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. ==================================================