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I2C: Add i2c support for ESP32C6

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This commit is contained in:
Cao Sen Miao
2022-11-02 18:09:22 +08:00
parent 84be4db4e5
commit 803fc3fbe0
24 changed files with 1097 additions and 85 deletions
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23
components/hal/esp32c3/include/hal/i2c_ll.h
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@@ -16,7 +16,6 @@
#include "hal/i2c_types.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/clk_tree_defs.h"
#include "esp_rom_sys.h"
#include "esp_attr.h"
#ifdef __cplusplus
@@ -38,7 +37,7 @@ typedef union {
done: 1;
};
uint32_t val;
} i2c_hw_cmd_t;
} i2c_ll_hw_cmd_t;
// I2C operation mode command
#define I2C_LL_CMD_RESTART 6 /*!<I2C restart command */
@@ -63,10 +62,11 @@ typedef enum {
I2C_INTR_START = (1 << 15),
} i2c_ll_slave_intr_t;
// Get the I2C hardware instance
#define I2C_LL_GET_HW(i2c_num) (&I2C0)
#define I2C_LL_MASTER_EVENT_INTR (I2C_NACK_INT_ENA_M|I2C_TIME_OUT_INT_ENA_M|I2C_TRANS_COMPLETE_INT_ENA_M|I2C_ARBITRATION_LOST_INT_ENA_M|I2C_END_DETECT_INT_ENA_M)
#define I2C_LL_SLAVE_EVENT_INTR (I2C_RXFIFO_WM_INT_ENA_M|I2C_TRANS_COMPLETE_INT_ENA_M|I2C_TXFIFO_WM_INT_ENA_M)
/**
* @brief Calculate I2C bus frequency
* Note that the clock accuracy is affected by the external pull-up resistor,
@@ -292,7 +292,7 @@ static inline void i2c_ll_set_slave_addr(i2c_dev_t *hw, uint16_t slave_addr, boo
*
* @return None
*/
static inline void i2c_ll_write_cmd_reg(i2c_dev_t *hw, i2c_hw_cmd_t cmd, int cmd_idx)
static inline void i2c_ll_write_cmd_reg(i2c_dev_t *hw, i2c_ll_hw_cmd_t cmd, int cmd_idx)
{
hw->command[cmd_idx].val = cmd.val;
}
@@ -662,7 +662,16 @@ static inline void i2c_ll_set_source_clk(i2c_dev_t *hw, i2c_clock_source_t src_c
hw->clk_conf.sclk_sel = (src_clk == I2C_CLK_SRC_RC_FAST) ? 1 : 0;
}
/**
* @brief Enable I2C peripheral controller clock
*
* @param dev Peripheral instance address
* @param en True to enable, False to disable
*/
static inline void i2c_ll_enable_controller_clock(i2c_dev_t *hw, bool en)
{
hw->clk_conf.sclk_active = en;
}
/**
* @brief Init I2C master
@@ -723,10 +732,6 @@ static inline volatile void *i2c_ll_get_interrupt_status_reg(i2c_dev_t *dev)
/////////////////////////////They might be removed in the next major release (ESP-IDF 6.0)//////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Get the I2C hardware instance
#define I2C_LL_GET_HW(i2c_num) (&I2C0)
// Get the I2C hardware FIFO address
#define I2C_LL_GET_FIFO_ADDR(i2c_num) (I2C_DATA_APB_REG(i2c_num))
// I2C master TX interrupt bitmap
#define I2C_LL_MASTER_TX_INT (I2C_NACK_INT_ENA_M|I2C_TIME_OUT_INT_ENA_M|I2C_TRANS_COMPLETE_INT_ENA_M|I2C_ARBITRATION_LOST_INT_ENA_M|I2C_END_DETECT_INT_ENA_M)
// I2C master RX interrupt bitmap