1 files changed, 3 insertions, 43 deletions

diff --git a/firmware/drivers/pcf50605.c b/firmware/drivers/pcf50605.c
index 122ba6ee38..7d2036e807 100644
--- a/firmware/drivers/pcf50605.c
+++ b/firmware/drivers/pcf50605.c
@@ -98,22 +98,12 @@ int pcf50605_write_multiple(int address, const unsigned char* buf, int count)
     return 0;
 }
 
-static int pcf50605_a2d_read(int adc_input)
+unsigned short pcf50605_a2d_read(int adc_input)
 {
-    int hi, lo;
+    unsigned short hi;
+    unsigned char lo;
 
-    /* Enable ACD module */
-    ipod_i2c_send(0x8, 0x33, 0x80); /* ACDC1, ACDAPE = 1 */
-
-    /* select ADCIN1 - subtractor, and start sampling process */
     ipod_i2c_send(0x8, 0x2f, (adc_input<<1) | 0x1); /* ADCC2, ADCMUX = adc_input, ADCSTART = 1 */
-
-    /* ADCC2, wait for ADCSTART = 0 (wait for sampling to start) */
-    while ((i2c_readbyte(0x8, 0x2f) & 1)) /* do nothing */;
-
-    /* ADCS2, wait ADCRDY = 0 (wait for sampling to end) */
-    while (!(i2c_readbyte(0x8, 0x31) & 0x80)) /* do nothing */;
-
     hi = i2c_readbyte(0x8, 0x30);           /* ADCS1 */
     lo = (i2c_readbyte(0x8, 0x31) & 0x3);   /* ADCS2 */
 
@@ -129,33 +119,3 @@ void pcf50605_standby_mode(void)
     pcf50605_write(OOCC1, GOSTDBY | CHGWAK | EXTONWAK);
 }
 
-int pcf50605_battery_read(void)
-{
-    return pcf50605_a2d_read(0x3);       /* ADCIN1, subtractor */
-}
-
-void rtc_init(void)
-{
-    /* Nothing to do. */
-}
-
-int rtc_read_datetime(unsigned char* buf)
-{
-    int rc;
-
-    rc = pcf50605_read_multiple(0x0a, buf, 7);
-
-    return rc;
-}
-
-
-int rtc_write_datetime(unsigned char* buf)
-{
-    int i;
-
-    for (i=0;i<7;i++) {
-        ipod_i2c_send(0x8, 0x0a+i, buf[i]);
-    }
-
-    return 1;
-}