generated from hulk/gd32e23x_template_cmake_vscode
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
// ...existing code...
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/* function declarations */
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i2c_result_t i2c_config(void);
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i2c_result_t i2c_bus_reset(void);
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void i2c_scan(void);
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/* generic read/write functions with configurable length */
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i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
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i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
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/* compatibility functions for legacy code */
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i2c_result_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]);
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i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
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/* convenience functions for common operations */
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i2c_result_t i2c_write_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data);
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i2c_result_t i2c_read_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
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i2c_result_t i2c_write_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[4]);
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i2c_result_t i2c_read_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
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#ifdef DEBUG_VERBOSE
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const char* i2c_get_status_string(i2c_result_t status);
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#endif
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// ...existing code...
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// 读取显示面板参数 (13字节)
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uint8_t display_params[13];
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i2c_result_t result = i2c_read_display_params(0x3C, 0x0F, display_params, 13);
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// 或者使用通用函数
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result = i2c_read(0x3C, 0x0F, display_params, 13);
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// 读取单个参数
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uint8_t startup_mode;
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result = i2c_read_8bits(0x3C, 0x0F, &startup_mode);
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// 读取2字节参数（如显示界面宽度）
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uint8_t width_data[2];
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result = i2c_read(0x3C, 0x10, width_data, 2);
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// 写入多字节配置
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uint8_t config_data[5] = {0x01, 0x02, 0x03, 0x04, 0x05};
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result = i2c_write(0x3C, 0x20, config_data, 5); |