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uart: Support LP_UART port with UART driver on esp32c6

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This commit is contained in:
Song Ruo Jing
2023-03-24 11:42:01 +08:00
parent b77540c285
commit 921713fff4
68 changed files with 1127 additions and 401 deletions
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13
components/hal/esp32/include/hal/rtc_io_ll.h
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@@ -38,6 +38,17 @@ typedef enum {
RTCIO_OUTPUT_OD = 0x1, /*!< RTCIO output mode is open-drain. */
} rtcio_ll_out_mode_t;
/**
* @brief Select a RTC IOMUX function for the RTC IO
*
* @param rtcio_num The index of rtcio. 0 ~ MAX(rtcio).
* @param func Function to assign to the pin
*/
static inline void rtcio_ll_iomux_func_sel(int rtcio_num, int func)
{
SET_PERI_REG_BITS(rtc_io_desc[rtcio_num].reg, 0x3, func, rtc_io_desc[rtcio_num].func);
}
/**
* @brief Select the rtcio function.
*
@@ -51,7 +62,7 @@ static inline void rtcio_ll_function_select(int rtcio_num, rtcio_ll_func_t func)
// 0: GPIO connected to digital GPIO module. 1: GPIO connected to analog RTC module.
SET_PERI_REG_MASK(rtc_io_desc[rtcio_num].reg, (rtc_io_desc[rtcio_num].mux));
//0:RTC FUNCTION 1,2,3:Reserved
SET_PERI_REG_BITS(rtc_io_desc[rtcio_num].reg, RTC_IO_TOUCH_PAD1_FUN_SEL_V, RTCIO_LL_PIN_FUNC, rtc_io_desc[rtcio_num].func);
rtcio_ll_iomux_func_sel(rtcio_num, RTCIO_LL_PIN_FUNC);
} else if (func == RTCIO_FUNC_DIGITAL) {
CLEAR_PERI_REG_MASK(rtc_io_desc[rtcio_num].reg, (rtc_io_desc[rtcio_num].mux));
}

31
components/hal/esp32/include/hal/uart_ll.h
View File

@@ -10,9 +10,10 @@
#pragma once
#include <stdlib.h>
#include "hal/misc.h"
#include "esp_attr.h"
#include "soc/uart_periph.h"
#include "soc/uart_reg.h"
#include "soc/uart_struct.h"
#include "hal/uart_types.h"
@@ -23,7 +24,7 @@ extern "C" {
// The default fifo depth
#define UART_LL_FIFO_DEF_LEN (SOC_UART_FIFO_LEN)
// Get UART hardware instance with giving uart num
#define UART_LL_GET_HW(num) (((num) == 0) ? (&UART0) : (((num) == 1) ? (&UART1) : (&UART2)))
#define UART_LL_GET_HW(num) (((num) == UART_NUM_0) ? (&UART0) : (((num) == UART_NUM_1) ? (&UART1) : (&UART2)))
// The timeout calibration factor when using ref_tick
#define UART_LL_TOUT_REF_FACTOR_DEFAULT (8)
@@ -63,9 +64,19 @@ typedef enum {
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_sclk(uart_dev_t *hw, uart_sclk_t source_clk)
FORCE_INLINE_ATTR void uart_ll_set_sclk(uart_dev_t *hw, soc_module_clk_t source_clk)
{
hw->conf0.tick_ref_always_on = (source_clk == UART_SCLK_APB) ? 1 : 0;
switch (source_clk) {
case UART_SCLK_REF_TICK:
hw->conf0.tick_ref_always_on = 0;
break;
case UART_SCLK_APB:
hw->conf0.tick_ref_always_on = 1;
break;
default:
// Invalid UART clock source
abort();
}
}
/**
@@ -76,9 +87,17 @@ FORCE_INLINE_ATTR void uart_ll_set_sclk(uart_dev_t *hw, uart_sclk_t source_clk)
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_get_sclk(uart_dev_t *hw, uart_sclk_t* source_clk)
FORCE_INLINE_ATTR void uart_ll_get_sclk(uart_dev_t *hw, soc_module_clk_t *source_clk)
{
*source_clk = hw->conf0.tick_ref_always_on ? UART_SCLK_APB : UART_SCLK_REF_TICK;
switch (hw->conf0.tick_ref_always_on) {
default:
case 0:
*source_clk = UART_SCLK_REF_TICK;
break;
case 1:
*source_clk = UART_SCLK_APB;
break;
}
}
/**