[AT32 IDE] 寻求AT32官方库函数版本的i2c通过dma通讯的例程

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使用以下官方函数:代码是使用workbench生成的AT32IDE版本代码。
void i2c_reset(i2c_type *i2c_x);
void i2c_init(i2c_type *i2c_x, uint8_t dfilters, uint32_t clk);
void i2c_own_address1_set(i2c_type *i2c_x, i2c_address_mode_type mode, uint16_t address);
void i2c_own_address2_set(i2c_type *i2c_x, uint8_t address, i2c_addr2_mask_type mask);
void i2c_own_address2_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_smbus_enable(i2c_type *i2c_x, i2c_smbus_mode_type mode, confirm_state new_state);
void i2c_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_clock_stretch_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_ack_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_addr10_mode_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_transfer_addr_set(i2c_type *i2c_x, uint16_t address);
uint16_t i2c_transfer_addr_get(i2c_type *i2c_x);
void i2c_transfer_dir_set(i2c_type *i2c_x, i2c_transfer_dir_type i2c_direction);
i2c_transfer_dir_type i2c_transfer_dir_get(i2c_type *i2c_x);
uint8_t i2c_matched_addr_get(i2c_type *i2c_x);
void i2c_auto_stop_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_reload_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_cnt_set(i2c_type *i2c_x, uint8_t cnt);
void i2c_addr10_header_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_general_call_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_smbus_alert_set(i2c_type *i2c_x, i2c_smbus_alert_set_type level);
void i2c_slave_data_ctrl_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_pec_calculate_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_pec_transmit_enable(i2c_type *i2c_x, confirm_state new_state);
uint8_t i2c_pec_value_get(i2c_type *i2c_x);
void i2c_timeout_set(i2c_type *i2c_x, uint16_t timeout);
void i2c_timeout_detcet_set(i2c_type *i2c_x, i2c_timeout_detcet_type mode);
void i2c_timeout_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_ext_timeout_set(i2c_type *i2c_x, uint16_t timeout);
void i2c_ext_timeout_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_interrupt_enable(i2c_type *i2c_x, uint32_t source, confirm_state new_state);
flag_status i2c_interrupt_get(i2c_type *i2c_x, uint16_t source);
void i2c_dma_enable(i2c_type *i2c_x, i2c_dma_request_type dma_req, confirm_state new_state);
void i2c_transmit_set(i2c_type *i2c_x, uint16_t address, uint8_t cnt, i2c_reload_stop_mode_type rld_stop, i2c_start_mode_type start);
void i2c_start_generate(i2c_type *i2c_x);
void i2c_stop_generate(i2c_type *i2c_x);
void i2c_data_send(i2c_type *i2c_x, uint8_t data);
uint8_t i2c_data_receive(i2c_type *i2c_x);
flag_status i2c_flag_get(i2c_type *i2c_x, uint32_t flag);
flag_status i2c_interrupt_flag_get(i2c_type *i2c_x, uint32_t flag);
void i2c_flag_clear(i2c_type *i2c_x, uint32_t flag);
void i2c_wakeup_enable(i2c_type *i2c_x, confirm_state new_state);
void i2c_analog_filter_enable(i2c_type *i2c_x, confirm_state new_state);


NebulaHaven 发表于 2025-8-21 13:16 | 显示全部楼层
这个例程demo里面没有?首先你要确定你用的这颗型号i2c是支持dma的
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