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Merge branch 'feature/bringup_i2c_for_s3' into 'master'

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I2C:  Add support for esp32s3 and add source clock allocator

Closes IDF-2011

See merge request espressif/esp-idf!10923
This commit is contained in:
Michael (XIAO Xufeng)
2020-11-12 22:12:58 +08:00
parent e7b97fe086 6eee601cf6
commit caf83b88ba
14 changed files with 1365 additions and 1212 deletions
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25
components/hal/esp32/include/hal/i2c_ll.h
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@@ -67,6 +67,13 @@ typedef struct {
uint16_t tout; /*!< I2C bus timeout period */
} i2c_clk_cal_t;
// I2C operation mode command
#define I2C_LL_CMD_RESTART 0 /*!<I2C restart command */
#define I2C_LL_CMD_WRITE 1 /*!<I2C write command */
#define I2C_LL_CMD_READ 2 /*!<I2C read command */
#define I2C_LL_CMD_STOP 3 /*!<I2C stop command */
#define I2C_LL_CMD_END 4 /*!<I2C end command */
// Get the I2C hardware instance
#define I2C_LL_GET_HW(i2c_num) (((i2c_num) == 0) ? &I2C0 : &I2C1)
// Get the I2C hardware FIFO address
@@ -79,10 +86,8 @@ typedef struct {
#define I2C_LL_SLAVE_TX_INT (I2C_TXFIFO_EMPTY_INT_ENA_M)
// I2C slave RX interrupt bitmap
#define I2C_LL_SLAVE_RX_INT (I2C_RXFIFO_FULL_INT_ENA_M | I2C_TRANS_COMPLETE_INT_ENA_M)
//I2C base clock freq 80M
#define I2C_BASE_CLK_FREQ (80000000)
// I2C source clock frequency
#define I2C_LL_CLK_SRC_FREQ(src_clk) (80*1000*1000)
/**
* @brief Calculate I2C bus frequency
*
@@ -856,6 +861,18 @@ static inline void i2c_ll_slave_init(i2c_dev_t *hw)
hw->fifo_conf.fifo_addr_cfg_en = 0;
}
/**
* @brief Update I2C configuration
*
* @param hw Beginning address of the peripheral registers
*
* @return None
*/
static inline void i2c_ll_update(i2c_dev_t *hw)
{
;// ESP32 do not support
}
#ifdef __cplusplus
}
#endif