/***
????Copyright?（c）?2016
????All?rights?reserved.

????File?name???????????:pca9685.c
????file?identification?:
????Subject?????????????:Say?something?about?the?file

????Current?Version?????:V1.0.0
????Author??????????????:Hacker
????Date????????????????:

????Instead?Version?????:
????Author??????????????:Hacker
????Date????????????????:
***/
#include?“PCA9685.h“
#include?“math.h“
#include?“delay.h“
#include?“Arduino.h“
#include?“usart.h“

#define?HARDWARE_IIC
#define?TEMP37	1365
#define?TEMP60	4095
#ifndef?HAC_STM32F103C8T6
??#define?I2C_Channel?I2C1
#else
??#define?I2C_Channel?I2C2
#endif
/*?STM32?I2C?快速模式?*/
#define?I2C_Speed??????????????100000

/*?這個地址只要與STM32外掛的I2C器件地址不一樣即可?*/
#define?I2C1_OWN_ADDRESS7??????0x0A

/*?PCA9685寫地址?*/
#define?I2C_Write_ADDRESS??????0x80

/*?PCA9685讀地址?*/
#define?I2C_Read_ADDRESS???????0x81



#define?TurnOn（）????GPIO_ResetBits（GPIOAGPIO_Pin_5）
#define?TurnOff（）???GPIO_SetBits（GPIOA?GPIO_Pin_5）

static?void?DELAY_US（u32?n）
{
	delay_us（n）;
}

/**
?*?[map?description]
?*?@param??x???????[description]
?*?@param??in_min??[description]
?*?@param??in_max??[description]
?*?@param??out_min?[description]
?*?@param??out_max?[description]
?*?@return?????????[description]
?*/
long?map（long?x?long?in_min?long?in_max?long?out_min?long?out_max）
{
??return?（x?-?in_min）?*?（out_max?-?out_min）?/?（in_max?-?in_min）?+?out_min;
}

/*******************************************************************************
*
*?功能????：I2C??I/O配置
*?參數????：無
*
******************************************************************************
*/
void?I2C_GPIO_Config（void）
{
??	GPIO_InitTypeDef??GPIO_InitStructure;
????RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOBENABLE）;
#ifndef?HAC_STM32F103C8T6
??RCC_APB1PeriphClockCmd（RCC_APB1Periph_I2C1ENABLE）;
??GPIO_InitStructure.GPIO_Pin?=??GPIO_Pin_6?|?GPIO_Pin_7;
#else
??RCC_APB1PeriphClockCmd（RCC_APB1Periph_I2C2ENABLE）;
??GPIO_InitStructure.GPIO_Pin?=??GPIO_Pin_10?|?GPIO_Pin_11;
#endif
??GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
??GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_OD;	???????//?開漏輸出
??GPIO_Init（GPIOB?&GPIO_InitStructure）;
}

/*******************************************************************************
??*
??*?功能????：I2C?工作模式配置
??*?參數????：無
??*
??******************************************************************************
??*/
?void?I2C_Mode_Configu（void）
{
??I2C_InitTypeDef??I2C_InitStructure;

??I2C_InitStructure.I2C_Mode?=?I2C_Mode_I2C;
??I2C_InitStructure.I2C_DutyCycle?=?I2C_DutyCycle_2;

??I2C_InitStructure.I2C_OwnAddress1?=I2C1_OWN_ADDRESS7;
??I2C_InitStructure.I2C_Ack?=?I2C_Ack_Enable;
??I2C_InitStructure.I2C_AcknowledgedAddress?=?I2C_AcknowledgedAddress_7bit;
??I2C_InitStructure.I2C_ClockSpeed?=?I2C_Speed;
??I2C_Init（I2C_Channel?&I2C_InitStructure）;
??I2C_Cmd（I2C_Channel?ENABLE）;
}


/***************************************************************************