lcm_i2c.c File Reference

#include "lcm_i2c.h"
#include "lcm_module.h"
#include "lcm_led.h"
#include "event_log.h"
#include "ch32v00x_conf.h"

Go to the source code of this file.

Enumerations
enum	LCM_I2C_RxState { LCM_I2C_WAIT_CMD = 0 , LCM_I2C_WAIT_PARAM , LCM_I2C_ARMED_READ }

Functions
static uint8_t	LCM_IsTwoByteCmd (uint8_t cmd)
static uint8_t	LCM_IsReadCmd (uint8_t cmd)
static void	LCM_I2C_ResetRx (void)
static void	LCM_I2C_OnRxData (uint8_t byte)
void	LCM_I2C_ArmRead (uint8_t byte)
void	LCM_I2C_Init (uint8_t addr)
void	I2C1_EV_IRQHandler (void)
void	I2C1_ER_IRQHandler (void)

Variables
static volatile LCM_I2C_RxState	s_i2c_rx_state = LCM_I2C_WAIT_CMD
static volatile uint8_t	s_i2c_cmd
static volatile uint8_t	s_i2c_tx_byte
static volatile uint8_t	s_i2c_tx_pending

Enumeration Type Documentation

LCM_I2C_RxState

enum LCM_I2C_RxState

Enumerator
LCM_I2C_WAIT_CMD
LCM_I2C_WAIT_PARAM
LCM_I2C_ARMED_READ

Definition at line 29 of file lcm_i2c.c.

Function Documentation

I2C1_ER_IRQHandler()

void I2C1_ER_IRQHandler

(

void

)

Definition at line 271 of file lcm_i2c.c.

I2C1_EV_IRQHandler()

void I2C1_EV_IRQHandler

(

void

)

Definition at line 215 of file lcm_i2c.c.

LCM_I2C_ArmRead()

void LCM_I2C_ArmRead

(

uint8_t

byte

)

Definition at line 129 of file lcm_i2c.c.

References LCM_I2C_ARMED_READ, s_i2c_rx_state, s_i2c_tx_byte, and s_i2c_tx_pending.

Referenced by LCM_Module_ExecuteSingleByte(), and LCM_Module_ExecuteTwoByte().

LCM_I2C_Init()

void LCM_I2C_Init

(

uint8_t

addr

)

Definition at line 136 of file lcm_i2c.c.

References LCM_I2C_ResetRx(), and LCM_I2C_SPEED_HZ.

Referenced by LCM_Module_Init().

LCM_I2C_OnRxData()

static void LCM_I2C_OnRxData ( uint8_t byte )

static

Definition at line 104 of file lcm_i2c.c.

References EventLog_PushI2cCmd(), EventLog_PushI2cReadArm(), LCM_I2C_WAIT_CMD, LCM_I2C_WAIT_PARAM, LCM_IsReadCmd(), LCM_IsTwoByteCmd(), LCM_Led_ActivityPulse(), LCM_Module_ExecuteSingleByte(), LCM_Module_ExecuteTwoByte(), s_i2c_cmd, and s_i2c_rx_state.

LCM_I2C_ResetRx()

static void LCM_I2C_ResetRx ( void )

static

Definition at line 83 of file lcm_i2c.c.

References LCM_I2C_WAIT_CMD, s_i2c_cmd, s_i2c_rx_state, and s_i2c_tx_pending.

Referenced by LCM_I2C_Init().

LCM_IsReadCmd()

static uint8_t LCM_IsReadCmd ( uint8_t cmd )

static

Definition at line 69 of file lcm_i2c.c.

References LCM_GET_ERROR, and LCM_GET_ID.

Referenced by LCM_I2C_OnRxData().

LCM_IsTwoByteCmd()

static uint8_t LCM_IsTwoByteCmd ( uint8_t cmd )

static

Definition at line 50 of file lcm_i2c.c.

References LCM_LAMP_ON, and LCM_SET_ADDR.

Referenced by LCM_I2C_OnRxData().

Variable Documentation

s_i2c_cmd

volatile uint8_t s_i2c_cmd

static

Definition at line 37 of file lcm_i2c.c.

Referenced by LCM_I2C_OnRxData(), and LCM_I2C_ResetRx().

s_i2c_rx_state

volatile LCM_I2C_RxState s_i2c_rx_state = LCM_I2C_WAIT_CMD

static

Definition at line 36 of file lcm_i2c.c.

Referenced by LCM_I2C_ArmRead(), LCM_I2C_OnRxData(), and LCM_I2C_ResetRx().

s_i2c_tx_byte

volatile uint8_t s_i2c_tx_byte

static

Definition at line 38 of file lcm_i2c.c.

Referenced by LCM_I2C_ArmRead().

s_i2c_tx_pending

volatile uint8_t s_i2c_tx_pending

static

Definition at line 39 of file lcm_i2c.c.

Referenced by LCM_I2C_ArmRead(), and LCM_I2C_ResetRx().