ruuvi.drivers.c  ${PROJECT_VERSION}
Drivers for external sensors and peripherals on embedded systems.
ruuvi_task_gpio.c
Go to the documentation of this file.
1 #include "ruuvi_driver_enabled_modules.h"
2 #if RT_GPIO_ENABLED
3 #include "ruuvi_task_gpio.h"
4 #include "ruuvi_interface_gpio.h"
5 #include "ruuvi_interface_gpio_interrupt.h"
6 
7 static ri_gpio_interrupt_fp_t interrupt_table[RT_GPIO_INT_TABLE_SIZE]
8  = {0};
9 
10 rd_status_t rt_gpio_init()
11 {
12  rd_status_t err_code = RD_SUCCESS;
13 
14  if (!rt_gpio_is_init())
15  {
16  err_code |= ri_gpio_init();
17  err_code |= ri_gpio_interrupt_init (interrupt_table, sizeof (interrupt_table));
18  }
19 
20  return err_code;
21 }
22 
23 bool rt_gpio_is_init()
24 {
25  return ri_gpio_is_init() && ri_gpio_interrupt_is_init();
26 }
27 #endif
rd_status_t
uint32_t rd_status_t
bitfield for representing errors
Definition: ruuvi_driver_error.h:54
RD_SUCCESS
#define RD_SUCCESS
Internal Error.
Definition: ruuvi_driver_error.h:28
ri_gpio_is_init
bool ri_gpio_is_init(void)
return true if GPIO is init, false otherwise.
Definition: ruuvi_nrf5_sdk15_gpio.c:72
ri_gpio_interrupt_init
rd_status_t ri_gpio_interrupt_init(ri_gpio_interrupt_fp_t *const interrupt_table, const uint16_t max_interrupts)
Initialize interrupt functionality to GPIO. Takes address of interrupt table as a pointer to avoid ty...
ri_gpio_interrupt_fp_t
void(* ri_gpio_interrupt_fp_t)(const ri_gpio_evt_t)
Definition: ruuvi_interface_gpio_interrupt.h:45
ri_gpio_init
rd_status_t ri_gpio_init(void)
Initializes GPIO module. Call this before other GPIO functions. After initialization all GPIO pins sh...
Definition: ruuvi_nrf5_sdk15_gpio.c:44
ri_gpio_interrupt_is_init
bool ri_gpio_interrupt_is_init(void)
Check if interrupt module is initialized.
ruuvi_driver_enabled_modules.h
Header to enable and disable module compilation.
RT_GPIO_INT_TABLE_SIZE
#define RT_GPIO_INT_TABLE_SIZE
Conserve RAM for led task variables.
Definition: ruuvi_driver_enabled_modules.h:135
ruuvi_interface_gpio.h
ruuvi_interface_gpio_interrupt.h
ruuvi_task_gpio.h
rt_gpio_is_init
bool rt_gpio_is_init(void)
check that GPIO is initialized.
rt_gpio_init
rd_status_t rt_gpio_init(void)
initialise GPIO. Pins are in high-Z state by default.