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dout.c
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123 lines (87 loc) · 2.6 KB
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#include "dout.h"
#include "defs/defs.h"
#include <string.h>
//! Структура канала цифрового выхода.
typedef struct _Dout_Channel {
GPIO_TypeDef* gpio; //!< GPIO.
gpio_pin_t pin; //!< Пин.
dout_mode_t mode; //!< Режим.
dout_type_t type; //!< Тип.
dout_state_t state; //!< Состояние выхода.
} dout_channel_t;
//! Структура цифровых выходов.
typedef struct _Dout {
dout_channel_t channels[DOUT_COUNT]; //!< Каналы.
} dout_t;
//! Цифровые выхода.
static dout_t dout;
//! Получает канал цифрового выхода по номеру.
ALWAYS_INLINE static dout_channel_t* dout_channel(size_t n)
{
return &dout.channels[n];
}
//! Получает текущее состояние выхода.
ALWAYS_INLINE static err_t dout_channel_set_state_inst(dout_channel_t* channel, dout_state_t state)
{
if(channel->gpio == NULL || channel->pin == 0) return E_STATE;
gpio_state_t inst_state = GPIO_STATE_OFF;
if(state == DOUT_ON){
inst_state = (channel->mode == DOUT_NORMAL) ? GPIO_STATE_ON : GPIO_STATE_OFF;
}else{
inst_state = (channel->mode == DOUT_NORMAL) ? GPIO_STATE_OFF : GPIO_STATE_ON;
}
if(inst_state == GPIO_STATE_ON){
gpio_set(channel->gpio, channel->pin);
}else{
gpio_reset(channel->gpio, channel->pin);
}
channel->state = state;
return E_NO_ERROR;
}
err_t dout_init(void)
{
memset(&dout, 0x0, sizeof(dout_t));
return E_NO_ERROR;
}
err_t dout_channel_init(size_t n, GPIO_TypeDef* gpio, gpio_pin_t pin)
{
if(n >= DOUT_COUNT) return E_OUT_OF_RANGE;
if(gpio == NULL || pin == 0) return E_INVALID_VALUE;
dout_channel_t* channel = dout_channel(n);
channel->gpio = gpio;
channel->pin = pin;
return E_NO_ERROR;
}
err_t dout_channel_setup(size_t n, dout_mode_t mode, dout_type_t type)
{
if(n >= DOUT_COUNT) return E_OUT_OF_RANGE;
dout_channel_t* channel = dout_channel(n);
channel->mode = mode;
channel->type = type;
return E_NO_ERROR;
}
void dout_process(void)
{
dout_channel_t* channel = NULL;
size_t i;
for(i = 0; i < DOUT_COUNT; i ++){
channel = dout_channel(i);
dout_channel_set_state_inst(channel, channel->state);
}
}
err_t dout_set_state(size_t n, dout_state_t state)
{
if(n >= DOUT_COUNT) return E_OUT_OF_RANGE;
dout_channel_t* channel = dout_channel(n);
channel->state = state;
return E_NO_ERROR;
}
void dout_set_type_state(dout_type_t type, dout_state_t state)
{
dout_channel_t* channel = NULL;
size_t i;
for(i = 0; i < DOUT_COUNT; i ++){
channel = dout_channel(i);
if(channel->type == type) channel->state = state;
}
}