From 4c6cb2e5c4748502cbd26d3bd38e490ebead197f Mon Sep 17 00:00:00 2001 From: Daniel Friesel Date: Fri, 15 Jan 2016 20:27:22 +0100 Subject: turn modem voltage divider off during sleep needs hw revision >= git commit 71f427bd100963b1aafb545bfca319c50e1c48cd --- src/modem.cc | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'src/modem.cc') diff --git a/src/modem.cc b/src/modem.cc index cb3a6ee..2eae685 100644 --- a/src/modem.cc +++ b/src/modem.cc @@ -28,7 +28,7 @@ uint8_t Modem::buffer_available() { * Store 1 byte in ringbuffer */ static inline void modem_buffer_put(const uint8_t c) { - if (modem.buffer_available() != MODEM_BUFFER_SIZE) { + if (modem.buffer_available() != MODEM_BUFFER_SIZE) { modem_buffer[modem_buffer_head++ % MODEM_BUFFER_SIZE] = c; } } @@ -83,7 +83,11 @@ ISR(PCINT3_vect) { /* * Start the modem by enabling Pin Change Interrupts & Timer */ -void Modem::init() { +void Modem::enable() { + /* Enable R1 */ + DDRA |= _BV(PA3); + PORTA |= _BV(PA3); + /* Modem pin as input */ MODEM_DDR &= ~_BV(MODEM_PIN); @@ -94,3 +98,9 @@ void Modem::init() { /* Timer: TCCR1: CS10 and CS11 bits: 8MHz clock with Prescaler 64 = 125kHz timer clock */ TCCR1B = _BV(CS11) | _BV(CS10); } + +void Modem::disable() +{ + PORTA &= ~_BV(PA3); + DDRA &= ~_BV(PA3); +} -- cgit v1.2.3