alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-10-27 20:04:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

i2c: support esp32h2

Browse Source
This commit is contained in:
laokaiyao
2022-01-04 19:48:12 +08:00
parent 7da023ceae
commit cf353c505a
28 changed files with 210 additions and 182 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/hal/esp32h2/include/hal/i2c_ll.h
View File

@@ -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