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Add esp/iomux_regs.h

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This commit is contained in:
Alex Stewart 2015-08-18 17:38:31 -07:00
parent 3eee1a9845
commit 2ffd3da71e
7 changed files with 197 additions and 180 deletions
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10
core/include/esp/gpio.h
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@ -35,15 +35,15 @@ INLINED void gpio_enable(const uint8_t gpio_num, const gpio_direction_t directio
ctrl_val = GPIO_SOURCE_GPIO;
break;
case GPIO_OUTPUT:
iomux_flags = IOMUX_OE;
iomux_flags = IOMUX_PIN_OUTPUT_ENABLE;
ctrl_val = GPIO_DRIVE_PUSH_PULL|GPIO_SOURCE_GPIO;
break;
case GPIO_OUT_OPEN_DRAIN:
iomux_flags = IOMUX_OE;
iomux_flags = IOMUX_PIN_OUTPUT_ENABLE;
ctrl_val = GPIO_DRIVE_OPEN_DRAIN|GPIO_SOURCE_GPIO;
break;
case GPIO_INPUT_PULLUP:
iomux_flags = IOMUX_PU;
iomux_flags = IOMUX_PIN_PULLUP;
ctrl_val = GPIO_SOURCE_GPIO;
}
iomux_set_gpio_function(gpio_num, iomux_flags);
@ -57,12 +57,12 @@ INLINED void gpio_enable(const uint8_t gpio_num, const gpio_direction_t directio
/* Disable GPIO on the specified pin, and set it Hi-Z.
*
* If later muxing this pin to a different function, make sure to set
* IOMUX_OE if necessary to enable the output buffer.
* IOMUX_PIN_OUTPUT_ENABLE if necessary to enable the output buffer.
*/
INLINED void gpio_disable(const uint8_t gpio_num)
{
GPIO_DIR_CLEAR = BIT(gpio_num);
*gpio_iomux_reg(gpio_num) &= ~IOMUX_OE;
*gpio_iomux_reg(gpio_num) &= ~IOMUX_PIN_OUTPUT_ENABLE;
}
/* Set output of a pin high or low.