/*
 * i2c_slave.c
 *
 *  Created on: Apr 19, 2024
 *      Author: NikmaOS-W
 */

#include "i2c_slave.h"
#define CTLR1_SWRST_Set          ((uint16_t)0x8000)

void I2C_Slave_Init(void){
    //扭抉技快投忘找抆 扭抉扼抖快 我扶我扯我忘抖我戒忘扯我我 SPI 找忘抗 抗忘抗 找忘技 批忪快 志抗抖攻折快扶 扭抉把找 GPIO
    GPIO_InitTypeDef GPIO_InitStructure={0};
    I2C_InitTypeDef I2C_InitStruct={0};

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,ENABLE);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    I2C_InitStruct.I2C_ClockSpeed = 100000;
    I2C_InitStruct.I2C_Mode = I2C_Mode_I2C;
    I2C_InitStruct.I2C_DutyCycle = I2C_DutyCycle_2;
    I2C_InitStruct.I2C_OwnAddress1 = 96;
    I2C_InitStruct.I2C_Ack = I2C_Ack_Enable;
    I2C_InitStruct.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;

    I2C_Init(I2C1,&I2C_InitStruct);

    I2C_Cmd(I2C1, ENABLE);

    I2C_AcknowledgeConfig( I2C1, ENABLE );
}

void I2C_slave_rcv(I2C_TypeDef * I2Cx,u8 * buf, u8 size){
   while( I2C_CheckEvent(I2Cx, I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED)!=READY){
       __NOP();
   };
   __NOP();
   for (u8 i=0;i<size;i++){
       while( I2C_CheckEvent(I2Cx,I2C_EVENT_SLAVE_BYTE_RECEIVED)!=READY){
       };
       buf[i]=I2C_ReceiveData(I2Cx);}
   while( I2C_CheckEvent(I2Cx,I2C_EVENT_SLAVE_STOP_DETECTED)!=READY){
          };
          I2C_Cmd(I2Cx, ENABLE);

}