Add analogRead, touchRead, dacWrite and updated esp-idf

This commit is contained in:
me-no-dev
2016-12-08 23:43:41 +02:00
parent 48abb79ed3
commit 758553a786
56 changed files with 4416 additions and 3272 deletions

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// Copyright 2015-2016 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.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _DRIVER_ADC_H_
#define _DRIVER_ADC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "esp_err.h"
typedef enum {
ADC_ATTEN_0db = 0, /*!<The input voltage of ADC will be reduced to about 1/1 */
ADC_ATTEN_2_5db = 1, /*!<The input voltage of ADC will be reduced to about 1/1.34 */
ADC_ATTEN_6db = 2, /*!<The input voltage of ADC will be reduced to about 1/2 */
ADC_ATTEN_11db = 3, /*!<The input voltage of ADC will be reduced to about 1/3.6*/
} adc_atten_t;
typedef enum {
ADC_WIDTH_9Bit = 0, /*!< ADC capture width is 9Bit*/
ADC_WIDTH_10Bit = 1, /*!< ADC capture width is 10Bit*/
ADC_WIDTH_11Bit = 2, /*!< ADC capture width is 11Bit*/
ADC_WIDTH_12Bit = 3, /*!< ADC capture width is 12Bit*/
} adc_bits_width_t;
typedef enum {
ADC1_CHANNEL_0 = 0, /*!< ADC1 channel 0 is GPIO36 */
ADC1_CHANNEL_1, /*!< ADC1 channel 1 is GPIO37 */
ADC1_CHANNEL_2, /*!< ADC1 channel 2 is GPIO38 */
ADC1_CHANNEL_3, /*!< ADC1 channel 3 is GPIO39 */
ADC1_CHANNEL_4, /*!< ADC1 channel 4 is GPIO32 */
ADC1_CHANNEL_5, /*!< ADC1 channel 5 is GPIO33 */
ADC1_CHANNEL_6, /*!< ADC1 channel 6 is GPIO34 */
ADC1_CHANNEL_7, /*!< ADC1 channel 7 is GPIO35 */
ADC1_CHANNEL_MAX,
} adc1_channel_t;
/**
* @brief Configuration ADC1 capture width.
*
* The configuration is in effect for all channels of ADC1
*
* @param width_bit ADC1
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t adc1_config_width(adc_bits_width_t width_bit);
/**
* @brief Configuration ADC1 capture attenuation of channels.
*
* @param channel the ADC1 channel
* @param atten attenuation
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t adc1_config_channel_atten(adc1_channel_t channel, adc_atten_t atten);
/**
* @brief ADC1 get the value of the voltage.
*
* @param channel the ADC1 channel
*
* @return
* - -1 Parameter error
* - Other the value of ADC1 channel
*/
int adc1_get_voltage(adc1_channel_t channel);
/**
* @brief Hall Sensor output value.
* @note
* The Hall Sensor uses Channel_0 and Channel_3 of ADC1.
* So, firstly: please configure ADC1 module by calling adc1_config_width before calling hall_sensor_read.
We recommend that the WIDTH ADC1 be configured as 12Bit, because the values of hall_sensor_read are small and almost the same if WIDTH ADC1 is configured as 9Bit, 10Bit or 11Bit.
* secondly: when you use the hall sensor, please do not use Channel_0 and Channel_3 of ADC1 as
* ADC channels.
*
* @return the value of hall sensor
*/
int hall_sensor_read();
/**
*----------EXAMPLE TO USE ADC1------------ *
* @code{c}
* adc1_config_width(ADC_WIDTH_12Bit);//config adc1 width
* adc1_config_channel_atten(ADC1_CHANNEL_0,ADC_ATTEN_0db);//config channel0 attenuation
* int val=adc1_get_voltage(ADC1_CHANNEL_0);//get the val of channel0
* @endcode
**/
/**
*----------EXAMPLE TO USE HALL SENSOR------------ *
* @code{c}
* adc1_config_width(ADC_WIDTH_12Bit);//config adc1 width
* int val=hall_sensor_read();
* @endcode
**/
#ifdef __cplusplus
}
#endif
#endif /*_DRIVER_ADC_H_*/

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// Copyright 2015-2016 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.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _DRIVER_DAC_H_
#define _DRIVER_DAC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "esp_err.h"
typedef enum {
DAC_CHANNEL_1 = 1, /*!< DAC channel 1 is GPIO25 */
DAC_CHANNEL_2, /*!< DAC channel 2 is GPIO26 */
DAC_CHANNEL_MAX,
} dac_channel_t;
/**
* @brief Set Dac output voltage.
*
* Dac width is 8bit ,and the voltage max is vdd
*
* @param channel dac channel
* @param dac_value dac output value
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t dac_out_voltage(dac_channel_t channel, uint8_t dac_value);
/**
*----------EXAMPLE TO USE DAC------------ *
* @code{c}
* dac_out_voltage(DAC_CHANNEL_1,200);//the dac out voltage ≈ 200*vdd/255
* @endcode
**/
#ifdef __cplusplus
}
#endif
#endif /*_DRIVER_DAC_H_*/

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@ -117,32 +117,6 @@ extern const uint32_t GPIO_PIN_MUX_REG[GPIO_PIN_COUNT];
#define GPIO_IS_VALID_GPIO(gpio_num) ((gpio_num < GPIO_PIN_COUNT && GPIO_PIN_MUX_REG[gpio_num] != 0)) //to decide whether it is a valid GPIO number
#define GPIO_IS_VALID_OUTPUT_GPIO(gpio_num) ((GPIO_IS_VALID_GPIO(gpio_num)) && (gpio_num < 34)) //to decide whether it can be a valid GPIO number of output mode
/**
* @brief Pullup/pulldown information for a single GPIO pad
*/
typedef struct {
uint32_t reg; /*!< Register to modify to enable or disable pullups or pulldowns */
uint32_t pu; /*!< Bit to set or clear in the above register to enable or disable the pullup, respectively */
uint32_t pd; /*!< Bit to set or clear in the above register to enable or disable the pulldown, respectively */
} gpio_pu_pd_desc_t;
/**
* Per-GPIO pullup/pulldown information
* On the ESP32, some GPIOs need their pullups and pulldowns enabled and disabled in the RTC
* peripheral instead of in the GPIO peripheral. This array documents for every GPIO what bit
* to set or clear.
*
* This array is non-static, so if you need a very quick way of toggling the pull-up/downs, you can just
* do e.g. REG_SET_BIT(gpio_pu_pd_desc[gpio_num].reg, gpio_pu_pd_desc[gpio_num].pu); inline.
*
* ToDo: Functions using the contents of this array will do a read/modify/write on GPIO as well as RTC
* registers. We may need to look into muxes/locks for other code that accesses these RTC registers when we
* write drivers for the RTC stuff.
*/
extern const gpio_pu_pd_desc_t gpio_pu_pd_desc[GPIO_PIN_COUNT];
typedef enum {
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */

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@ -27,9 +27,9 @@ typedef enum {
} pcnt_ctrl_mode_t;
typedef enum {
PCNT_COUNT_DIS = 0, /*!< Counter mode: Decrease counter value*/
PCNT_COUNT_DIS = 0, /*!< Counter mode: Inhibit counter(counter value will not change in this condition)*/
PCNT_COUNT_INC = 1, /*!< Counter mode: Increase counter value*/
PCNT_COUNT_DEC = 2, /*!< Counter mode: Inhibit counter(counter value will not change in this condition)*/
PCNT_COUNT_DEC = 2, /*!< Counter mode: Decrease counter value*/
PCNT_COUNT_MAX
} pcnt_count_mode_t;
@ -45,7 +45,7 @@ typedef enum {
PCNT_UNIT_MAX,
} pcnt_unit_t;
typedef enum{
typedef enum {
PCNT_CHANNEL_0 = 0x00, /*!< PCNT channel0 */
PCNT_CHANNEL_1 = 0x01, /*!< PCNT channel1 */
PCNT_CHANNEL_MAX,

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// Copyright 2015-2016 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.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _DRIVER_RTC_GPIO_H_
#define _DRIVER_RTC_GPIO_H_
#include <stdint.h>
#include "esp_err.h"
#include "driver/gpio.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Pullup/pulldown information for a single GPIO pad
*/
typedef struct {
uint32_t reg; /*!< Register of Rtc Pad */
uint32_t mux; /*!< Mux seletct the Rtc pad is Digital Pad or Rtc pad */
uint32_t func; /*!< Select Rtc Pad Func */
uint32_t ie; /*!< Input Enable */
uint32_t pullup; /*!< Pullup Enable */
uint32_t pulldown; /*!< PullDown Enable */
int rtc_num; /*!< The Rtc number */
} rtc_gpio_desc_t;
typedef enum {
RTC_GPIO_MODE_INPUT_ONLY , /*!< Pad output */
RTC_GPIO_MODE_OUTPUT_ONLY, /*!< Pad input */
RTC_GPIO_MODE_INPUT_OUTUT, /*!< Pad pull output + input */
RTC_GPIO_MODE_DISABLED, /*!< Pad (output + input) disable */
} rtc_gpio_mode_t;
#define RTC_GPIO_IS_VALID_GPIO(gpio_num) ((gpio_num < GPIO_PIN_COUNT && rtc_gpio_desc[gpio_num].reg != 0)) //to decide whether it is a valid GPIO number
extern const rtc_gpio_desc_t rtc_gpio_desc[GPIO_PIN_COUNT] ;
/*
* @brief Init a gpio as rtc gpio
*
* when init a pad as analog function,need to call this funciton
*
* @param gpio_num gpio_num GPIO number. If you want to set the trigger type of e.g. of GPIO16, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t rtc_gpio_init(gpio_num_t gpio_num);
/**
* @brief Init a gpio as digital gpio
*
* @param gpio_num gpio_num GPIO number. If you want to set the trigger type of e.g. of GPIO16, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t rtc_gpio_deinit(gpio_num_t gpio_num);
/**
* @brief Get the rtc io input level
*
* @param gpio_num gpio_num GPIO number. If you want to set the trigger type of e.g. of GPIO16, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - 1 High level
* - 0 Low level
*/
uint32_t rtc_gpio_get_level(gpio_num_t gpio_num);
/**
* @brief Set the rtc io output level
*
* @param gpio_num GPIO number. If you want to set the trigger type of e.g. of GPIO16, gpio_num should be GPIO_NUM_12 (12);
* @param level output level;
*
* @return
* - 1 High level
* - 0 Low level
*/
esp_err_t rtc_gpio_set_level(gpio_num_t gpio_num, uint32_t level);
/**
* @brief Rtc gpio set direction
*
* Configure Rtc gpio direction,such as output_only,input_only,output_and_input
*
* @param gpio_num Configure GPIO pins number, it should be GPIO number. If you want to set direction of e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
* @param mode GPIO direction
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG GPIO error
*/
esp_err_t rtc_gpio_set_direction(gpio_num_t gpio_num, rtc_gpio_mode_t mode);
/**
* @brief Rtc gpio pullup enable
*
* If the user needs to configure the GPIO pull ,Please call gpio_set_pull_mode.This function will be called in gpio_set_pull
*
* @param gpio_num GPIO number. If you want to set pull up or down mode for e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - True the gpio number is Rts pad
* - False the gpio number is Digital pad
*/
esp_err_t rtc_gpio_pullup_en(gpio_num_t gpio_num);
/**
* @brief Rtc gpio pulldown enable
*
* If the user needs to configure the GPIO pull ,Please call gpio_set_pull_mode.This function will be called in gpio_set_pull
*
* @param gpio_num GPIO number. If you want to set pull up or down mode for e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - True the gpio number is Rts pad
* - False the gpio number is Digital pad
*/
esp_err_t rtc_gpio_pulldown_en(gpio_num_t gpio_num);
/**
* @brief Rtc gpio pullup clear
*
* If the user needs to configure the GPIO pull ,Please call gpio_set_pull_mode.This function will be called in gpio_set_pull
*
* @param gpio_num GPIO number. If you want to set pull up or down mode for e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - True the gpio number is Rts pad
* - False the gpio number is Digital pad
*/
esp_err_t rtc_gpio_pullup_dis(gpio_num_t gpio_num);
/**
* @brief Rtc gpio pulldown clear
*
* If the user needs to configure the GPIO pull ,Please call gpio_set_pull_mode.This function will be called in gpio_set_pull
*
* @param gpio_num GPIO number. If you want to set pull up or down mode for e.g. GPIO12, gpio_num should be GPIO_NUM_12 (12);
*
* @return
* - True the gpio number is Rts pad
* - False the gpio number is Digital pad
*/
esp_err_t rtc_gpio_pulldown_dis(gpio_num_t gpio_num);
#ifdef __cplusplus
}
#endif
#endif

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// Copyright 2015-2016 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.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _DRIVER_TOUCH_PAD_H_
#define _DRIVER_TOUCH_PAD_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "esp_intr.h"
#include "esp_err.h"
#define TOUCH_PAD_SLEEP_CYCLE_CONFIG (0x1000)//The Time is 150Khz,the Max value is 0xffff
#define TOUCH_PAD_MEASURE_CYCLE_CONFIG (0xffff)//The Time is 8Mhz,the Max value is 0xffff
typedef enum {
TOUCH_PAD_NUM0 = 0, /*!< Touch pad channel 0 is GPIO4 */
TOUCH_PAD_NUM1, /*!< Touch pad channel 0 is GPIO0 */
TOUCH_PAD_NUM2, /*!< Touch pad channel 0 is GPIO2 */
TOUCH_PAD_NUM3, /*!< Touch pad channel 0 is GPIO15 */
TOUCH_PAD_NUM4, /*!< Touch pad channel 0 is GPIO13 */
TOUCH_PAD_NUM5, /*!< Touch pad channel 0 is GPIO12 */
TOUCH_PAD_NUM6, /*!< Touch pad channel 0 is GPIO14 */
TOUCH_PAD_NUM7, /*!< Touch pad channel 0 is GPIO27*/
TOUCH_PAD_NUM8, /*!< Touch pad channel 0 is GPIO33*/
TOUCH_PAD_NUM9, /*!< Touch pad channel 0 is GPIO32*/
TOUCH_PAD_MAX,
} touch_pad_t;
/**
* @brief Initialize touch module.
*
*This function int touch pad module ,enable touch module
*
* @return None
*
*/
void touch_pad_init();
/**
* @brief Configure touch pad interrupt threshold.
*
*
* @param[in] touch_num : config touch num
*
* @param[in] threshold : interrupt threshold ,When the touch_pad_register less than threshold,
* will trigger the touch interrupt.User can use touch_pad_read function
* to determine the threshold.
*
* @return - ESP_OK Success
* - ESP_ERR_INVALID_ARG Touch pad error
*
*/
esp_err_t touch_pad_config(touch_pad_t touch_num, uint16_t threshold);
/**
* @brief get touch pad touch_pad_register counter.
*
*User can use this function to determine the the interrupt threshold .When you do not touch the
*pad ,read the touch_pad_read number(NumNotTouch) by the touch_pad_register.When you touch the pad ,read the touch_pad_register
*number(NumTouch) by the touch_pad_read.Normal NumNotTouch>NumTouch,so you can select a interrupt threshold.
*
* @param[in] touch_num : touch num
* @param[out] touch_value : touch output value
*
* @return - ESP_OK Success
* - ESP_ERR_INVALID_ARG Touch pad error
*
*/
esp_err_t touch_pad_read(touch_pad_t touch_num, uint16_t * touch_value);
/**
* @brief register TouchPad interrupt handler, the handler is an ISR.
* The handler will be attached to the same CPU core that this function is running on.
* @note
* Users should know that which CPU is running and then pick a INUM that is not used by system.
* We can find the information of INUM and interrupt level in soc.h.
*
* @param touch_intr_num Touch interrupt number,check the info in soc.h, and please see the core-isa.h for more details
* @param fn Interrupt handler function.
*
* @note
* Note that the handler function MUST be defined with attribution of "IRAM_ATTR".
*
* @param arg Parameter for handler function
*
* @return
* - ESP_OK Success ;
* - ESP_ERR_INVALID_ARG GPIO error
*/
esp_err_t touch_pad_isr_handler_register(uint32_t touch_intr_num, void(*fn)(void*), void *arg);
/**
* *************** ATTENTION ********************/
/**
*@attention
*Touch button is through the body's capacitive characteristics,
*there is a charge discharge circuit inside the. When the hands touch,
*the charge and discharge time will be slow.
*Because of the different hardware, each pad needs to be calibrated at the factory.
*We use touch_pad_read to determine factory parament.
*/
/**
*----------EXAMPLE TO CONIFGURE GPIO AS OUTPUT ------------ *
* @code{c}
* touch_pad_init();
* void taskA(void* arg)
* {
* for(;;){
* vtaskDelay(20/portTICK_PERIOD_MS);
* ets_printf("tocuch pad value %u\n",touch_pad_read(0));//Take the touched status and untouched status value
* }
* }
* @endcode
**/
/**
*----------EXAMPLE TO SET ISR HANDLER ----------------------
* @code{c}
* //the first parameter is INUM, you can pick one form interrupt level 1/2 which is not used by the system.
* touch_pad_isr_handler_register(19,rtc_intr,NULL); //hook the isr handler for TouchPad interrupt
* @endcode
* @note
* 1. user should arrange the INUMs that used, better not to use a same INUM for different interrupt.
* 2. do not pick the INUM that already occupied by the system.
* 3. refer to soc.h to check which INUMs that can be used.
*/
/**
*----------EXAMPLE TO USE TOUCH_PAD------------ *
* @code{c}
* touch_pad_init();//only init one time
* touch_pad_config(0,300);//set the intr threshold,use touch_pad_read to determine this threshold
* touch_pad_isr_handler_register(19,rtc_intr,NULL)
* #include "esp_attr.h"
* void IRAM_ATTR rtc_intr(void * arg)
* {
* uint32_t pad_intr = READ_PERI_REG(SARADC_SAR_TOUCH_CTRL2_REG) & 0x3ff;
* uint8_t i = 0;
* uint32_t rtc_intr = READ_PERI_REG(RTC_CNTL_INT_ST_REG);
* WRITE_PERI_REG(RTC_CNTL_INT_CLR_REG, rtc_intr);
* SET_PERI_REG_MASK(SARADC_SAR_TOUCH_CTRL2_REG, SARADC_TOUCH_MEAS_EN_CLR);
* if (rtc_intr & RTC_CNTL_TOUCH_INT_ST) {
* for (i = 0; i < TOUCH_PAD_MAX; ++i) {
* if ((pad_intr >> i) & 0x01) {
* ets_printf("touch pad intr %u\n",i);
* }
* }
* }
* }
* @endcode
**/
#ifdef __cplusplus
}
#endif
#endif/*_DRIVER_TOUCH_PAD_H_*/