diff options
| -rw-r--r-- | firmware/target/arm/tcc780x/cowond2/button-cowond2.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/firmware/target/arm/tcc780x/cowond2/button-cowond2.c b/firmware/target/arm/tcc780x/cowond2/button-cowond2.c index 12eb889..290058b 100644 --- a/firmware/target/arm/tcc780x/cowond2/button-cowond2.c +++ b/firmware/target/arm/tcc780x/cowond2/button-cowond2.c @@ -139,8 +139,16 @@ int button_read_device(int *data) if (pcf50606_read(PCF5060X_ADCC1) & 0x80) /* Pen down */ { unsigned char buf[3]; + pcf50606_write(PCF5060X_ADCC2, (0xE<<1) | 1); /* ADC start X+Y */ - pcf50606_read_multiple(PCF5060X_ADCS1, buf, 3); + + do { + buf[1] = pcf50606_read(PCF5060X_ADCS2); + } while (!(buf[1] & 0x80)); /* Busy wait on ADCRDY flag */ + + buf[0] = pcf50606_read(PCF5060X_ADCS1); + buf[2] = pcf50606_read(PCF5060X_ADCS3); + pcf50606_write(PCF5060X_ADCC2, 0); /* ADC stop */ x = (buf[0] << 2) | (buf[1] & 3); @@ -172,6 +180,7 @@ int button_read_device(int *data) (*data&0x0000ffff), data); } + last_touch = current_tick; touch_available = false; } |