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/**
*****************************************************************************
* @file cmem7_gpio.c
*
* @brief CMEM7 GPIO source file
*
*
* @version V1.0
* @date 3. September 2013
*
* @note
*
*****************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, CAPITAL-MICRO SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2013 Capital-micro </center></h2>
*****************************************************************************
*/
#include "cmem7_gpio.h"
#define GPIO_GROUP_GPIO_H (GPIO_GROUP_GPIO + 1)
#define GPIO_GROUP_GPIO_N (GPIO_GROUP_GPIO + 2)
#define IS_INNER_GPIO_GROUP(GROUP) (((GROUP) == GPIO_GROUP_GPIO) || \
((GROUP) == GPIO_GROUP_GPIO_H) || \
((GROUP) == GPIO_GROUP_GPIO_N))
#define GPIO_PWM_CHANNEL_GPIO_H_9 (GPIO_PWM_CHANNEL_GPIO_31 + 1)
#define GPIO_PWM_CHANNEL_GPIO_H_19 (GPIO_PWM_CHANNEL_GPIO_31 + 2)
#define GPIO_PWM_CHANNEL_GPIO_H_20 (GPIO_PWM_CHANNEL_GPIO_31 + 3)
#define IS_INNER_GPIO_PWM_CHANNEL(CHANNEL) (((CHANNEL) == GPIO_PWM_CHANNEL_GPIO_31) || \
((CHANNEL) == GPIO_PWM_CHANNEL_GPIO_H_9) || \
((CHANNEL) == GPIO_PWM_CHANNEL_GPIO_H_19) || \
((CHANNEL) == GPIO_PWM_CHANNEL_GPIO_H_20))
static uint32_t gpio_GetClock() {
return SYSTEM_CLOCK_FREQ / (1 << (GLOBAL_CTRL->CLK_SEL_0_b.GPIO_CLK + 1));
}
void GPIO_Init(uint8_t Group, uint32_t PositiveTrigger) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
GPIO->GPIO_POSITIVE_EDGE_INT_TRIGGER = PositiveTrigger;
} else if (Group == GPIO_GROUP_GPIO_H) {
GPIO->GPIO_H_POSITIVE_EDGE_INT_TRIGGER = PositiveTrigger;
} else {
GPIO->GPIO_N_POSITIVE_EDGE_INT_TRIGGER = PositiveTrigger;
}
}
void GPIO_EnableOutput(uint8_t Group, uint32_t Enable) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
GPIO->GPIO_OE = Enable;
} else if (Group == GPIO_GROUP_GPIO_H) {
GPIO->GPIO_H_OE = Enable;
} else {
GPIO->GPIO_N_OE = Enable;
}
}
void GPIO_EnableInt(uint8_t Group, uint32_t Enable) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
GPIO->GPIO_INT_MASK = ~Enable;
} else if (Group == GPIO_GROUP_GPIO_H) {
GPIO->GPIO_H_INT_MASK = ~Enable;
} else {
GPIO->GPIO_N_INT_MASK = ~Enable;
}
}
uint32_t GPIO_GetIntStatus(uint8_t Group) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
return GPIO->GPIO_INT_STATUS;
} else if (Group == GPIO_GROUP_GPIO_H) {
return GPIO->GPIO_H_INT_STATUS;
}
return GPIO->GPIO_N_INT_STATUS;
}
void GPIO_ClearInt(uint8_t Group, uint32_t Clear) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
GPIO->GPIO_INT_STATUS = Clear;
} else if (Group == GPIO_GROUP_GPIO_H) {
GPIO->GPIO_H_INT_STATUS = Clear;
} else {
GPIO->GPIO_N_INT_STATUS = Clear;
}
}
uint32_t GPIO_Read(uint8_t Group) {
uint32_t data;
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
data = GPIO->GPIO_IN;
} else if (Group == GPIO_GROUP_GPIO_H) {
data = GPIO->GPIO_H_IN;
} else {
data = GPIO->GPIO_N_IN;
}
return data;
}
void GPIO_Write(uint8_t Group, uint32_t Unmask, uint32_t data) {
assert_param(IS_GPIO_GROUP(Group));
if (Group == GPIO_GROUP_GPIO) {
GPIO->GPIO_OUT_UNMASK = Unmask;
GPIO->GPIO_OUT_DATA = data;
} else if (Group == GPIO_GROUP_GPIO_H) {
GPIO->GPIO_H_OUT_UNMASK = Unmask;
GPIO->GPIO_H_OUT_DATA = data;
} else {
GPIO->GPIO_N_OUT_UNMASK = Unmask;
GPIO->GPIO_N_OUT_DATA = data;
}
}
void GPIO_InitPwm(uint8_t Channel, uint32_t HighLevelNanoSecond, uint32_t LowLevelNanoSecond) {
uint16_t lowTick, highTick;
assert_param(IS_GPIO_PWM_CHANNEL(Channel));
lowTick = LowLevelNanoSecond * (gpio_GetClock() / 1000000) / 1000;
highTick = HighLevelNanoSecond * (gpio_GetClock() / 1000000) / 1000;
lowTick = (lowTick < 1) ? lowTick : lowTick - 1;
highTick = (highTick < 1) ? highTick : highTick - 1;
if (Channel == GPIO_PWM_CHANNEL_GPIO_31) {
GPIO->PWM_OUT0_LEN_b.LOW_LEVEL_TICK = lowTick;
GPIO->PWM_OUT0_LEN_b.HIGH_LEVEL_TICK = highTick;
} else if (Channel == GPIO_PWM_CHANNEL_GPIO_H_9) {
GPIO->PWM_OUT1_LEN_b.LOW_LEVEL_TICK = lowTick;
GPIO->PWM_OUT1_LEN_b.HIGH_LEVEL_TICK = highTick;
} else if (Channel == GPIO_PWM_CHANNEL_GPIO_H_19) {
GPIO->PWM_OUT2_LEN_b.LOW_LEVEL_TICK = lowTick;
GPIO->PWM_OUT2_LEN_b.HIGH_LEVEL_TICK = highTick;
} else {
GPIO->PWM_OUT3_LEN_b.LOW_LEVEL_TICK = lowTick;
GPIO->PWM_OUT3_LEN_b.HIGH_LEVEL_TICK = highTick;
}
}
void GPIO_EnablePwm(uint8_t Channel, BOOL Enable) {
assert_param(IS_GPIO_PWM_CHANNEL(Channel));
if (Channel == GPIO_PWM_CHANNEL_GPIO_31) {
GPIO->PWM_OUT_EN_b.GPIO_31 = Enable;
GPIO->PWM_OUT_SEL_b.GPIO_31 = Enable;
} else if (Channel == GPIO_PWM_CHANNEL_GPIO_H_9) {
GPIO->PWM_OUT_EN_b.GPIO_H_9 = Enable;
GPIO->PWM_OUT_SEL_b.GPIO_H_9 = Enable;
} else if (Channel == GPIO_PWM_CHANNEL_GPIO_H_19) {
GPIO->PWM_OUT_EN_b.GPIO_H_19 = Enable;
GPIO->PWM_OUT_SEL_b.GPIO_H_19 = Enable;
} else {
GPIO->PWM_OUT_EN_b.GPIO_H_20 = Enable;
GPIO->PWM_OUT_SEL_b.GPIO_H_20 = Enable;
}
}
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