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- extern "C" {
- typedef enum
- {
- PCAL6408A_REG_INPUT_PORT = 0x00,
- PCAL6408A_REG_OUTPUT_PORT = 0x01,
- PCAL6408A_REG_POLARITY_INVERSION = 0x02,
- PCAL6408A_REG_CONFIGURATION = 0x03,
- PCAL6408A_REG_OUTPUT_DRIVE_STRENGTH_0 = 0x40,
- PCAL6408A_REG_OUTPUT_DRIVE_STRENGTH_1 = 0x41,
- PCAL6408A_REG_INPUT_LATCH = 0x42,
- PCAL6408A_REG_PULL_UP_DOWN_ENABLE = 0x43,
- PCAL6408A_REG_PULL_UP_DOWN_SELECT = 0x44,
- PCAL6408A_REG_INTERRUPT_MASK = 0x45,
- PCAL6408A_REG_INTERRUPT_STATUS = 0x46,
- PCAL6408A_REG_OUTPUT_PORT_CONFIGURATION = 0x4F
- } pcal6408a_registers_t;
- typedef enum
- {
- PCAL6408A_PIN_DIR_OUTPUT,
- PCAL6408A_PIN_DIR_INPUT
- } pcal6408a_pin_dir_t;
- typedef enum
- {
- PCAL6408A_PORT_DIR_OUTPUT = 0x00,
- PCAL6408A_PORT_DIR_INPUT = 0xFF
- } pcal6408a_port_dir_t;
- typedef enum
- {
- PCAL6408A_PIN_CLR,
- PCAL6408A_PIN_SET
- } pcal6408a_pin_set_t;
- typedef enum
- {
- PCAL6408A_PIN_NOPULL,
- PCAL6408A_PIN_PULLDOWN,
- PCAL6408A_PIN_PULLUP
- } pcal6408a_pin_pull_t;
- typedef enum
- {
- PCAL6408A_PORT_WRITE,
- PCAL6408A_PORT_CLEAR,
- PCAL6408A_PORT_SET
- } pcal6408a_port_op_t;
- typedef enum
- {
- PCAL6408A_PIN_25_DRIVE_STRENGTH,
- PCAL6408A_PIN_50_DRIVE_STRENGTH,
- PCAL6408A_PIN_75_DRIVE_STRENGTH,
- PCAL6408A_PIN_100_DRIVE_STRENGTH
- } pcal6408a_pin_drive_strength_t;
- typedef enum
- {
- PCAL6408A_PORT_PUSH_PULL,
- PCAL6408A_PORT_OPEN_DRAIN
- } pcal6408a_port_io_stage_t;
- static pcal6408a_instance_t pcal6408a_inst_name[instance_count]
- (pin_num + instance_num * PCAL6408A_INNER_PIN_COUNT)
-
- void pcal6408a_init(pcal6408a_instance_t * p_instances, uint8_t count);
- ret_code_t pcal6408a_add_instance(nrf_twi_sensor_t * p_twi_sensor, uint8_t sensor_address);
- ret_code_t pcal6408a_cfg_write(uint8_t instance_num);
- ret_code_t pcal6408a_cfg_read(uint8_t instance_num);
- ret_code_t pcal6408a_pin_cfg_reg_set(pcal6408a_registers_t reg_addr, uint32_t pin, uint8_t value);
- uint8_t pcal6408a_pin_cfg_reg_get(pcal6408a_registers_t reg_addr, uint32_t pin);
- ret_code_t pcal6408a_port_cfg_reg_set(pcal6408a_registers_t reg_addr,
- uint32_t port,
- uint8_t mask,
- pcal6408a_port_op_t flag);
- uint8_t pcal6408a_port_cfg_reg_get(pcal6408a_registers_t reg_addr, uint32_t port);
- ret_code_t pcal6408a_pin_data_update(nrf_twi_sensor_reg_cb_t user_cb);
- ret_code_t pcal6408a_int_status_update(nrf_twi_sensor_reg_cb_t user_cb);
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_polarity_inversion(uint32_t pin_number, bool state);
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_interrupt(uint32_t pin_number, bool state);
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_latch(uint32_t pin_number, bool state);
- ret_code_t pcal6408a_pin_cfg_drive_strength(uint32_t pin_number,
- pcal6408a_pin_drive_strength_t drive_strength_config);
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_polarity_inversion(uint32_t port_number,
- uint8_t polarity_mask,
- pcal6408a_port_op_t flag);
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_interrupt(uint32_t port_number,
- uint8_t interrupt_mask,
- pcal6408a_port_op_t flag);
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_latch(uint32_t port_number,
- uint8_t latch_mask,
- pcal6408a_port_op_t flag);
- ret_code_t pcal6408a_port_cfg_drive_strength(uint32_t port_number,
- uint16_t drive_strength_mask,
- pcal6408a_port_op_t flag);
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_io_stage(uint32_t port_number,
- pcal6408a_port_io_stage_t io_stage_config);
-
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_output(uint32_t pin_number);
- ret_code_t pcal6408a_pin_cfg_input(uint32_t pin_number, pcal6408a_pin_pull_t pull_config);
- __STATIC_INLINE ret_code_t pcal6408a_pin_set(uint32_t pin_number);
- __STATIC_INLINE ret_code_t pcal6408a_pin_clear(uint32_t pin_number);
- ret_code_t pcal6408a_range_cfg_output(uint32_t pin_range_start, uint32_t pin_range_end);
- ret_code_t pcal6408a_range_cfg_input(uint32_t pin_range_start,
- uint32_t pin_range_end,
- pcal6408a_pin_pull_t pull_config);
- __STATIC_INLINE ret_code_t pcal6408a_pin_dir_set(uint32_t pin_number,
- pcal6408a_pin_dir_t direction);
- __STATIC_INLINE ret_code_t pcal6408a_pin_toggle(uint32_t pin_number);
- __STATIC_INLINE ret_code_t pcal6408a_pin_write(uint32_t pin_number, uint8_t value);
- __STATIC_INLINE uint32_t pcal6408a_pin_read(uint32_t pin_number);
- __STATIC_INLINE ret_code_t pcal6408a_port_dir_set(uint32_t port_number,
- pcal6408a_port_dir_t direction);
- __STATIC_INLINE uint32_t pcal6408a_port_read(uint32_t port_number);
- __STATIC_INLINE ret_code_t pcal6408a_port_write(uint32_t port_number, uint8_t value);
- __STATIC_INLINE ret_code_t pcal6408a_port_set(uint32_t port_number, uint8_t set_mask);
- __STATIC_INLINE ret_code_t pcal6408a_port_clear(uint32_t port_number, uint8_t clr_mask);
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_polarity_inversion(uint32_t pin_number, bool state)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_POLARITY_INVERSION, pin_number, state);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_interrupt(uint32_t pin_number, bool state)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_INTERRUPT_MASK, pin_number, state);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_latch(uint32_t pin_number, bool state)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_INPUT_LATCH, pin_number, state);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_polarity_inversion(uint32_t port_number,
- uint8_t polarity_mask,
- pcal6408a_port_op_t flag)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_POLARITY_INVERSION,
- port_number,
- polarity_mask,
- flag);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_interrupt(uint32_t port_number,
- uint8_t interrupt_mask,
- pcal6408a_port_op_t flag)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_INTERRUPT_MASK,
- port_number,
- interrupt_mask,
- flag);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_latch(uint32_t port_number,
- uint8_t latch_mask,
- pcal6408a_port_op_t flag)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_INPUT_LATCH,
- port_number,
- latch_mask,
- flag);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_cfg_io_stage(uint32_t port_number,
- pcal6408a_port_io_stage_t io_stage_config)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT_CONFIGURATION,
- port_number * PCAL6408A_INNER_PIN_COUNT,
- io_stage_config);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_cfg_output(uint32_t pin_number)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_CONFIGURATION,
- pin_number,
- PCAL6408A_PIN_DIR_OUTPUT);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_set(uint32_t pin_number)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT, pin_number, PCAL6408A_PIN_SET);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_clear(uint32_t pin_number)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT, pin_number, PCAL6408A_PIN_CLR);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_dir_set(uint32_t pin_number, pcal6408a_pin_dir_t direction)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_CONFIGURATION, pin_number, direction);
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_toggle(uint32_t pin_number)
- {
- return pcal6408a_pin_cfg_reg_set(
- PCAL6408A_REG_OUTPUT_PORT,
- pin_number,
- !pcal6408a_pin_cfg_reg_get(PCAL6408A_REG_OUTPUT_PORT, pin_number));
- }
- __STATIC_INLINE ret_code_t pcal6408a_pin_write(uint32_t pin_number, uint8_t value)
- {
- return pcal6408a_pin_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT, pin_number, value);
- }
- __STATIC_INLINE uint32_t pcal6408a_pin_read(uint32_t pin_number)
- {
- return pcal6408a_pin_cfg_reg_get(PCAL6408A_REG_INPUT_PORT, pin_number);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_dir_set(uint32_t port_number,
- pcal6408a_port_dir_t direction)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_CONFIGURATION,
- port_number,
- direction,
- PCAL6408A_PORT_WRITE);
- }
- __STATIC_INLINE uint32_t pcal6408a_port_read(uint32_t port_number)
- {
- return pcal6408a_port_cfg_reg_get(PCAL6408A_REG_INPUT_PORT, port_number);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_write(uint32_t port_number, uint8_t value)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT,
- port_number,
- value,
- PCAL6408A_PORT_WRITE);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_set(uint32_t port_number, uint8_t set_mask)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT,
- port_number,
- set_mask,
- PCAL6408A_PORT_SET);
- }
- __STATIC_INLINE ret_code_t pcal6408a_port_clear(uint32_t port_number, uint8_t clr_mask)
- {
- return pcal6408a_port_cfg_reg_set(PCAL6408A_REG_OUTPUT_PORT,
- port_number,
- clr_mask,
- PCAL6408A_PORT_CLEAR);
- }
- }
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