Changeset 3b79ba5 in mainline

Timestamp:

2012-04-03T09:37:56Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9e06e9f

Parents:

f30ee571

Message:

rtc: add a function to read a generic register from the CMOS memory

File:

• uspace/drv/time/cmos-rtc/cmos-rtc.c (modified) (3 diffs)

uspace/drv/time/cmos-rtc/cmos-rtc.c

@@ -80 +80 @@
 static void rtc_close(ddf_fun_t *fun);
 static bool rtc_update_in_progress(rtc_t *rtc);
+static int  rtc_register_read(ioport8_t *port, int reg);
 
 
@@ -222 +223 @@
 }
 
+/** Read a register from the CMOS memory
+ *
+ * @param port   The I/O port assigned to the device
+ * @param reg    The index of the register to read
+ *
+ * @return       The value of the register
+ */
+static int
+rtc_register_read(ioport8_t *port, int reg)
+{
+        pio_write_8(port, reg);
+        return pio_read_8(port + 1);
+}
+
 /** Check if an update is in progress
  *
@@ -231 +246 @@
 rtc_update_in_progress(rtc_t *rtc)
 {
-        pio_write_8(rtc->port, RTC_UPDATE);
-        return pio_read_8(rtc->port + 1) & RTC_MASK_UPDATE;
+        return rtc_register_read(rtc->port, RTC_UPDATE) & RTC_MASK_UPDATE;
 }