Also add intr_alloc magic to rtc code

This commit is contained in:
Jeroen Domburg 2016-12-08 12:57:57 +08:00
parent 2c34ab3374
commit cb9ef19d3b
4 changed files with 28 additions and 33 deletions

View file

@ -19,6 +19,7 @@ extern "C" {
#endif
#include "esp_intr.h"
#include "esp_err.h"
#include "esp_intr_alloc.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 {
@ -34,6 +35,9 @@ typedef enum {
TOUCH_PAD_NUM9, /*!< Touch pad channel 0 is GPIO32*/
TOUCH_PAD_MAX,
} touch_pad_t;
typedef intr_handle_t touch_isr_handle_t;
/**
* @brief Initialize touch module.
*
@ -79,44 +83,40 @@ 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
* @param intr_alloc_flags Flags used to allocate the interrupt. One or multiple (ORred)
* ESP_INTR_FLAG_* values. See esp_intr_alloc.h for more info.
* @param handle Pointer to return handle. If non-NULL, a handle for the interrupt will
* be returned here.
*
* @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);
esp_err_t touch_pad_isr_handler_register(void(*fn)(void *), void *arg, int intr_alloc_flags, touch_isr_handle_t *handle);
/**
* *************** 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.
*/
*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 parameters.
*/
/**
*----------EXAMPLE TO CONIFGURE GPIO AS OUTPUT ------------ *
*----------EXAMPLE TO CONFIGURE 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
* ets_printf("touch pad value %u\n",touch_pad_read(0));//Take the touched status and untouched status value
* }
* }
* @endcode
@ -124,22 +124,17 @@ esp_err_t touch_pad_isr_handler_register(uint32_t touch_intr_num, void(*fn)(void
/**
*----------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
* touch_pad_isr_handler_register(rtc_intr,NULL, 0, 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)
* touch_pad_isr_handler_register(rtc_intr,NULL, 0, NULL)
* #include "esp_attr.h"
* void IRAM_ATTR rtc_intr(void * arg)
* void rtc_intr(void * arg)
* {
* uint32_t pad_intr = READ_PERI_REG(SARADC_SAR_TOUCH_CTRL2_REG) & 0x3ff;
* uint8_t i = 0;

View file

@ -264,15 +264,10 @@ esp_err_t rtc_gpio_pulldown_dis(gpio_num_t gpio_num)
/*---------------------------------------------------------------
Touch Pad
---------------------------------------------------------------*/
esp_err_t touch_pad_isr_handler_register(uint32_t touch_intr_num, void(*fn)(void *), void *arg)
esp_err_t touch_pad_isr_handler_register(void(*fn)(void *), void *arg, int intr_alloc_flags, touch_isr_handle_t *handle)
{
RTC_MODULE_CHECK(fn, "Touch_Pad ISR null", ESP_ERR_INVALID_ARG);
ESP_INTR_DISABLE(touch_intr_num);
intr_matrix_set(xPortGetCoreID(), ETS_RTC_CORE_INTR_SOURCE, touch_intr_num);
xt_set_interrupt_handler(touch_intr_num, fn, arg);
ESP_INTR_ENABLE(touch_intr_num);
return ESP_OK;
return esp_intr_alloc(ETS_RTC_CORE_INTR_SOURCE, intr_alloc_flags, fn, arg, handle);
}
static esp_err_t touch_pad_get_io_num(touch_pad_t touch_num, gpio_num_t *gpio_num)

@ -1 +1 @@
Subproject commit 5902a2229e5371aeea45c09e63ea5e233b58750f
Subproject commit 3a412c08af1ace47a58d1f8722a8fed5b8d3b944

View file

@ -93,6 +93,11 @@ CONFIG_SYSTEM_EVENT_QUEUE_SIZE=32
CONFIG_SYSTEM_EVENT_TASK_STACK_SIZE=2048
CONFIG_MAIN_TASK_STACK_SIZE=4096
CONFIG_NEWLIB_STDOUT_ADDCR=y
CONFIG_CONSOLE_UART_DEFAULT=y
# CONFIG_CONSOLE_UART_CUSTOM is not set
# CONFIG_CONSOLE_UART_NONE is not set
CONFIG_CONSOLE_UART_NUM=0
CONFIG_CONSOLE_UART_BAUDRATE=115200
CONFIG_ULP_COPROC_ENABLED=y
CONFIG_ULP_COPROC_RESERVE_MEM=512
# CONFIG_ESP32_PANIC_PRINT_HALT is not set