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GPIO16 support.

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This commit is contained in:
ourairquality 2016-08-30 21:22:05 +10:00
parent c9851e9253
commit c52890eed7
2 changed files with 27 additions and 4 deletions
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17
core/esp_gpio.c
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@ -5,9 +5,26 @@
* BSD Licensed as described in the file LICENSE
*/
#include <esp/gpio.h>
#include <esp/rtc_regs.h>
void gpio_enable(const uint8_t gpio_num, const gpio_direction_t direction)
{
if (gpio_num == 16) {
RTC.GPIO_CFG[3] = (RTC.GPIO_CFG[3] & 0xffffffbc) | 1;
RTC.GPIO_CONF = (RTC.GPIO_CONF & 0xfffffffe) | 0;
switch (direction) {
case GPIO_INPUT:
RTC.GPIO_ENABLE = (RTC.GPIO_OUT & 0xfffffffe);
break;
case GPIO_OUTPUT:
case GPIO_OUT_OPEN_DRAIN:
/* TODO open drain? */
RTC.GPIO_ENABLE = (RTC.GPIO_OUT & 0xfffffffe) | 1;
break;
}
return;
}
switch (direction) {
case GPIO_INPUT:
GPIO.ENABLE_OUT_CLEAR = BIT(gpio_num);