Part Number:CC2642R
SDK:
simplelink_cc13xx_cc26xx_sdk_8_30_01_01
配置:


现象:
1、 在project_zero工程中, NVS_write卡死
2、在nfsexternal工程中, NVS_write返回NVS_STATUS_INV_WRITE(-7)
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
/* Driver Header files */
#include <ti/display/Display.h>
#include <ti/drivers/NVS.h>
/* Driver configuration */
#include "ti_drivers_config.h"
#define FOOTER "=================================================="
/* Buffer placed in RAM to hold bytes read from non-volatile storage. */
static char buffer[64];
static const char signature[] = {"SimpleLink SDK Non-Volatile Storage (NVS) SPI Example."};
/*
* ======== mainThread ========
*/
void *mainThread(void *arg0)
{NVS_Handle nvsHandle;NVS_Attrs regionAttrs;NVS_Params nvsParams;Display_Handle displayHandle;Display_init();NVS_init();displayHandle = Display_open(Display_Type_UART, NULL);if (displayHandle == NULL){/* Display_open() failed */while (1) {}}NVS_Params_init(&nvsParams);nvsHandle = NVS_open(CONFIG_NVSEXTERNAL, &nvsParams);if (nvsHandle == NULL){Display_printf(displayHandle, 0, 0, "NVS_open() failed.");return (NULL);}Display_printf(displayHandle, 0, 0, "\n");/** This will populate a NVS_Attrs structure with properties specific* to a NVS_Handle such as region base address, region size,* and sector size.*/NVS_getAttrs(nvsHandle, ®ionAttrs);/* Display the NVS region attributes. */Display_printf(displayHandle, 0, 0, "Sector Size: 0x%x", regionAttrs.sectorSize);Display_printf(displayHandle, 0, 0, "Region Size: 0x%x\n", regionAttrs.regionSize);/** Copy "sizeof(signature)" bytes from the NVS region base address into* buffer.*/NVS_read(nvsHandle, 0, (void *)buffer, sizeof(signature));/** Determine if the NVS region contains the signature string.* Compare the string with the contents copied into buffer.*/if (strcmp((char *)buffer, (char *)signature) == 0){/* Write buffer copied from flash to the console. */Display_printf(displayHandle, 0, 0, "%s", buffer);Display_printf(displayHandle, 0, 0, "Erasing SPI flash sector...");/* Erase the entire flash sector. */NVS_erase(nvsHandle, 0, regionAttrs.sectorSize);}else{int_fast16_t rc = NVS_erase(nvsHandle, 0, regionAttrs.sectorSize);Display_printf(displayHandle, 0, 0, "NVS_erase, rc = %d", rc);/* The signature was not found in the NVS region. */Display_printf(displayHandle, 0, 0, "Writing signature to SPI flash...");/** Write signature to memory. The flash sector is erased prior* to performing the write operation. This is specified by* NVS_WRITE_ERASE.*/rc = NVS_write(nvsHandle, 0, (void *)signature, sizeof(signature), NVS_WRITE_PRE_VERIFY | NVS_WRITE_POST_VERIFY);Display_printf(displayHandle, 0, 0, "Write, rc = %d", rc);memset(buffer, 0, sizeof(buffer));rc = NVS_read(nvsHandle, 0, (void *)buffer, sizeof(signature));Display_printf(displayHandle, 0, 0, "read %d: %s", rc, buffer);}NVS_close(nvsHandle);Display_printf(displayHandle, 0, 0, "Reset the device.");Display_printf(displayHandle, 0, 0, FOOTER);return (NULL);
}
输出
Sector Size: 0x1000 Region Size: 0x1000 NVS_erase, rc = 0 Writing signature to SPI flash... Write, rc = -7 read 0: Reset the device. ==================================================
Taylor:
您好,
已经收到了您的案例,调查需要些时间,感谢您的耐心等待。
,
Vivian Gao:
没有收到这两张图片。
另外您看一下下方链接中提到的 example和Lab
e2e.ti.com/…/ccs-cc2642r-external-flash-memory-interfacing-using-spi
,
Sam Yang:
不好意思,这段时间一直出差了。现补充配置图片。project_zero项目
nvsexternal项目 :
,
Vivian Gao:
参考下方链接检查一下。
nvsexternal
TI中文支持网









