diff options
Diffstat (limited to 'accel.c')
| -rw-r--r-- | accel.c | 11 |
1 files changed, 5 insertions, 6 deletions
@@ -53,8 +53,8 @@ static bool reading = false; */ ISR(PCINT1_vect) { const bool interrupt = (PINC >> PINC1) & 0x1; - /* low-active */ - if (!interrupt) { + /* high-active */ + if (interrupt) { enableWakeup (WAKE_ACCEL); } else { disableWakeup (WAKE_ACCEL); @@ -62,9 +62,8 @@ ISR(PCINT1_vect) { } void accelInit () { - /* set interrupt lines to input with pull-up */ + /* set interrupt lines to input */ DDRC = DDRC & ~((1 << DDC0) | (1 << DDC1)); - PORTC = PORTC | (1 << PORTC0) | (1 << PORTC1); /* enable interrupt PCI1 for PCINT8/9 */ PCICR = PCICR | (1 << PCIE1); /* enable interrupts from port PC0/PC1 aka PCINT8/PCINT9 */ @@ -76,9 +75,9 @@ void accelStart () { /* configuration: * disable power-down-mode, enable z-axis * defaults - * low active, data ready interrupt on int2 + * push-pull, high-active, data ready interrupt on int2 */ - uint8_t data[] = {0b01000100, 0b0, 0b10100000}; + uint8_t data[] = {0b01000100, 0b0, 0b00100000}; if (!twRequest (TWM_WRITE, LIS302DL, LIS302DL_CTRLREG1, data, sizeof (data)/sizeof (*data))) { |