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45 lines
1.3 KiB
45 lines
1.3 KiB
/* |
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* em7180_common.h |
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* |
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* Created on: Jan 18, 2021 |
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* Author: Daniel Peter Chokola |
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* |
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* Library may be used freely and without limit with attribution. |
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*/ |
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#ifndef EM7180_COMMON_h |
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#define EM7180_COMMON_h |
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/* Includes */ |
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#include <stdint.h> |
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/* Definitions */ |
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#define return_if_fail(cond) \ |
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if(!(cond)) \ |
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{ \ |
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return; \ |
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} |
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#define return_val_if_fail(cond, val) \ |
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if(!(cond)) \ |
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{ \ |
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return (val); \ |
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} |
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/* Data Structures */ |
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typedef void (*delay_func_t)(uint32_t); |
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typedef int32_t (*i2c_write_func_t)(uint16_t, uint16_t, uint16_t, uint8_t*, |
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uint16_t); |
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typedef int32_t (*i2c_read_func_t)(uint16_t, uint16_t, uint16_t, uint8_t*, |
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uint16_t); |
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/* Function Prototypes */ |
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int32_t i2c_read_byte(i2c_read_func_t read, uint16_t dev_addr, uint16_t addr, |
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uint8_t *byte); |
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int32_t i2c_write_byte(i2c_write_func_t write, uint16_t dev_addr, uint16_t addr, |
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uint8_t byte); |
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int32_t i2c_read(i2c_read_func_t read, uint16_t dev_addr, uint16_t addr, |
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uint8_t *data, uint16_t len); |
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int32_t i2c_write(i2c_write_func_t write, uint16_t dev_addr, uint16_t addr, |
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uint8_t *data, uint16_t len); |
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#endif /* EM7180_COMMON_h */
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