange flash size! addr is (0x%p)\n", (void *)(addr + size));
|
|
|
+ return -RT_EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ if (addr % 4 != 0)
|
|
|
+ {
|
|
|
+ LOG_E("write addr should be 4-byte alignment");
|
|
|
+ //4byte write
|
|
|
+ //else byts
|
|
|
+ return -RT_EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (size < 1)
|
|
|
+ {
|
|
|
+ return -RT_ERROR;
|
|
|
+ }
|
|
|
+ if (size % 4 != 0)
|
|
|
+ {
|
|
|
+ nrfx_nvmc_bytes_write(addr, buf, size);
|
|
|
+ return size;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ nrfx_nvmc_words_write(addr, buf, size / 4);
|
|
|
+ return size;
|
|
|
+ }
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Erase data on flash.
|
|
|
+ * @note This operation is irreversible.
|
|
|
+ * @note This operation's units is different which on many chips.
|
|
|
+ *
|
|
|
+ * @param addr flash address
|
|
|
+ * @param size erase bytes size
|
|
|
+ *
|
|
|
+ * @return result
|
|
|
+ */
|
|
|
+int mcu_flash_erase(rt_uint32_t addr, size_t size)
|
|
|
+{
|
|
|
+ nrfx_err_t result = RT_EOK;
|
|
|
+
|
|
|
+ uint32_t FirstPage = 0, NbOfPages = 0;
|
|
|
+
|
|
|
+ if ((addr + size) > MCU_FLASH_END_ADDRESS)
|
|
|
+ {
|
|
|
+ LOG_E("ERROR: erase outrange flash size! addr is (0x%p)\n", (void *)(addr + size));
|
|
|
+ return -RT_EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ FirstPage = GetPage(addr);
|
|
|
+ NbOfPages = GetPage(addr + size - 1) - FirstPage + 1;
|
|
|
+
|
|
|
+ for (int i = 0; i < NbOfPages ; i++)
|
|
|
+ {
|
|
|
+ result = nrfx_nvmc_page_erase((FirstPage + i) * MCU_FLASH_PAGE_SIZE);
|
|
|
+ if (NRFX_SUCCESS != result)
|
|
|
+ {
|
|
|
+ LOG_E("ERROR: erase flash page %d ! error code is (%x)\n", FirstPage + i, result);
|
|
|
+ return -RT_EINVAL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ LOG_D("erase done: addr (0x%p), size %d", (void *)addr, NbOfPages * MCU_FLASH_PAGE_SIZE);
|
|
|
+ return size;
|
|
|
+}
|
|
|
+
|
|
|
+#if defined(PKG_USING_FAL)
|
|
|
+
|
|
|
+static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);
|
|
|
+static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size);
|
|
|
+static int fal_flash_erase(long offset, size_t size);
|
|
|
+
|
|
|
+const struct fal_flash_dev mcu_onchip_flash = {"mcu_onchip", MCU_FLASH_START_ADDRESS, MCU_FLASH_SIZE, MCU_FLASH_PAGE_SIZE, {NULL, fal_flash_read, fal_flash_write, fal_flash_erase} };
|
|
|
+
|
|
|
+static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size)
|
|
|
+{
|
|
|
+ return mcu_flash_read(mcu_onchip_flash.addr + offset, buf, size);
|
|
|
+}
|
|
|
+
|
|
|
+static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size)
|
|
|
+{
|
|
|
+ return mcu_flash_write(mcu_onchip_flash.addr + offset, buf, size);
|
|
|
+}
|
|
|
+
|
|
|
+static int fal_flash_erase(long offset, size_t size)
|
|
|
+{
|
|
|
+ return mcu_flash_erase(mcu_onchip_flash.addr + offset, size);
|
|
|
+}
|
|
|
+
|
|
|
+#endif
|
|
|
+#endif /* BSP_USING_ON_CHIP_FLASH */
|