digipot 2.0.0.0
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API for configuring and manipulating DIGI POT Click driver. More...
Modules | |
DIGI POT MikroBUS Map | |
MikroBUS pin mapping of DIGI POT Click driver. | |
DIGI POT Macros | |
Macros of Click driver. | |
Functions | |
void | digipot_cfg_setup (digipot_cfg_t *cfg) |
DIGI POT configuration object setup function. More... | |
err_t | digipot_init (digipot_t *ctx, digipot_cfg_t *cfg) |
DIGI POT initialization function. More... | |
void | digipot_generic_transfer (digipot_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len) |
Generic transfer function. More... | |
void | digipot_set_wiper_positions (digipot_t *ctx, uint8_t wiper_pos) |
Set wiper position. More... | |
float | digipot_convert_output (uint16_t adc_val, float v_ref) |
Convert ADC value to volatage. More... | |
API for configuring and manipulating DIGI POT Click driver.
void digipot_cfg_setup | ( | digipot_cfg_t * | cfg | ) |
DIGI POT configuration object setup function.
This function initializes click configuration structure to initial values.
[out] | cfg | : Click configuration structure. See digipot_cfg_t object definition for detailed explanation. |
float digipot_convert_output | ( | uint16_t | adc_val, |
float | v_ref | ||
) |
Convert ADC value to volatage.
The function convert 10-bit ADC value to volatage reference.
[in] | adc_val | : 10-bit ADC value. |
[in] | wiper_pos | : float voltage reference: 3.3V or 5V. |
void digipot_generic_transfer | ( | digipot_t * | ctx, |
uint8_t * | wr_buf, | ||
uint16_t | wr_len, | ||
uint8_t * | rd_buf, | ||
uint16_t | rd_len | ||
) |
Generic transfer function.
Generic SPI transfer, for sending and receiving packages
[in] | ctx | : Click context object. See digipot_t object definition for detailed explanation. |
[in] | wr_buf | : Write data buffer |
[in] | wr_len | : Number of byte in write data buffer |
[out] | rd_buf | : Read data buffer |
[in] | rd_len | : Number of byte in read data buffer |
err_t digipot_init | ( | digipot_t * | ctx, |
digipot_cfg_t * | cfg | ||
) |
DIGI POT initialization function.
This function initializes all necessary pins and peripherals used for this click board.
[out] | ctx | : Click context object. See digipot_t object definition for detailed explanation. |
[in] | cfg | : Click configuration structure. See digipot_cfg_t object definition for detailed explanation. |
0
- Success, -1
- Error.