From: Pankaj Bansal <pankaj.ban...@nxp.com> Add comments to explain the register read and write operation on Ds1307. These comments have been referred from data sheet:
https://datasheets.maximintegrated.com/en/ds/DS1307.pdf Signed-off-by: Pankaj Bansal <pankaj.ban...@nxp.com> --- Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.c b/Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.c index fd7a8696e405..444e01124811 100644 --- a/Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.c +++ b/Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.c @@ -28,6 +28,11 @@ STATIC EFI_I2C_MASTER_PROTOCOL *mI2cMaster; /** Read RTC register. + Data Read-Slave Transmitter Mode + + <Slave Address> <Word Address (n)> <Slave Address> <Data(n)> <Data(n+1)> <Data(n+2)> <Data(n+X)> + + The first byte is received and handled as in the slave receiver mode. @param RtcRegAddr Register offset of RTC to be read. @@ -69,6 +74,9 @@ RtcRead ( /** Write RTC register. + Data Write-Slave Receiver Mode + + <Slave Address> <Word Address (n)> <Data(n)> <Data(n+1)> <Data(n+X)> @param RtcRegAddr Register offset of RTC to write. @param Val Value to be written -- 2.17.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#56003): https://edk2.groups.io/g/devel/message/56003 Mute This Topic: https://groups.io/mt/72077431/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
