38 lines
855 B
C
38 lines
855 B
C
#include "ets_sys.h"
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#include "osapi.h"
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#include "gpio.h"
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#include "os_type.h"
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// ESP-12 modules have LED on GPIO2. Change to another GPIO
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// for other boards.
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static const int pin = 2;
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static volatile os_timer_t some_timer;
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void some_timerfunc(void *arg)
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{
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//Do blinky stuff
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if (GPIO_REG_READ(GPIO_OUT_ADDRESS) & (1 << pin))
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{
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// set gpio low
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gpio_output_set(0, (1 << pin), 0, 0);
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}
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else
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{
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// set gpio high
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gpio_output_set((1 << pin), 0, 0, 0);
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}
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}
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void ICACHE_FLASH_ATTR user_init()
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{
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// init gpio subsytem
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gpio_init();
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// configure UART TXD to be GPIO1, set as output
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PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_GPIO1);
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gpio_output_set(0, 0, (1 << pin), 0);
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// setup timer (500ms, repeating)
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os_timer_setfn(&some_timer, (os_timer_func_t *)some_timerfunc, NULL);
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os_timer_arm(&some_timer, 500, 1);
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}
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