[参考译文] MSPM0G3507：持久存储

好吧、更荒谬的是、当我采用 flashctl 多大小写入示例并在循环中添加32位写入时、它绝不会降落、

返回的代码*3*不是枚举项之一。

#include "ti_msp_dl_config.h"
#include <stdio.h>
#include <string.h>


/* Address in main memory to write to */
#define MAIN_BASE_ADDRESS (0x00001000)

/* 8-bit data to write to flash */
uint8_t gData8 = 0x11;

/* 16-bit data to write to flash */
uint16_t gData16 = 0x2222;

/* 32-bit data to write to flash */
uint32_t gData32 = 0x33333333;

/* Array to write 64-bits to flash */
uint32_t gDataArray64[] = {0xABCDEF00, 0x12345678};

volatile DL_FLASHCTL_COMMAND_STATUS gCmdStatus;

/* Codes to understand where error occured */
#define NO_ERROR 0
#define ERROR_ERASE 1
#define ERROR_8BIT_W 2
#define ERROR_16BIT_W 3
#define ERROR_32BIT_W 4
#define ERROR_64BIT_W 5

volatile uint8_t gErrorType = NO_ERROR;

// place to store the variables
uint8_t Recall8;
uint16_t Recall16;
uint32_t Recall32;

int main(void) {

  SYSCFG_DL_init();

  // Check the Memory
  Recall8 = *(uint8_t *)(MAIN_BASE_ADDRESS);
  Recall16 = *(uint16_t *)(MAIN_BASE_ADDRESS + 8);
  Recall32 = *(uint32_t *)(MAIN_BASE_ADDRESS + 16);

  /* Unprotect sector in main memory with ECC generated by hardware */
  DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                              DL_FLASHCTL_REGION_SELECT_MAIN);
  /* Erase sector in main memory */
  gCmdStatus = DL_FlashCTL_eraseMemoryFromRAM(FLASHCTL, MAIN_BASE_ADDRESS,
                                              DL_FLASHCTL_COMMAND_SIZE_SECTOR);
  if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
    /* If command was not successful, set error flag */
    gErrorType = ERROR_ERASE;
  }

  if (gErrorType == NO_ERROR) {
    /* 8-bit write to flash in main memory */
    DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                                DL_FLASHCTL_REGION_SELECT_MAIN);
    gCmdStatus = DL_FlashCTL_programMemoryFromRAM8WithECCGenerated(
        FLASHCTL, MAIN_BASE_ADDRESS, &gData8);
    if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
      /* If command was not successful, set error flag */
      gErrorType = ERROR_8BIT_W;
    }
  }

  if (gErrorType == NO_ERROR) {
    /*
     * 16-bit write to flash in main memory with ECC generated by hardware.
     * The target program address must be a flash word address
     * (8-byte aligned), so we increase the address in increments of 8.
     */
    DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                                DL_FLASHCTL_REGION_SELECT_MAIN);
    gCmdStatus = DL_FlashCTL_programMemoryFromRAM16WithECCGenerated(
        FLASHCTL, (MAIN_BASE_ADDRESS + 8), &gData16);
    if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
      /* If command was not successful, set error flag */
      gErrorType = ERROR_16BIT_W;
    }
  }

  if (gErrorType == NO_ERROR) {
    /* 32-bit write to flash in main memory with ECC generated by hardware */
    DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                                DL_FLASHCTL_REGION_SELECT_MAIN);
    gCmdStatus = DL_FlashCTL_programMemoryFromRAM32WithECCGenerated(
        FLASHCTL, (MAIN_BASE_ADDRESS + 16), &gData32);
    if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
      /* If command was not successful, set error flag */
      gErrorType = ERROR_32BIT_W;
    }
  }

  if (gErrorType == NO_ERROR) {
    /*
     * 64-bit write to flash in main memory with ECC generated by hardware.
     * Data must be loaded 32-bits at a time, but a single word program
     * is executed
     */
    DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                                DL_FLASHCTL_REGION_SELECT_MAIN);
    gCmdStatus = DL_FlashCTL_programMemoryFromRAM64WithECCGenerated(
        FLASHCTL, (MAIN_BASE_ADDRESS + 24), &gDataArray64[0]);
    if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
      /* If command was not successful, set error flag */
      gErrorType = ERROR_64BIT_W;
    }
  }

  /* After successful completion, toggle LED and USER_TEST pin */
  if (gErrorType == NO_ERROR) {
    /*
     * Check the contents of MAIN_BASE_ADDRESS at breakpoint:
     * FF FF FF 11
     * FF FF FF FF
     * FF FF 22 22
     * FF FF FF FF
     * 33 33 33 33
     * FF FF FF FF
     * AB CD EF 00
     * 12 34 56 78
     */
    while (1) {
      DL_GPIO_togglePins(GPIO_LEDS_PORT,
                         GPIO_LEDS_USER_LED_1_PIN | GPIO_LEDS_USER_TEST_PIN);

      // Check the Memory
      Recall8 = *(uint8_t *)(MAIN_BASE_ADDRESS);
      Recall16 = *(uint16_t *)(MAIN_BASE_ADDRESS + 8);
      Recall32 = *(uint32_t *)(MAIN_BASE_ADDRESS + 16);
      delay_cycles(16000000);

      gData32 = 31;


      /* 32-bit write to flash in main memory with ECC generated by hardware */
    DL_FlashCTL_unprotectSector(FLASHCTL, MAIN_BASE_ADDRESS,
                                DL_FLASHCTL_REGION_SELECT_MAIN);
    gCmdStatus = DL_FlashCTL_programMemoryFromRAM32WithECCGenerated(
        FLASHCTL, (MAIN_BASE_ADDRESS + 16), &gData32);
    if (gCmdStatus == DL_FLASHCTL_COMMAND_STATUS_FAILED) {
      /* If command was not successful, set error flag */
      gErrorType = ERROR_32BIT_W;
    }
    }
  }
  /* Unsuccessful example run */
  else {
    /* Check gErrorType value */
    __BKPT(0);
  }
}