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fix(gpio): fix IO output enable control

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oen_sel and oen_inv_sel fields from func_out_sel_cfg register
This commit is contained in:
Song Ruo Jing
2025-03-14 20:38:05 +08:00
parent 9ed617fb17
commit 8f231272f6
12 changed files with 241 additions and 60 deletions
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26
components/hal/esp32c2/include/hal/gpio_ll.h
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@@ -42,6 +42,8 @@ extern "C" {
* @param pd Pull-down enabled or not
* @param ie Input enabled or not
* @param oe Output enabled or not
* @param oe_ctrl_by_periph Output enable signal from peripheral or not
* @param oe_inv Output enable signal is inversed or not
* @param od Open-drain enabled or not
* @param drv Drive strength value
* @param fun_sel IOMUX function selection value
@@ -49,7 +51,7 @@ extern "C" {
* @param slp_sel Pin sleep mode enabled or not
*/
static inline void gpio_ll_get_io_config(gpio_dev_t *hw, uint32_t gpio_num,
bool *pu, bool *pd, bool *ie, bool *oe, bool *od, uint32_t *drv,
bool *pu, bool *pd, bool *ie, bool *oe, bool *oe_ctrl_by_periph, bool *oe_inv, bool *od, uint32_t *drv,
uint32_t *fun_sel, uint32_t *sig_out, bool *slp_sel)
{
uint32_t bit_mask = 1 << gpio_num;
@@ -58,6 +60,8 @@ static inline void gpio_ll_get_io_config(gpio_dev_t *hw, uint32_t gpio_num,
*pd = (iomux_reg_val & FUN_PD_M) >> FUN_PD_S;
*ie = (iomux_reg_val & FUN_IE_M) >> FUN_IE_S;
*oe = (hw->enable.val & bit_mask) >> gpio_num;
*oe_ctrl_by_periph = !(hw->func_out_sel_cfg[gpio_num].oen_sel);
*oe_inv = hw->func_out_sel_cfg[gpio_num].oen_inv_sel;
*od = hw->pin[gpio_num].pad_driver;
*drv = (iomux_reg_val & FUN_DRV_M) >> FUN_DRV_S;
*fun_sel = (iomux_reg_val & MCU_SEL_M) >> MCU_SEL_S;
@@ -508,6 +512,20 @@ static inline void gpio_ll_iomux_func_sel(uint32_t pin_name, uint32_t func)
PIN_FUNC_SELECT(pin_name, func);
}
/**
* @brief Configure the source of output enable signal for the GPIO pin.
*
* @param hw Peripheral GPIO hardware instance address.
* @param gpio_num GPIO number of the pad.
* @param ctrl_by_periph True if use output enable signal from peripheral, false if force the output enable signal to be sourced from bit n of GPIO_ENABLE_REG
* @param oen_inv True if the output enable needs to be inverted, otherwise False.
*/
static inline void gpio_ll_set_output_enable_ctrl(gpio_dev_t *hw, uint8_t gpio_num, bool ctrl_by_periph, bool oen_inv)
{
hw->func_out_sel_cfg[gpio_num].oen_inv_sel = oen_inv; // control valid only when using gpio matrix to route signal to the IO
hw->func_out_sel_cfg[gpio_num].oen_sel = !ctrl_by_periph;
}
/**
* @brief Control the pin in the IOMUX
*
@@ -528,12 +546,10 @@ static inline void gpio_ll_set_pin_ctrl(uint32_t val, uint32_t bmap, uint32_t sh
* @param gpio_num gpio_num GPIO number of the pad.
* @param func The function number of the peripheral pin to output pin.
* One of the ``FUNC_X_*`` of specified pin (X) in ``soc/io_mux_reg.h``.
* @param oen_inv True if the output enable needs to be inverted, otherwise False.
*/
static inline void gpio_ll_iomux_out(gpio_dev_t *hw, uint8_t gpio_num, int func, uint32_t oen_inv)
static inline void gpio_ll_iomux_out(gpio_dev_t *hw, uint8_t gpio_num, int func)
{
hw->func_out_sel_cfg[gpio_num].oen_sel = 0;
hw->func_out_sel_cfg[gpio_num].oen_inv_sel = oen_inv;
gpio_ll_set_output_enable_ctrl(hw, gpio_num, true, false);
gpio_ll_func_sel(hw, gpio_num, func);
}