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feat(i2c): Add pure hal i2c master driver example

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Cao Sen Miao
2024-01-16 18:59:04 +08:00
parent b9f9e0d9f7
commit 62a0efdd7c
17 changed files with 706 additions and 8 deletions
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16
components/hal/esp32/include/hal/i2c_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -757,6 +757,20 @@ static inline void i2c_ll_slave_clear_stretch(i2c_dev_t *dev)
// Not supported on esp32
}
/**
* @brief Check if i2c command is done.
*
* @param hw Beginning address of the peripheral registers
* @param cmd_idx The index of the command register, must be less than 16
*
* @return True if the `cmd_idx` command is done. Otherwise false.
*/
__attribute__((always_inline))
static inline bool i2c_ll_master_is_cmd_done(i2c_dev_t *hw, int cmd_idx)
{
return hw->command[cmd_idx].done;
}
//////////////////////////////////////////Deprecated Functions//////////////////////////////////////////////////////////
/////////////////////////////The following functions are only used by the legacy driver/////////////////////////////////
/////////////////////////////They might be removed in the next major release (ESP-IDF 6.0)//////////////////////////////