rs485isolator4
2.1.0.0
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API for configuring and manipulating RS485 Isolator 4 Click driver. More...
Modules | |
RS485 Isolator 4 Device Settings | |
Settings for registers of RS485 Isolator 4 Click driver. | |
RS485 Isolator 4 MikroBUS Map | |
MikroBUS pin mapping of RS485 Isolator 4 Click driver. | |
Functions | |
void | rs485isolator4_cfg_setup (rs485isolator4_cfg_t *cfg) |
RS485 Isolator 4 configuration object setup function. More... | |
err_t | rs485isolator4_init (rs485isolator4_t *ctx, rs485isolator4_cfg_t *cfg) |
RS485 Isolator 4 initialization function. More... | |
err_t | rs485isolator4_generic_write (rs485isolator4_t *ctx, uint8_t *data_in, uint16_t len) |
RS485 Isolator 4 data writing function. More... | |
err_t | rs485isolator4_generic_read (rs485isolator4_t *ctx, uint8_t *data_out, uint16_t len) |
RS485 Isolator 4 data reading function. More... | |
void | rs485isolator4_receiver_enable (rs485isolator4_t *ctx) |
RS485 Isolator 4 receiver enable function. More... | |
void | rs485isolator4_receiver_disable (rs485isolator4_t *ctx) |
RS485 Isolator 4 receiver disable function. More... | |
void | rs485isolator4_driver_enable (rs485isolator4_t *ctx) |
RS485 Isolator 4 driver enable function. More... | |
void | rs485isolator4_driver_disable (rs485isolator4_t *ctx) |
RS485 Isolator 4 driver disable function. More... | |
API for configuring and manipulating RS485 Isolator 4 Click driver.
Any initialization code needed for MCU to function properly. Do not remove this line or clock might not be set correctly.
void rs485isolator4_cfg_setup | ( | rs485isolator4_cfg_t * | cfg | ) |
RS485 Isolator 4 configuration object setup function.
This function initializes click configuration structure to initial values.
[out] | cfg | : Click configuration structure. See rs485isolator4_cfg_t object definition for detailed explanation. |
void rs485isolator4_driver_disable | ( | rs485isolator4_t * | ctx | ) |
RS485 Isolator 4 driver disable function.
This function disables the driver input by setting the DE pin to low logic state.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
void rs485isolator4_driver_enable | ( | rs485isolator4_t * | ctx | ) |
RS485 Isolator 4 driver enable function.
This function enables the driver input by setting the DE pin to high logic state.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
err_t rs485isolator4_generic_read | ( | rs485isolator4_t * | ctx, |
uint8_t * | data_out, | ||
uint16_t | len | ||
) |
RS485 Isolator 4 data reading function.
This function reads a desired number of data bytes by using UART serial interface.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
[out] | data_out | : Output read data. |
[in] | len | : Number of bytes to be read. |
>0
- Number of data bytes read, <=0
- Error/Empty Ring buffer. See #err_t definition for detailed explanation. err_t rs485isolator4_generic_write | ( | rs485isolator4_t * | ctx, |
uint8_t * | data_in, | ||
uint16_t | len | ||
) |
RS485 Isolator 4 data writing function.
This function writes a desired number of data bytes by using UART serial interface.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
[in] | data_in | : Data buffer for sending. |
[in] | len | : Number of bytes for sending. |
>=0
- Success, <0
- Error. See #err_t definition for detailed explanation. err_t rs485isolator4_init | ( | rs485isolator4_t * | ctx, |
rs485isolator4_cfg_t * | cfg | ||
) |
RS485 Isolator 4 initialization function.
This function initializes all necessary pins and peripherals used for this click board.
[out] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
[in] | cfg | : Click configuration structure. See rs485isolator4_cfg_t object definition for detailed explanation. |
0
- Success, -1
- Error. See #err_t definition for detailed explanation. void rs485isolator4_receiver_disable | ( | rs485isolator4_t * | ctx | ) |
RS485 Isolator 4 receiver disable function.
This function disables the receiver output by setting the RE pin to high logic state.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |
void rs485isolator4_receiver_enable | ( | rs485isolator4_t * | ctx | ) |
RS485 Isolator 4 receiver enable function.
This function enables the receiver output by setting the RE pin to low logic state.
[in] | ctx | : Click context object. See rs485isolator4_t object definition for detailed explanation. |