maXTouch component.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
Data Structures | |
struct | mxt_conf_messageprocessor_t5 |
Object message. More... | |
struct | mxt_device |
maXTouch device information data container struct More... | |
struct | mxt_gen_commandprocessor_t6 |
Commandprocessor T6 object. More... | |
struct | mxt_info_object |
Identification header. More... | |
struct | mxt_object |
Object table entry. More... | |
struct | mxt_report_id_map |
Map of the report ID vs object type and instance. More... | |
struct | mxt_touch_event |
Touch event struct. More... | |
Macros | |
#define | MXT_MAX_MSG_SIZE 7 |
#define | MXT_RESET_TIME 65 |
#define | MXT_TWI_MSG_SIZE_T5 MXT_MAX_MSG_SIZE + 2 |
COMMSCONFIG T18 object control register bit positions | |
#define | MXT_COMMSCONFIG_T18_CHG_MODE_bp 2 |
#define | MXT_COMMSCONFIG_T18_DISMNTR_bp 7 |
COMMANDPROCESSOR T6 object register offset | |
#define | MXT_GEN_COMMANDPROCESSOR_RESET 0 |
#define | MXT_GEN_COMMANDPROCESSOR_BACKUPNV 1 |
#define | MXT_GEN_COMMANDPROCESSOR_CALIBRATE 2 |
#define | MXT_GEN_COMMANDPROCESSOR_REPORTALL 3 |
#define | MXT_GEN_COMMANDPROCESSOR_DIAGNOSTIC 5 |
Touch event types | |
#define | MXT_UNGRIP_EVENT 1 |
#define | MXT_SUPPRESS_EVENT 2 |
#define | MXT_AMP_EVENT 4 |
#define | MXT_VECTOR_EVENT 8 |
#define | MXT_MOVE_EVENT 16 |
#define | MXT_RELEASE_EVENT 32 |
#define | MXT_PRESS_EVENT 64 |
#define | MXT_DETECT_EVENT 128 |
Typedefs | |
typedef uint16_t | mxt_memory_adr |
typedef void(* | mxt_message_handler_t )(struct mxt_device *device, struct mxt_conf_messageprocessor_t5 *message) |
Message handler prototype. More... | |
Enumerations | |
enum | mxt_object_type { MXT_GEN_MESSAGEPROCESSOR_T5 = 5, MXT_GEN_COMMANDPROCESSOR_T6 = 6, MXT_GEN_POWERCONFIG_T7 = 7, MXT_GEN_ACQUISITIONCONFIG_T8 = 8, MXT_TOUCH_MULTITOUCHSCREEN_T9 = 9, MXT_SPT_COMMSCONFIG_T18 = 18, MXT_SPT_MESSAGECOUNT_T44 = 44, MXT_SPT_CTE_CONFIGURATION_T46 = 46, MXT_PROCG_TOUCHSUPPRESSION_T48 = 48, MXT_PROCI_SHIELDLESS_T56 = 56 } |
Object types. More... | |
Functions | |
status_code_t | mxt_close_device (struct mxt_device *device) |
Closes the twi connection and frees memory. More... | |
int8_t | mxt_get_message_count (struct mxt_device *device) |
Get pending message count. More... | |
uint16_t | mxt_get_object_address (struct mxt_device *device, uint8_t object_id, uint8_t instance) |
Get memory address to object. More... | |
enum mxt_object_type | mxt_get_object_type (struct mxt_device *device, struct mxt_conf_messageprocessor_t5 *message) |
Get object type from message. More... | |
status_code_t | mxt_init_device (struct mxt_device *device, twihs_master_t interface, uint8_t chip_adr, uint32_t chgpin) |
Initialize maXTouch device connected to TWIx module. More... | |
bool | mxt_is_message_pending (struct mxt_device *device) |
Report if there is any pending messages in the queue. More... | |
status_code_t | mxt_load_configuration (struct mxt_device *device, void *configuration_data) |
status_code_t | mxt_probe_device (twihs_master_t interface, uint8_t chip_adr) |
Probe for a maXTouch connected to a specific TWI line. More... | |
status_code_t | mxt_process_messages (struct mxt_device *device) |
Process message queue on maXTouch device. More... | |
status_code_t | mxt_read_config_object (struct mxt_device *device, mxt_memory_adr memory_adr, void *obj_data) |
Read object configuration. More... | |
status_code_t | mxt_read_config_reg (struct mxt_device *device, mxt_memory_adr memory_adr, uint8_t *value) |
Read object register. More... | |
status_code_t | mxt_read_message (struct mxt_device *device, struct mxt_conf_messageprocessor_t5 *message) |
Get next message in queue. More... | |
status_code_t | mxt_read_touch_event (struct mxt_device *device, struct mxt_touch_event *touch_event) |
Read next touch event in queue, skip other events (other events are lost) More... | |
void | mxt_set_message_handler (struct mxt_device *device, mxt_message_handler_t handler) |
Set message handler. More... | |
status_code_t | mxt_write_config_object (struct mxt_device *device, mxt_memory_adr memory_adr, void *obj_data) |
Write object configuration. More... | |
status_code_t | mxt_write_config_reg (struct mxt_device *device, mxt_memory_adr memory_adr, uint8_t value) |
Write object register. More... | |
#define MXT_MAX_MSG_SIZE 7 |
#define MXT_RESET_TIME 65 |
Referenced by mxt_init().
#define MXT_TWI_MSG_SIZE_T5 MXT_MAX_MSG_SIZE + 2 |
Referenced by mxt_read_message(), and mxt_validate_message().
typedef uint16_t mxt_memory_adr |