结构体 | |
| struct | aos_i2c_msg_t |
宏定义 | |
| #define | AOS_I2C_MCFG_TX ((uint32_t)0x0 << 0) |
| #define | AOS_I2C_MCFG_RX ((uint32_t)0x1 << 0) |
| #define | AOS_I2C_MCFG_ADDR_7 ((uint32_t)0x0 << 1) |
| #define | AOS_I2C_MCFG_ADDR_10 ((uint32_t)0x1 << 1) |
| #define | AOS_I2C_MSG_INIT_VAL |
| #define | aos_i2c_msg_init(x) do { *(x) = (aos_i2c_msg_t)AOS_I2C_MSG_INIT_VAL; } while (0) |
类型定义 | |
| typedef aos_dev_ref_t | aos_i2c_ref_t |
函数 | |
| aos_status_t | aos_i2c_get (aos_i2c_ref_t *ref, uint32_t id) |
| Get a I2C device. 更多... | |
| void | aos_i2c_put (aos_i2c_ref_t *ref) |
| Release a I2C device. 更多... | |
| aos_status_t | aos_i2c_transfer (aos_i2c_ref_t *ref, const aos_i2c_msg_t *msgs, size_t num_msgs) |
| Synchronous I2C data transfer. 更多... | |
给应用提供I2C操作的AOS API.
| #define aos_i2c_msg_init | ( | x | ) | do { *(x) = (aos_i2c_msg_t)AOS_I2C_MSG_INIT_VAL; } while (0) |
| #define AOS_I2C_MSG_INIT_VAL |
| typedef aos_dev_ref_t aos_i2c_ref_t |
| aos_status_t aos_i2c_get | ( | aos_i2c_ref_t * | ref, |
| uint32_t | id | ||
| ) |
Get a I2C device.
| [out] | ref | I2C ref to operate |
| [in] | id | I2C device ID |
| void aos_i2c_put | ( | aos_i2c_ref_t * | ref | ) |
Release a I2C device.
| [in] | ref | I2C ref to operate |
| aos_status_t aos_i2c_transfer | ( | aos_i2c_ref_t * | ref, |
| const aos_i2c_msg_t * | msgs, | ||
| size_t | num_msgs | ||
| ) |
Synchronous I2C data transfer.
| [in] | ref | I2C ref to operate |
| [in] | msgs | array of messages |
| [in] | num_msgs | number of messages |