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WIP: Update all library with new I2C API

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cets 2017-01-05 14:35:46 +01:00
parent c47b7667db
commit 411d483af1
18 changed files with 224 additions and 352 deletions
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42
extras/i2c/i2c.h
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@ -42,6 +42,7 @@ extern "C" {
* Some bit can be transmit slower.
* Selected frequency fix the speed of a bit transmission
* I2C lib take the maximum frequency defined
* Don't change frequency when I2C transaction had begin
*/
#ifdef I2C_FREQUENCY_500K
@ -102,48 +103,27 @@ bool i2c_status(void);
//Level 1 API (Don't need functions above)
/**
* Write 'len' bytes from 'buf' to slave.
* Write 'len' bytes from 'buf' to slave at 'data' register adress .
* @param slave_addr slave device address
* @param data Pointer to register address to send if non-null
* @param buf Pointer to data buffer
* @param len Number of byte to send
* @return false if error occured
* @param force Force transaction if bus busy (use with precaution)
* @return Non-Zero if error occured
*/
bool i2c_slave_write(uint8_t slave_addr, uint8_t *buf, uint8_t len);
int i2c_slave_write(uint8_t slave_addr, uint8_t *data, uint8_t *buf, uint32_t len, bool force);
/**
* Issue a read operation and read 'data', followed by reading 'len' bytes
* Issue a send operation of 'data' register adress, followed by reading 'len' bytes
* from slave into 'buf'.
* @param slave_addr slave device address
* @param data register address to send
* @param data Pointer to register address to send if non-null
* @param buf Pointer to data buffer
* @param len Number of byte to read
* @return false if error occured
* @param force Force transaction if bus busy (use with precaution)
* @return Non-Zero if error occured
*/
bool i2c_slave_read(uint8_t slave_addr, uint8_t data, uint8_t *buf, uint32_t len);
/**
* Write len word at register.
* @param slave_addr slave device address
* @param data Register address pointer to send (ignored if NULL)
* @param buf Pointer to 16 bits data buffer
* @param len Number of word to read
* @param force If true, current i2c link will be break to force this one (Use with precaution)
* @return Non-zero if error occured
*/
int i2c_slave_write_16(uint8_t slave_addr, uint8_t *data, uint16_t *buf, uint8_t len, bool force);
/**
* Issue a read operation at 'data'(!= NULL) , followed by reading 'len' bytes
* from slave into 'buf'.
* @param slave_addr slave device address
* @param data Register address pointer to send (ignored if NULL)
* @param buf Pointer to 16 bits data buffer
* @param len Number of word to read
* @param force If true, current i2c link will be break to force this one (Use with precaution)
* @return Non-zero if error occured
*/
int i2c_slave_read_16(uint8_t slave_addr, uint8_t *data, uint16_t *buf, uint32_t len, bool force);
int i2c_slave_read(uint8_t slave_addr, uint8_t *data, uint8_t *buf, uint32_t len, bool force);
#ifdef __cplusplus
}