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Merge branch 'feature/i2c_support_on_esp8684_esp32h2' into 'master'

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i2c: support i2c on esp32c2 and esp32h2

Closes IDF-3918

See merge request espressif/esp-idf!16444
This commit is contained in:
Kevin (Lao Kaiyao)
2022-02-28 13:59:02 +08:00
parent 44e5ac2c59 cf353c505a
commit cc1d89ebba
44 changed files with 565 additions and 670 deletions
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4
components/hal/esp32h2/include/hal/i2c_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -87,7 +87,7 @@ typedef struct {
// I2C slave RX interrupt bitmap
#define I2C_LL_SLAVE_RX_INT (I2C_RXFIFO_WM_INT_ENA_M | I2C_TRANS_COMPLETE_INT_ENA_M)
// I2C source clock
#define I2C_LL_CLK_SRC_FREQ(src_clk) (((src_clk) == I2C_SCLK_RTC) ? 20*1000*1000 : 40*1000*1000); // Another clock is XTAL clock
#define I2C_LL_CLK_SRC_FREQ(src_clk) (((src_clk) == I2C_SCLK_RTC) ? 8*1000*1000 : 32*1000*1000); // Another clock is XTAL clock
// delay time after rtc_clk swiching on
#define DELAY_RTC_CLK_SWITCH (5)
// I2C max timeout value

33
components/hal/esp32h2/rtc_cntl_hal.c
View File

@@ -1,16 +1,8 @@
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
// The HAL layer for RTC CNTL (common part)
@@ -18,6 +10,7 @@
#include "soc/lldesc.h"
#include "hal/rtc_hal.h"
#include "hal/assert.h"
#include "esp_attr.h"
#define RTC_CNTL_HAL_LINK_BUF_SIZE_MIN (SOC_RTC_CNTL_CPU_PD_DMA_BLOCK_SIZE) /* The minimum size of dma link buffer */
@@ -44,6 +37,7 @@ void * rtc_cntl_hal_dma_link_init(void *elem, void *buff, int size, void *next)
return (void *)plink;
}
#if SOC_PM_SUPPORT_CPU_PD
void rtc_cntl_hal_enable_cpu_retention(void *addr)
{
if (addr) {
@@ -59,3 +53,16 @@ void rtc_cntl_hal_enable_cpu_retention(void *addr)
rtc_cntl_ll_enable_cpu_retention((uint32_t)addr);
}
}
void IRAM_ATTR rtc_cntl_hal_disable_cpu_retention(void *addr)
{
rtc_cntl_sleep_retent_t *retent = (rtc_cntl_sleep_retent_t *)addr;
if (addr) {
if (retent->cpu_pd_mem) {
rtc_cntl_ll_disable_cpu_retention();
}
}
}
#endif // SOC_PM_SUPPORT_CPU_PD