// See the License for the specific language governing permissions and\r
// limitations under the License.\r
#include <esp_types.h>\r
-#include "rom/ets_sys.h"\r
#include "esp_err.h"\r
#include "esp_intr.h"\r
#include "freertos/FreeRTOS.h"\r
#include "freertos/xtensa_api.h"\r
-#include "soc/soc.h"\r
#include "driver/gpio.h"\r
+#include "soc/soc.h"\r
\r
//TODO: move debug options to menuconfig\r
#define GPIO_DBG_ENABLE (0)\r
{\r
if(!is_valid_gpio(gpio_num))\r
return ESP_ERR_INVALID_ARG;\r
- if(intr_type >= GPIO_PIN_INTR_MAX) {\r
+ if(intr_type >= GPIO_INTR_MAX) {\r
GPIO_ERROR("Unknown GPIO intr:%u\n",intr_type);\r
return ESP_ERR_INVALID_ARG;\r
}\r
return ESP_OK;\r
}\r
\r
-esp_err_t gpio_intr_handler_register(uint32_t gpio_intr_num, void (*fn)(void*), void * arg)\r
+esp_err_t gpio_isr_register(uint32_t gpio_intr_num, void (*fn)(void*), void * arg)\r
{\r
if(fn == NULL)\r
return ESP_ERR_INVALID_ARG;\r
}\r
\r
/*only level interrupt can be used for wake-up function*/\r
-esp_err_t gpio_pin_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type)\r
+esp_err_t gpio_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type)\r
{\r
if(!is_valid_gpio(gpio_num))\r
return ESP_ERR_INVALID_ARG;\r
esp_err_t ret = ESP_OK;\r
- if((intr_type == GPIO_PIN_INTR_LOW_LEVEL) || (intr_type == GPIO_PIN_INTR_HIGH_LEVEL)) {\r
+ if((intr_type == GPIO_INTR_LOW_LEVEL) || (intr_type == GPIO_INTR_HIGH_LEVEL)) {\r
GPIO.pin[gpio_num].int_type = intr_type;\r
GPIO.pin[gpio_num].wakeup_enable = 0x1;\r
} else {\r
return ret;\r
}\r
\r
-esp_err_t gpio_pin_wakeup_disable(gpio_num_t gpio_num)\r
+esp_err_t gpio_wakeup_disable(gpio_num_t gpio_num)\r
{\r
if(!is_valid_gpio(gpio_num))\r
return ESP_ERR_INVALID_ARG;\r
#include "soc/gpio_struct.h"
#include "soc/rtc_io_reg.h"
#include "soc/io_mux_reg.h"
+#include "rom/gpio.h"
#include "esp_attr.h"
#ifdef __cplusplus
#define GPIO_PRO_CPU_NMI_INTR_ENA (BIT(3))
#define GPIO_SDIO_EXT_INTR_ENA (BIT(4))
-#define GPIO_PIN_COUNT 40
-#define GPIO_ID_PIN0 0
-#define GPIO_ID_PIN(n) (GPIO_ID_PIN0 + (n))
-#define GPIO_PIN_ADDR(i) (GPIO_PIN0_REG + i * 4)
-
#define GPIO_MODE_DEF_INPUT (BIT0)
#define GPIO_MODE_DEF_OUTPUT (BIT1)
#define GPIO_MODE_DEF_OD (BIT2)
+#define GPIO_PIN_COUNT 40
extern const uint32_t GPIO_PIN_MUX_REG[GPIO_PIN_COUNT];
typedef enum {
} gpio_num_t;
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 : both rising and falling edge */
- GPIO_PIN_INTR_LOW_LEVEL = 4, /* GPIO interrupt type : input low level trigger */
- GPIO_PIN_INTR_HIGH_LEVEL = 5, /* GPIO interrupt type : input high level trigger */
- GPIO_PIN_INTR_MAX,
+ 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 {
esp_err_t gpio_set_pull_mode(gpio_num_t gpio_num, gpio_pull_mode_t pull);
/**
- * @brief bind input signal to the GPIO
- *
- * bind input signal to the GPIO,when you want to bind the signal to the GPIO
- * First , configure the pad as GPIO,use the gpio_config function or pin_func_as_gpio function
- * Second , enable the GPIO input,if you use pin_func_as_gpio,you can use gpio_set_direction function
- * Third , call gpio_matrix_in function
- *
- * @parameter[in] GPIO : Configure GPIO pins number,it should be GPIO number.
- * If you want to configure GPIO16, gpio_num should be GPIO_NUM_16 (16);
- * @parameter[in] signal_idx : the signal_idx,find the signal index from gpio_sig_map.h
- *
- * @parameter[in] inverse : the signal input inverse, default inverse=0
- *
- * @return None
- *
- */
-void gpio_matrix_in(uint32_t GPIO, uint32_t signal_idx, bool inverse) ROMFN_ATTR;
+ * @brief enable GPIO wake-up function.
+ *
+ * @param gpio_num_t gpio_num : GPIO number.
+ *
+ * @param gpio_int_type_t intr_type : only GPIO_INTR_LOLEVEL\GPIO_INTR_HILEVEL can be used
+ *
+ * @return ESP_OK: success
+ * ESP_ERR_INVALID_ARG: parameter error
+ */
+esp_err_t gpio_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type);
/**
- * @brief bind output signal to the GPIO
- *
- * bind output signal to the GPIO,when you want to bind the signal to the GPIO
- * First , configure the pad as GPIO,use the gpio_config function or pin_func_as_gpio function
- * Second , enable the GPIO output,if you use pin_func_as_gpio,you can use gpio_set_direction function
- * Third , call gpio_matrix_out function
- *
- * @parameter[in] GPIO : Configure GPIO pins number,it should GPIO number.
- * If you want to configure GPIO16,gpio_num should be GPIO_NUM_16 (16);
- * @parameter[in] signal_idx : the signal_idx,find the signal index from gpio_sig_map.h
- *
- * @parameter[in] out_inv : the signal output inverse, default out_inv=0
- *
- * @parameter[in] oen_inv : the signal output enable inverse, default oen_inv=0
- *
- * @return None
- *
- */
-void gpio_matrix_out(uint32_t GPIO, uint32_t signal_idx, bool out_inv, bool oen_inv) ROMFN_ATTR;
+ * @brief disable GPIO wake-up function.
+ *
+ * @param gpio_num_t gpio_num: GPIO number
+ *
+ * @return ESP_OK: success
+ * ESP_ERR_INVALID_ARG: parameter error
+ */
+esp_err_t gpio_wakeup_disable(gpio_num_t gpio_num);
/**
* @brief register GPIO interrupt handler, the handler is an ISR.
* @parameter void * arg : parameter for handler function
*
* @return ESP_OK : success ;
- * ESP_FAIL: gpio_ error
+ * ESP_FAIL: gpio error
*/
-esp_err_t gpio_intr_handler_register(uint32_t gpio_intr_num, void (*fn)(void*), void * arg);
-
-
-
+esp_err_t gpio_isr_register(uint32_t gpio_intr_num, void (*fn)(void*), void * arg);
/**
* *************** ATTENTION ********************/
/**
*
- * Each GPIO have their separated registers, so we don't have to use
- * lock for multi-task issues.
- * Please make sure that there would be no such situation, in which,
- * different tasks read-then-write the same GPIO register.
+ * Each GPIO has its own separate configuration register, so we do not use
+ * a lock to serialize access to them. This works under the assumption that
+ * no situation will occur where two tasks try to configure the same GPIO
+ * pin simultaneously. It is up to the application developer to guarantee this.
*/
/*----------EXAMPLE TO CONIFGURE GPIO AS OUTPUT ------------ */
/* gpio_config_t io_conf;
- * io_conf.intr_type = GPIO_PIN_INTR_DISABLE; //disable interrupt
+ * io_conf.intr_type = GPIO_INTR_DISABLE; //disable interrupt
* io_conf.mode = GPIO_MODE_OUTPUT; //set as output mode
* io_conf.pin_bit_mask = GPIO_SEL_18 | GPIO_SEL_19; //bit mask of the pins that you want to set,e.g.GPIO18/19
* io_conf.pull_down_en = 0; //disable pull-down mode
* gpio_config(&io_conf); //configure GPIO with the given settings
**/
/*----------EXAMPLE TO CONIFGURE GPIO AS OUTPUT ------------ */
-/* io_conf.intr_type = GPIO_PIN_INTR_POSEDGE; //set posedge interrupt
+/* io_conf.intr_type = GPIO_INTR_POSEDGE; //set posedge interrupt
* io_conf.mode = GPIO_MODE_INPUT; //set as input
* io_conf.pin_bit_mask = GPIO_SEL_4 | GPIO_SEL_5; //bit mask of the pins that you want to set, e.g.,GPIO4/5
* io_conf.pull_down_en = 0; //disable pull-down mode
* io_conf.pull_up_en = 1; //enable pull-up mode
* gpio_config(&io_conf); //configure GPIO with the given settings
*----------EXAMPLE TO SET ISR HANDLER ----------------------*/
-/* gpio_intr_handler_register(18,gpio_intr_test,NULL); //hook the isr handler for GPIO interrupt
+/* gpio_isr_register(18,gpio_intr_test,NULL); //hook the isr handler for GPIO interrupt
* //the first parameter is INUM, you can pick one form interrupt level 1/2 which is not used by the system.
* //NOTE1:user should arrange the INUMs that used, better not to use a same INUM for different interrupt.
* //NOTE2:do not pick the INUM that already occupied by the system.
* do {
* if(gpio_num < 32) {
* if(gpio_intr_status & BIT(gpio_num)) { //gpio0-gpio31
- * ets_printf("Intr Gpio%d ,val: %d\n",gpio_num,gpio_get_level(gpio_num));
- * //This is a 'isr' handler, you should post an event to process it in RTOS queue.
+ * ets_printf("Intr GPIO%d ,val: %d\n",gpio_num,gpio_get_level(gpio_num));
+ * //This is an isr handler, you should post an event to process it in RTOS queue.
* }
* } else {
* if(gpio_intr_status_h & BIT(gpio_num - 32)) {
- * ets_printf("Intr Gpio%d, val : %d\n",gpio_num,gpio_get_level(gpio_num));
- * //This is a 'isr' handler, you should post an event to process it in RTOS queue.
+ * ets_printf("Intr GPIO%d, val : %d\n",gpio_num,gpio_get_level(gpio_num));
+ * //This is an isr handler, you should post an event to process it in RTOS queue.
* }
* }
* } while(++gpio_num < GPIO_PIN_COUNT);
*}
*----EXAMPLE OF I2C CONFIG AND PICK SIGNAL FOR IO MATRIX---*/
/* gpio_config_t io_conf;
- * io_conf.intr_type = GPIO_PIN_INTR_DISABLE; //disable interrupt
+ * io_conf.intr_type = GPIO_INTR_DISABLE; //disable interrupt
* io_conf.mode = GPIO_MODE_INPUT_OUTPUT_OD; //set as output mode
* io_conf.pin_bit_mask = GPIO_SEL_21 | GPIO_SEL_22; //bit mask of the pins that you want to set,e.g.GPIO21/22
* io_conf.pull_down_en = 0; //disable pull-down mode
projects / esp-idf / commitdiff