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34 lines
864 B
C
34 lines
864 B
C
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#ifndef EXOSPHERE_BPMPFW_I2C_H
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#define EXOSPHERE_BPMPFW_I2C_H
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#include <stdint.h>
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/* I2C_BASE = I2C4. */
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#define I2C_BASE (0x7000D000)
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#define MAKE_I2C_REG(ofs) ((*((volatile uint32_t *)(I2C_BASE + ofs))))
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#define I2C_I2C_CNFG_0 MAKE_I2C_REG(0x000)
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#define I2C_I2C_CMD_ADDR0_0 MAKE_I2C_REG(0x004)
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#define I2C_I2C_CMD_DATA1_0 MAKE_I2C_REG(0x00C)
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#define I2C_I2C_STATUS_0 MAKE_I2C_REG(0x01C)
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#define I2C_INTERRUPT_STATUS_REGISTER_0 MAKE_I2C_REG(0x068)
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#define I2C_I2C_CLK_DIVISOR_REGISTER_0 MAKE_I2C_REG(0x06C)
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#define I2C_I2C_BUS_CLEAR_CONFIG_0 MAKE_I2C_REG(0x084)
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#define I2C_I2C_BUS_CLEAR_STATUS_0 MAKE_I2C_REG(0x088)
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#define I2C_I2C_CONFIG_LOAD_0 MAKE_I2C_REG(0x08C)
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void i2c_init(void);
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int i2c_send_reset_cmd(void);
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#endif
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