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feat(gpio): add a dump API to dump IO configurations

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Closes https://github.com/espressif/esp-idf/issues/12176
This commit is contained in:
Song Ruo Jing
2023-09-22 17:36:51 +08:00
parent 4356deda2f
commit 321f628ff5
17 changed files with 557 additions and 13 deletions
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52
components/hal/esp32/include/hal/gpio_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -39,6 +39,39 @@ extern const uint8_t GPIO_PIN_MUX_REG_OFFSET[SOC_GPIO_PIN_COUNT];
#define GPIO_LL_PRO_CPU_NMI_INTR_ENA (BIT(3))
#define GPIO_LL_SDIO_EXT_INTR_ENA (BIT(4))
/**
* @brief Get the configuration for an IO
*
* @param hw Peripheral GPIO hardware instance address.
* @param gpio_num GPIO number
* @param pu Pull-up enabled or not
* @param pd Pull-down enabled or not
* @param ie Input enabled or not
* @param oe Output enabled or not
* @param od Open-drain enabled or not
* @param drv Drive strength value
* @param fun_sel IOMUX function selection value
* @param sig_out Outputting peripheral signal index
* @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,
uint32_t *fun_sel, uint32_t *sig_out, bool *slp_sel)
{
uint32_t bit_shift = (gpio_num < 32) ? gpio_num : (gpio_num - 32);
uint32_t bit_mask = 1 << bit_shift;
uint32_t iomux_reg_val = REG_READ(GPIO_PIN_MUX_REG[gpio_num]);
*pu = (iomux_reg_val & FUN_PU_M) >> FUN_PU_S;
*pd = (iomux_reg_val & FUN_PD_M) >> FUN_PD_S;
*ie = (iomux_reg_val & FUN_IE_M) >> FUN_IE_S;
*oe = (((gpio_num < 32) ? hw->enable : hw->enable1.val) & bit_mask) >> bit_shift;
*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;
*sig_out = hw->func_out_sel_cfg[gpio_num].func_sel;
*slp_sel = (iomux_reg_val & SLP_SEL_M) >> SLP_SEL_S;
}
/**
* @brief Enable pull-up on GPIO.
*
@@ -669,6 +702,23 @@ static inline void gpio_ll_iomux_out(gpio_dev_t *hw, uint8_t gpio_num, int func,
gpio_ll_func_sel(hw, gpio_num, func);
}
/**
* @brief Get the GPIO number that is routed to the input peripheral signal through GPIO matrix.
*
* @param hw Peripheral GPIO hardware instance address.
* @param in_sig_idx Peripheral signal index (tagged as input attribute).
*
* @return
* - -1 Signal bypassed GPIO matrix
* - Others GPIO number
*/
static inline int gpio_ll_get_in_signal_connected_io(gpio_dev_t *hw, uint32_t in_sig_idx)
{
typeof(hw->func_in_sel_cfg[in_sig_idx]) reg;
reg.val = hw->func_in_sel_cfg[in_sig_idx].val;
return (reg.sig_in_sel ? reg.func_sel : -1);
}
#ifdef __cplusplus
}
#endif