diff options
Diffstat (limited to 'apps/systemcmds/eeprom/24xxxx_mtd.c')
| -rw-r--r-- | apps/systemcmds/eeprom/24xxxx_mtd.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/apps/systemcmds/eeprom/24xxxx_mtd.c b/apps/systemcmds/eeprom/24xxxx_mtd.c index 781b01065..e34be44e3 100644 --- a/apps/systemcmds/eeprom/24xxxx_mtd.c +++ b/apps/systemcmds/eeprom/24xxxx_mtd.c @@ -163,6 +163,8 @@ static ssize_t at24c_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks, FAR const uint8_t *buf); static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg); +void at24c_test(void); + /************************************************************************************ * Private Data ************************************************************************************/ @@ -219,6 +221,31 @@ static int at24c_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nbloc } /************************************************************************************ + * Name: at24c_test + ************************************************************************************/ + +void at24c_test(void) +{ + uint8_t buf[CONFIG_AT24XX_MTD_BLOCKSIZE]; + unsigned count = 0; + unsigned errors = 0; + + for (count = 0; count < 10000; count++) { + ssize_t result = at24c_bread(&g_at24c.mtd, 0, 1, buf); + if (result == ERROR) { + if (errors++ > 2) { + vdbg("too many errors\n"); + return; + } + } else if (result != 1) { + vdbg("unexpected %u\n", result); + } + if ((count % 100) == 0) + vdbg("test %u errors %u\n", count, errors); + } +} + +/************************************************************************************ * Name: at24c_bread ************************************************************************************/ |