alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-30 22:05:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(esp32h21): support I2C on ESP32H21

Browse Source
This commit is contained in:
gaoxu
2025-03-10 11:44:04 +08:00
committed by Gao Xu
parent 46847b7be9
commit ec632f7fed
28 changed files with 1421 additions and 315 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/hal/test_apps/hal_i2c/README.md
View File

@@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H21 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | --------- | -------- | -------- | -------- |
# HAL I2C test

10
components/hal/test_apps/hal_i2c/components/hal_i2c/hal_i2c.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
@@ -132,7 +132,13 @@ esp_err_t hal_i2c_init(hal_i2c_config *cfg)
I2C_CLOCK_SRC_ATOMIC() {
i2c_ll_set_source_clk(dev, SOC_MOD_CLK_XTAL);
}
i2c_ll_master_cal_bus_clk(clk_hal_xtal_get_freq_mhz() * MHZ, freq, &clk_cal);
uint32_t xtal_freq = 0;
#if SOC_CLK_TREE_SUPPORTED
xtal_freq = clk_hal_xtal_get_freq_mhz();
#else
xtal_freq = clk_ll_xtal_get_freq_mhz();
#endif
i2c_ll_master_cal_bus_clk(xtal_freq * MHZ, freq, &clk_cal);
i2c_ll_master_set_bus_timing(dev, &clk_cal);
i2c_ll_update(dev);