Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-05 15:43:28 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

drivers/eeprom/i2c_xx24xx.c: increase number of retries in ee24xx_waitwritecomplete

Browse Source
This commit is contained in:
Nicholas Chin
2020-02-12 15:07:54 -05:00
committed by patacongo
parent 15b78abccf
commit ddc8f52202
1 changed files with 1 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/eeprom/i2c_xx24xx.c
+1 -6
View File
@@ -240,11 +240,6 @@ static const struct file_operations at24cs_uuid_fops =
* *
* Use ACK polling to detect the completion of the write operation. * Use ACK polling to detect the completion of the write operation.
* Returns TRUE if write is complete (device replies to ACK). * Returns TRUE if write is complete (device replies to ACK).
* Note: The device always replies an ACK for the control byte, the polling
* shall be done using the ACK for the memory address byte. Read or write does
* not matter.
* Note: We should sleep a bit between retries, the write time is around 5 ms,
* but the bus is slow, so, a few retries at most will happen.
* *
****************************************************************************/ ****************************************************************************/
@@ -253,7 +248,7 @@ static int ee24xx_waitwritecomplete(FAR struct ee24xx_dev_s *eedev,
{ {
struct i2c_msg_s msgs[1]; struct i2c_msg_s msgs[1];
int ret; int ret;
int retries = 100; int retries = 500;
uint8_t adr; uint8_t adr;
uint32_t addr_hi = (memaddr >> (eedev->addrlen << 3)); uint32_t addr_hi = (memaddr >> (eedev->addrlen << 3));