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esp32: debounced button events

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This commit is contained in:
Andy Green 2017-05-21 07:38:49 +08:00
parent c28f436098
commit decbbc506b
1 changed files with 51 additions and 1 deletions
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52
lib/lws-plat-esp32.c
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@ -640,12 +640,15 @@ static const char *gapss_str[] = {
};
static romfs_t lws_esp32_romfs;
static TimerHandle_t leds_timer, scan_timer
static TimerHandle_t leds_timer, scan_timer, debounce_timer
#if !defined(CONFIG_LWS_IS_FACTORY_APPLICATION)
, mdns_timer
#endif
;
static enum lws_gapss gapss = LWS_GAPSS_INITIAL;
static char bdown;
#define GPIO_SW 14
struct esp32_file {
const struct inode *i;
@ -785,6 +788,29 @@ again:
return 0;
}
void __attribute__(( weak ))
lws_esp32_button(int down)
{
}
void IRAM_ATTR
gpio_irq(void *arg)
{
bdown ^= 1;
gpio_set_intr_type(GPIO_SW, GPIO_INTR_DISABLE);
xTimerStart(debounce_timer, 0);
lws_esp32_button(bdown);
}
static void lws_esp32_debounce_timer_cb(TimerHandle_t th)
{
if (bdown)
gpio_set_intr_type(GPIO_SW, GPIO_INTR_POSEDGE);
else
gpio_set_intr_type(GPIO_SW, GPIO_INTR_NEGEDGE);
}
static void lws_esp32_mdns_timer_cb(TimerHandle_t th)
{
uint64_t now = time_in_microseconds();
@ -1353,6 +1379,7 @@ lws_esp32_wlan_nvs_get(int retry)
return lws_esp32_force_ap;
}
void
lws_esp32_wlan_config(void)
{
@ -1362,6 +1389,7 @@ lws_esp32_wlan_config(void)
.speed_mode = LEDC_HIGH_SPEED_MODE,
.timer_num = LEDC_TIMER_0
};
int n;
ledc_timer_config(&ledc_timer);
@ -1373,6 +1401,9 @@ lws_esp32_wlan_config(void)
(TimerCallbackFunction_t)lws_esp32_leds_timer_cb);
scan_timer = xTimerCreate("lws_scan", pdMS_TO_TICKS(10000), 0, NULL,
(TimerCallbackFunction_t)lws_esp32_scan_timer_cb);
debounce_timer = xTimerCreate("lws_db", pdMS_TO_TICKS(100), 0, NULL,
(TimerCallbackFunction_t)lws_esp32_debounce_timer_cb);
#if !defined(CONFIG_LWS_IS_FACTORY_APPLICATION)
mdns_timer = xTimerCreate("lws_mdns", pdMS_TO_TICKS(5000), 0, NULL,
(TimerCallbackFunction_t)lws_esp32_mdns_timer_cb);
@ -1380,6 +1411,25 @@ lws_esp32_wlan_config(void)
scan_timer_exists = 1;
xTimerStart(leds_timer, 0);
*(volatile uint32_t *)PERIPHS_IO_MUX_MTMS_U = FUNC_MTMS_GPIO14;
gpio_output_set(0, 0, 0, (1 << GPIO_SW));
n = gpio_install_isr_service(0);
if (!n) {
gpio_config_t c;
c.intr_type = GPIO_INTR_NEGEDGE;
c.mode = GPIO_MODE_INPUT;
c.pin_bit_mask = 1 << GPIO_SW;
c.pull_down_en = 0;
c.pull_up_en = 0;
gpio_config(&c);
if (gpio_isr_handler_add(GPIO_SW, gpio_irq, NULL))
lwsl_notice("isr handler add for 14 failed\n");
} else
lwsl_notice("failed to install gpio isr service: %d\n", n);
lws_esp32_wlan_nvs_get(0);
tcpip_adapter_init();