static void configure_gpios(spi_dev *dev, bool as_master) {
const struct spi_pins *pins = dev_to_spi_pins(dev);
if (!pins) {
return;
}
const stm32_pin_info *nssi = &PIN_MAP[pins->nss];
const stm32_pin_info *scki = &PIN_MAP[pins->sck];
const stm32_pin_info *misoi = &PIN_MAP[pins->miso];
const stm32_pin_info *mosii = &PIN_MAP[pins->mosi];
disable_pwm(nssi);
disable_pwm(scki);
disable_pwm(misoi);
disable_pwm(mosii);
spi_gpio_cfg(as_master,
nssi->gpio_device,
nssi->gpio_bit,
scki->gpio_device,
scki->gpio_bit,
misoi->gpio_bit,
mosii->gpio_bit);
}
static void configure_gpios(can_dev *dev) {
const can_pins *pins = dev_to_can_pins(dev);
if (!pins) {
return;
}
const stm32_pin_info *rx = &PIN_MAP[pins->rx];
const stm32_pin_info *tx = &PIN_MAP[pins->tx];
ASSERT(rx->gpio_device == tx->gpio_device);
disable_pwm(rx);
disable_pwm(tx);
can_config_gpios(dev, rx->gpio_device, tx->gpio_bit, rx->gpio_bit);
}
// IMPORTANT: if interrupts are not enabled, the processor will never wake
// from sleep
void sleep_proc() {
enable_pcint();
// Turn off timer0
disable_pwm();
disp_off();
// probably want power save mode
// everything off but Timer2 interrupts
set_sleep_mode(SLEEP_MODE_PWR_SAVE);
sleep_mode();
// Continue here on wake
disable_pcint();
return;
}
