ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #7220 from melvinvdb/fix_nrf5x_interrupt_pull_mode 

Fix mbed::InterruptIn.mode() in NRF5x targets
pull/7299/head
Cruz Monrreal 2018-06-21 10:31:48 -05:00 committed by GitHub
parent b80490d884 4986daaa7d
commit 0b8f46763a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 38 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
targets/TARGET_NORDIC/TARGET_NRF5x/gpio_api.c
View File

@ -111,8 +111,7 @@ static void gpiote_pin_uninit(uint8_t pin)
if (m_gpio_initialized & ((gpio_mask_t)1UL << pin)) { if (m_gpio_initialized & ((gpio_mask_t)1UL << pin)) {
if ((m_gpio_cfg[pin].direction == PIN_OUTPUT) && (!m_gpio_cfg[pin].used_as_irq)) { if ((m_gpio_cfg[pin].direction == PIN_OUTPUT) && (!m_gpio_cfg[pin].used_as_irq)) {
nrf_drv_gpiote_out_uninit(pin); nrf_drv_gpiote_out_uninit(pin);
} } else if (m_gpio_cfg[pin].used_as_irq) {
else if (m_gpio_cfg[pin].used_as_irq) {
nrf_drv_gpiote_in_uninit(pin); nrf_drv_gpiote_in_uninit(pin);
} }
} }
@ -129,16 +128,6 @@ static void gpio_apply_config(uint8_t pin)
cfg.hi_accuracy = false; cfg.hi_accuracy = false;
cfg.is_watcher = false; cfg.is_watcher = false;
cfg.sense = NRF_GPIOTE_POLARITY_TOGGLE; cfg.sense = NRF_GPIOTE_POLARITY_TOGGLE;
if (m_gpio_cfg[pin].used_as_irq) {
cfg.pull = NRF_GPIO_PIN_PULLUP;
nrf_drv_gpiote_in_init(pin, &cfg, gpiote_irq_handler);
if ((m_gpio_irq_enabled & ((gpio_mask_t)1 << pin))
&& (m_gpio_cfg[pin].irq_rise || m_gpio_cfg[pin].irq_fall))
{
nrf_drv_gpiote_in_event_enable(pin, true);
}
}
else {
switch (m_gpio_cfg[pin].pull) { switch (m_gpio_cfg[pin].pull) {
case PullUp: case PullUp:
cfg.pull = NRF_GPIO_PIN_PULLUP; cfg.pull = NRF_GPIO_PIN_PULLUP;
@ -150,17 +139,22 @@ static void gpio_apply_config(uint8_t pin)
cfg.pull = NRF_GPIO_PIN_NOPULL; cfg.pull = NRF_GPIO_PIN_NOPULL;
break; break;
} }
if (m_gpio_cfg[pin].used_as_irq) {
nrf_drv_gpiote_in_init(pin, &cfg, gpiote_irq_handler);
if ((m_gpio_irq_enabled & ((gpio_mask_t)1 << pin))
&& (m_gpio_cfg[pin].irq_rise || m_gpio_cfg[pin].irq_fall)) {
nrf_drv_gpiote_in_event_enable(pin, true);
}
} else {
nrf_gpio_cfg_input(pin, cfg.pull); nrf_gpio_cfg_input(pin, cfg.pull);
} }
} } else {
else {
// Configure as output. // Configure as output.
nrf_drv_gpiote_out_config_t cfg = GPIOTE_CONFIG_OUT_SIMPLE(nrf_gpio_pin_out_read(pin)); nrf_drv_gpiote_out_config_t cfg = GPIOTE_CONFIG_OUT_SIMPLE(nrf_gpio_pin_out_read(pin));
nrf_drv_gpiote_out_init(pin, &cfg); nrf_drv_gpiote_out_init(pin, &cfg);
} }
m_gpio_initialized |= ((gpio_mask_t)1UL << pin); m_gpio_initialized |= ((gpio_mask_t)1UL << pin);
} } else {
else {
m_gpio_initialized &= ~((gpio_mask_t)1UL << pin); m_gpio_initialized &= ~((gpio_mask_t)1UL << pin);
} }
} }
@ -203,6 +197,7 @@ int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32
gpiote_pin_uninit(pin); // try to uninitialize gpio before a change. gpiote_pin_uninit(pin); // try to uninitialize gpio before a change.
m_gpio_cfg[pin].used_as_irq = true; m_gpio_cfg[pin].used_as_irq = true;
m_gpio_cfg[pin].pull = PullNone;
m_channel_ids[pin] = id; m_channel_ids[pin] = id;
obj->ch = pin; obj->ch = pin;
m_irq_handler = handler; m_irq_handler = handler;
@ -232,8 +227,7 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
if (event == IRQ_RISE) { if (event == IRQ_RISE) {
cfg->irq_rise = enable ? true : false; cfg->irq_rise = enable ? true : false;
} } else if (event == IRQ_FALL) {
else if (event == IRQ_FALL) {
cfg->irq_fall = enable ? true : false; cfg->irq_fall = enable ? true : false;
} }