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driver(gpio): Modified the GPIO_CHECK's return value when ISR service already installed

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This commit is contained in:
kooho 2018-03-26 10:50:22 +08:00
parent da27816314
commit 8e1f930582
2 changed files with 5 additions and 2 deletions
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2
components/driver/gpio.c
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@ -403,7 +403,7 @@ esp_err_t gpio_isr_handler_remove(gpio_num_t gpio_num)
esp_err_t gpio_install_isr_service(int intr_alloc_flags)
{
GPIO_CHECK(gpio_isr_func == NULL, "GPIO isr service already installed", ESP_FAIL);
GPIO_CHECK(gpio_isr_func == NULL, "GPIO isr service already installed", ESP_ERR_INVALID_STATE);
esp_err_t ret;
portENTER_CRITICAL(&gpio_spinlock);
gpio_isr_func = (gpio_isr_func_t*) calloc(GPIO_NUM_MAX, sizeof(gpio_isr_func_t));

5
components/driver/include/driver/gpio.h
View File

@ -389,6 +389,7 @@ esp_err_t gpio_wakeup_disable(gpio_num_t gpio_num);
* @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 intr_alloc_flags, gpio_isr_handle_t *handle);
@ -446,8 +447,10 @@ esp_err_t gpio_pulldown_dis(gpio_num_t gpio_num);
*
* @return
* - ESP_OK Success
* - ESP_FAIL Operation fail
* - 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
*/
esp_err_t gpio_install_isr_service(int intr_alloc_flags);