refactor(gpio): Refactor gpio driver for esp8266 idf

This commit is contained in:
Xu Chun Guang
2018-06-10 22:39:40 +08:00
committed by XiongYu
parent 7c46284f50
commit 8fdffe47ad
12 changed files with 1022 additions and 337 deletions

View File

@ -1,4 +1,4 @@
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
// Copyright 2018-2025 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -16,19 +16,19 @@
#define __GPIO_H__
#include <stdint.h>
#include "esp_err.h"
#include "esp8266/eagle_soc.h"
#include "esp8266/gpio_register.h"
#include "esp8266/pin_mux_register.h"
#include "freertos/portmacro.h"
#include "esp8266/gpio_register.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ETS_GPIO_INTR_ENABLE() _xt_isr_unmask(1 << ETS_GPIO_INUM)
#define ETS_GPIO_INTR_DISABLE() _xt_isr_mask(1 << ETS_GPIO_INUM)
#ifndef BIT
#define BIT(x) (1 << (x))
#endif
#define GPIO_Pin_0 (BIT(0)) /* Pin 0 selected */
#define GPIO_Pin_1 (BIT(1)) /* Pin 1 selected */
@ -46,263 +46,347 @@ extern "C" {
#define GPIO_Pin_13 (BIT(13)) /* Pin 13 selected */
#define GPIO_Pin_14 (BIT(14)) /* Pin 14 selected */
#define GPIO_Pin_15 (BIT(15)) /* Pin 15 selected */
#define GPIO_Pin_All (0xFFFF) /* All pins selected */
#define GPIO_Pin_16 (BIT(16)) /* Pin 16 selected */
#define GPIO_Pin_All (0x1FFFF) /* All pins selected */
#define GPIO_PIN_REG_0 PERIPHS_IO_MUX_GPIO0_U
#define GPIO_PIN_REG_1 PERIPHS_IO_MUX_U0TXD_U
#define GPIO_PIN_REG_2 PERIPHS_IO_MUX_GPIO2_U
#define GPIO_PIN_REG_3 PERIPHS_IO_MUX_U0RXD_U
#define GPIO_PIN_REG_4 PERIPHS_IO_MUX_GPIO4_U
#define GPIO_PIN_REG_5 PERIPHS_IO_MUX_GPIO5_U
#define GPIO_PIN_REG_6 PERIPHS_IO_MUX_SD_CLK_U
#define GPIO_PIN_REG_7 PERIPHS_IO_MUX_SD_DATA0_U
#define GPIO_PIN_REG_8 PERIPHS_IO_MUX_SD_DATA1_U
#define GPIO_PIN_REG_9 PERIPHS_IO_MUX_SD_DATA2_U
#define GPIO_PIN_REG_10 PERIPHS_IO_MUX_SD_DATA3_U
#define GPIO_PIN_REG_11 PERIPHS_IO_MUX_SD_CMD_U
#define GPIO_PIN_REG_12 PERIPHS_IO_MUX_MTDI_U
#define GPIO_PIN_REG_13 PERIPHS_IO_MUX_MTCK_U
#define GPIO_PIN_REG_14 PERIPHS_IO_MUX_MTMS_U
#define GPIO_PIN_REG_15 PERIPHS_IO_MUX_MTDO_U
#define GPIO_MODE_DEF_DISABLE (0)
#define GPIO_MODE_DEF_INPUT (BIT(0))
#define GPIO_MODE_DEF_OUTPUT (BIT(1))
#define GPIO_MODE_DEF_OD (BIT(2))
#define GPIO_PIN_REG(i) \
(i==0) ? GPIO_PIN_REG_0: \
(i==1) ? GPIO_PIN_REG_1: \
(i==2) ? GPIO_PIN_REG_2: \
(i==3) ? GPIO_PIN_REG_3: \
(i==4) ? GPIO_PIN_REG_4: \
(i==5) ? GPIO_PIN_REG_5: \
(i==6) ? GPIO_PIN_REG_6: \
(i==7) ? GPIO_PIN_REG_7: \
(i==8) ? GPIO_PIN_REG_8: \
(i==9) ? GPIO_PIN_REG_9: \
(i==10)? GPIO_PIN_REG_10: \
(i==11)? GPIO_PIN_REG_11: \
(i==12)? GPIO_PIN_REG_12: \
(i==13)? GPIO_PIN_REG_13: \
(i==14)? GPIO_PIN_REG_14: \
GPIO_PIN_REG_15
#define GPIO_PIN_COUNT 17
#define GPIO_PIN_ADDR(i) (GPIO_PIN0_ADDRESS + i*4)
#define GPIO_ID_IS_PIN_REGISTER(reg_id) \
((reg_id >= GPIO_ID_PIN0) && (reg_id <= GPIO_ID_PIN(GPIO_PIN_COUNT-1)))
#define GPIO_REGID_TO_PINIDX(reg_id) ((reg_id) - GPIO_ID_PIN0)
#define GPIO_IS_VALID_GPIO(gpio_num) ((gpio_num < GPIO_PIN_COUNT)) /*!< Check whether it is a valid GPIO number */
#define RTC_GPIO_IS_VALID_GPIO(gpio_num) ((gpio_num == 16)) /*!< Check whether it is a valid RTC GPIO number */
typedef enum {
GPIO_PIN_INTR_DISABLE = 0, /**< disable GPIO interrupt */
GPIO_PIN_INTR_POSEDGE = 1, /**< GPIO interrupt type : rising edge */
GPIO_PIN_INTR_NEGEDGE = 2, /**< GPIO interrupt type : falling edge */
GPIO_PIN_INTR_ANYEDGE = 3, /**< GPIO interrupt type : bothe rising and falling edge */
GPIO_PIN_INTR_LOLEVEL = 4, /**< GPIO interrupt type : low level */
GPIO_PIN_INTR_HILEVEL = 5 /**< GPIO interrupt type : high level */
} GPIO_INT_TYPE;
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
GPIO_NUM_3 = 3, /*!< GPIO3, input and output */
GPIO_NUM_4 = 4, /*!< GPIO4, input and output */
GPIO_NUM_5 = 5, /*!< GPIO5, input and output */
GPIO_NUM_6 = 6, /*!< GPIO6, input and output */
GPIO_NUM_7 = 7, /*!< GPIO7, input and output */
GPIO_NUM_8 = 8, /*!< GPIO8, input and output */
GPIO_NUM_9 = 9, /*!< GPIO9, input and output */
GPIO_NUM_10 = 10, /*!< GPIO10, input and output */
GPIO_NUM_11 = 11, /*!< GPIO11, input and output */
GPIO_NUM_12 = 12, /*!< GPIO12, input and output */
GPIO_NUM_13 = 13, /*!< GPIO13, input and output */
GPIO_NUM_14 = 14, /*!< GPIO14, input and output */
GPIO_NUM_15 = 15, /*!< GPIO15, input and output */
GPIO_NUM_16 = 16, /*!< GPIO15, input and output */
GPIO_NUM_MAX = 17,
/** @endcond */
} gpio_num_t;
typedef enum {
GPIO_Mode_Input = 0x0, /**< GPIO mode : Input */
GPIO_Mode_Out_OD, /**< GPIO mode : Output_OD */
GPIO_Mode_Output, /**< GPIO mode : Output */
GPIO_Mode_Sigma_Delta, /**< GPIO mode : Sigma_Delta */
} GPIOMode_TypeDef;
GPIO_INTR_DISABLE = 0, /*!< Disable GPIO interrupt */
GPIO_INTR_POSEDGE = 1, /*!< GPIO interrupt type : rising edge */
GPIO_INTR_NEGEDGE = 2, /*!< GPIO interrupt type : falling edge */
GPIO_INTR_ANYEDGE = 3, /*!< GPIO interrupt type : both rising and falling edge */
GPIO_INTR_LOW_LEVEL = 4, /*!< GPIO interrupt type : input low level trigger */
GPIO_INTR_HIGH_LEVEL = 5, /*!< GPIO interrupt type : input high level trigger */
GPIO_INTR_MAX,
} gpio_int_type_t;
typedef enum {
GPIO_PullUp_DIS = 0x0, /**< disable GPIO pullup */
GPIO_PullUp_EN = 0x1, /**< enable GPIO pullup */
} GPIO_Pullup_IF;
GPIO_MODE_DISABLE = GPIO_MODE_DEF_DISABLE, /*!< GPIO mode : disable input and output */
GPIO_MODE_INPUT = GPIO_MODE_DEF_INPUT, /*!< GPIO mode : input only */
GPIO_MODE_OUTPUT = GPIO_MODE_DEF_OUTPUT, /*!< GPIO mode : output only mode */
GPIO_MODE_OUTPUT_OD = ((GPIO_MODE_DEF_OUTPUT) | (GPIO_MODE_DEF_OD)), /*!< GPIO mode : output only with open-drain mode */
} gpio_mode_t;
typedef enum {
GPIO_PULLUP_ONLY, /*!< Pad pull up */
GPIO_PULLDOWN_ONLY, /*!< Pad pull down */
GPIO_FLOATING, /*!< Pad floating */
} gpio_pull_mode_t;
typedef enum {
GPIO_PULLUP_DISABLE = 0x0, /*!< Disable GPIO pull-up resistor */
GPIO_PULLUP_ENABLE = 0x1, /*!< Enable GPIO pull-up resistor */
} gpio_pullup_t;
typedef enum {
GPIO_PULLDOWN_DISABLE = 0x0, /*!< Disable GPIO pull-down resistor */
GPIO_PULLDOWN_ENABLE = 0x1, /*!< Enable GPIO pull-down resistor */
} gpio_pulldown_t;
/**
* @brief Configuration parameters of GPIO pad for gpio_config function
*/
typedef struct {
uint16_t GPIO_Pin; /**< GPIO pin */
GPIOMode_TypeDef GPIO_Mode; /**< GPIO mode */
GPIO_Pullup_IF GPIO_Pullup; /**< GPIO pullup */
GPIO_INT_TYPE GPIO_IntrType; /**< GPIO interrupt type */
} GPIO_ConfigTypeDef;
uint32_t pin_bit_mask; /*!< GPIO pin: set with bit mask, each bit maps to a GPIO */
gpio_mode_t mode; /*!< GPIO mode: set input/output mode */
gpio_pullup_t pull_up_en; /*!< GPIO pull-up */
gpio_pulldown_t pull_down_en; /*!< GPIO pull-down */
gpio_int_type_t intr_type; /*!< GPIO interrupt type */
} gpio_config_t;
/** \defgroup Driver_APIs Driver APIs
* @brief Driver APIs
*/
/** @addtogroup Driver_APIs
* @{
*/
/** \defgroup GPIO_Driver_APIs GPIO Driver APIs
* @brief GPIO APIs
*/
/** @addtogroup GPIO_Driver_APIs
* @{
*/
typedef void (*gpio_isr_t)(void *);
typedef void *gpio_isr_handle_t;
/**
* @brief Set GPIO pin output level.
*
* @param gpio_no : The GPIO sequence number.
* @param bit_value : GPIO pin output level.
*
* @return null
*/
#define GPIO_OUTPUT_SET(gpio_no, bit_value) \
gpio_output_conf(bit_value<<gpio_no, ((~bit_value)&0x01)<<gpio_no, 1<<gpio_no, 0)
* @brief GPIO common configuration
*
* Configure GPIO's Mode,pull-up,PullDown,IntrType
*
* @param gpio_config Pointer to GPIO configure struct
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_config(const gpio_config_t *gpio_cfg);
/**
* @brief Set GPIO pin output level.
*
* @param gpio_bits : The GPIO bit number.
* @param bit_value : GPIO pin output level.
*
* @return null
*/
#define GPIO_OUTPUT(gpio_bits, bit_value) \
if(bit_value) gpio_output_conf(gpio_bits, 0, gpio_bits, 0);\
else gpio_output_conf(0, gpio_bits, gpio_bits, 0)
* @brief GPIO set interrupt trigger type
*
* @param gpio_num GPIO number. If you want to set the trigger type of e.g. of GPIO12, gpio_num should be GPIO_NUM_12 (12);
* @param intr_type Interrupt type, select from gpio_int_type_t
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_set_intr_type(gpio_num_t gpio_num, gpio_int_type_t intr_type);
/**
* @brief Disable GPIO pin output.
*
* @param gpio_no : The GPIO sequence number.
*
* @return null
*/
#define GPIO_DIS_OUTPUT(gpio_no) gpio_output_conf(0, 0, 0, 1<<gpio_no)
* @brief Enable GPIO module interrupt signal
*
* @param gpio_num GPIO number. If you want to enable an interrupt on e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_intr_enable(gpio_num_t gpio_num);
/**
* @brief Enable GPIO pin intput.
*
* @param gpio_bits : The GPIO bit number.
*
* @return null
*/
#define GPIO_AS_INPUT(gpio_bits) gpio_output_conf(0, 0, 0, gpio_bits)
* @brief Disable GPIO module interrupt signal
*
* @param gpio_num GPIO number. If you want to disable the interrupt of e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_intr_disable(gpio_num_t gpio_num);
/**
* @brief Enable GPIO pin output.
*
* @param gpio_bits : The GPIO bit number.
*
* @return null
*/
#define GPIO_AS_OUTPUT(gpio_bits) gpio_output_conf(0, 0, gpio_bits, 0)
* @brief GPIO set output level
*
* @param gpio_num GPIO number. If you want to set the output level of e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16);
* @param level Output level. 0: low ; 1: high
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG GPIO number error
*/
esp_err_t gpio_set_level(gpio_num_t gpio_num, uint32_t level);
/**
* @brief Sample the level of GPIO input.
*
* @param gpio_no : The GPIO sequence number.
*
* @return the level of GPIO input
*/
#define GPIO_INPUT_GET(gpio_no) ((gpio_input_get()>>gpio_no)&BIT(0))
* @brief GPIO get input level
*
* @note If the pad is not configured for input (or input and output) the returned value is always 0.
*
* @param gpio_num GPIO number. If you want to get the logic level of e.g. pin GPIO16, gpio_num should be GPIO_NUM_16 (16);
*
* @return
* - 0 the GPIO input level is 0
* - 1 the GPIO input level is 1
*/
int gpio_get_level(gpio_num_t gpio_num);
/**
* @brief Enable GPIO16 output.
*
* @param null
*
* @return null
*/
void gpio16_output_conf(void);
* @brief GPIO set direction
*
* Configure GPIO direction,such as output_only,input_only
*
* @param gpio_num Configure GPIO pins number, it should be GPIO number. If you want to set direction of e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16);
* @param mode GPIO direction
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG GPIO error
*/
esp_err_t gpio_set_direction(gpio_num_t gpio_num, gpio_mode_t mode);
/**
* @brief Set GPIO16 output level.
*
* @param uint8_t value : GPIO16 output level.
*
* @return null
*/
void gpio16_output_set(uint8_t value);
* @brief Configure GPIO pull-up/pull-down resistors
*
* @param gpio_num GPIO number. If you want to set pull up or down mode for e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16);
* @param pull GPIO pull up/down mode.
*
* @note The GPIO of esp8266 can not be pulled down except RTC GPIO which can not be pulled up.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG : Parameter error
*/
esp_err_t gpio_set_pull_mode(gpio_num_t gpio_num, gpio_pull_mode_t pull);
/**
* @brief Enable GPIO pin intput.
* @brief Enable GPIO wake-up function.
*
* @note RTC IO can not use the wakeup function
*
* @param null
* @param gpio_num GPIO number.
*
* @return null
* @param intr_type GPIO wake-up type. Only GPIO_INTR_LOW_LEVEL or GPIO_INTR_HIGH_LEVEL can be used.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
void gpio16_input_conf(void);
esp_err_t gpio_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type);
/**
* @brief Sample the value of GPIO16 input.
* @brief Disable GPIO wake-up function.
*
* @param null
* @note RTC IO can not use the wakeup function
*
* @param gpio_num GPIO number
*
* @return the level of GPIO16 input.
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
uint8_t gpio16_input_get(void);
esp_err_t gpio_wakeup_disable(gpio_num_t gpio_num);
/**
* @brief Configure Gpio pins out or input.
*
* @param uint32_t set_mask : Set the output for the high bit, the
* corresponding bit is 1, the output of high,
* the corresponding bit is 0, do not change the state.
* @param uint32_t set_mask : Set the output for the high bit, the
* corresponding bit is 1, the output of low,
* the corresponding bit is 0, do not change the state.
* @param uint32_t enable_mask : Enable Output
* @param uint32_t disable_mask : Enable Input
*
* @return null
*/
void gpio_output_conf(uint32_t set_mask, uint32_t clear_mask, uint32_t enable_mask, uint32_t disable_mask);
* @brief Register GPIO interrupt handler, the handler is an ISR.
*
* This ISR function is called whenever any GPIO interrupt occurs. See
* the alternative gpio_install_isr_service() and
* gpio_isr_handler_add() API in order to have the driver support
* per-GPIO ISRs.
*
* @param fn Interrupt handler function.
* @param no_use In order to be compatible with esp32, the parameter has no practical meaning and can be filled with 0.
* @param arg Parameter for handler function
* @param handle Pointer to return handle. In order to be compatible with esp32,the parameter has no practical meaning and can be filled with NULL.
*
* @return
* - ESP_OK Success ;
* - ESP_ERR_INVALID_ARG GPIO error
* - ESP_ERR_NOT_FOUND No free interrupt found with the specified flags
*/
esp_err_t gpio_isr_register(void (*fn)(void *), void *arg, int no_use, gpio_isr_handle_t *handle);
/**
* @brief Register an application-specific interrupt handler for GPIO pin interrupts.
* @brief Enable pull-up on GPIO.
*
* @param void *fn:interrupt handler for GPIO pin interrupts.
* @param void *arg:interrupt handler's arg
* @param gpio_num GPIO number
*
* @return null
* @note The GPIO of esp8266 can not be pulled down except RTC GPIO which can not be pulled up.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
void gpio_intr_handler_register(void* fn, void* arg);
esp_err_t gpio_pullup_en(gpio_num_t gpio_num);
/**
* @brief Configure GPIO wake up to light sleep,Only level way is effective.
* @brief Disable pull-up on GPIO.
*
* @param uint32_t i : Gpio sequence number
* @param GPIO_INT_TYPE intr_state : the level of wake up to light sleep
* @param gpio_num GPIO number
*
* @return null
* @note The GPIO of esp8266 can not be pulled down except RTC GPIO which can not be pulled up.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
void gpio_pin_wakeup_enable(uint32_t i, GPIO_INT_TYPE intr_state);
esp_err_t gpio_pullup_dis(gpio_num_t gpio_num);
/**
* @brief Disable GPIO wake up to light sleep.
* @brief Enable pull-down on GPIO.
*
* @param null
* @param gpio_num GPIO number
*
* @return null
* @note The GPIO of esp8266 can not be pulled down except RTC GPIO which can not be pulled up.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
void gpio_pin_wakeup_disable();
esp_err_t gpio_pulldown_en(gpio_num_t gpio_num);
/**
* @brief Config interrupt types of GPIO pin.
* @brief Disable pull-down on GPIO.
*
* @param uint32_t i : The GPIO sequence number.
* @param GPIO_INT_TYPE intr_state : GPIO interrupt types.
* @param gpio_num GPIO number
*
* @return null
* @note The GPIO of esp8266 can not be pulled down except RTC GPIO which can not be pulled up.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
void gpio_pin_intr_state_set(uint32_t i, GPIO_INT_TYPE intr_state);
esp_err_t gpio_pulldown_dis(gpio_num_t gpio_num);
/**
* @brief Sample the value of GPIO input pins and returns a bitmask.
* @brief Install the driver's GPIO ISR handler service, which allows per-pin GPIO interrupt handlers.
*
* @param null
* This function is incompatible with gpio_isr_register() - if that function is used, a single global ISR is registered for all GPIO interrupts. If this function is used, the ISR service provides a global GPIO ISR and individual pin handlers are registered via the gpio_isr_handler_add() function.
*
* @return bitmask of GPIO pins input
* @param no_use In order to be compatible with esp32, the parameter has no practical meaning and can be filled with 0.
*
* @return
* - ESP_OK Success
* - ESP_ERR_NO_MEM No memory to install this service
* - ESP_ERR_INVALID_STATE ISR service already installed.
* - ESP_ERR_NOT_FOUND No free interrupt found with the specified flags
* - ESP_ERR_INVALID_ARG GPIO error
*/
uint32_t gpio_input_get(void);
esp_err_t gpio_install_isr_service(int no_use);
/**
* @}
* @brief Uninstall the driver's GPIO ISR service, freeing related resources.
*/
void gpio_uninstall_isr_service();
/**
* @}
* @brief Add ISR handler for the corresponding GPIO pin.
*
* Call this function after using gpio_install_isr_service() to
* install the driver's GPIO ISR handler service.
*
* This ISR handler will be called from an ISR. So there is a stack
* size limit (configurable as "ISR stack size" in menuconfig). This
* limit is smaller compared to a global GPIO interrupt handler due
* to the additional level of indirection.
*
* @param gpio_num GPIO number
* @param isr_handler ISR handler function for the corresponding GPIO number.
* @param args parameter for ISR handler.
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_STATE Wrong state, the ISR service has not been initialized.
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_isr_handler_add(gpio_num_t gpio_num, gpio_isr_t isr_handler, void *args);
/**
* @brief Remove ISR handler for the corresponding GPIO pin.
*
* @param gpio_num GPIO number
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_STATE Wrong state, the ISR service has not been initialized.
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_isr_handler_remove(gpio_num_t gpio_num);
#ifdef __cplusplus
}
#endif
#endif
#endif /* _DRIVER_GPIO_H_ */