// Function Name: display_init
// Author: Drew Schuster
// Called by: main
// Purpose: Initializes the display
// Calling convention: display_init();
// Conditions at exit: Display will be initialized, text can now be displayed
// Date Started: March 14th
// Update History: See Github repository at https://github.com/dr3wster/We-are-Wireless-Audio
void display_init(void)
{
//Reset pin for the LED display
PINSEL6 &= 0xFFFFFCFF;
FIO3DIR = 1 << 4 ; //pin configured as output
FIO3SET =1<<4; //pin goes High
//Let's setup the volume input pins! P3[2-4]
PINSEL6 &= 0xFFFFFC0F ; // Configure all 3 pins as I/O
while (clock_1s ==0);
clock_1s=0;
FIO3CLR =1<<4 ; // pin goes Low.
while (clock_1s ==1);
while (clock_1s ==0);
clock_1s=0;
//set nReset to high
FIO3SET =1<<4; //pin goes High
while (clock_1s==1);
while (clock_1s==0);
clock_1s=0;
sendchar3(0x55);
in = getkey3();
if (in != 6)
{
//We have a problem, ack was not received properly!
}
/*Initialization complete*/
//Set a black background
sendchar3(0x42);
sendchar3(0x00);
sendchar3(0x00);
in = getkey3();
}
//接收反馈数据缓冲
int FINGERPRINT_Recevice_Data(int ucLength)
{
int i=0;
int ch;
int timeout = 0;
while(1) {
if(timeout++ >= 1000000000) {
return -1;
}
ch = getkey3();
if(ch != -1) {
UART_RECEVICE_BUFFER[i] = ch;
i++;
if(i==ucLength){
break;
}
}
}
return UART_RECEVICE_BUFFER[9];
}
/*------------------ FINGERPRINT命令字 --------------------------*/
//接收反馈数据缓冲
int FINGERPRINT_Recevice_Data(int ucLength)
{
int i=0;
int ch;
int timeout = 0;
while(1) {
if(timeout++ >= 1000000000) {
return -1;
}
ch = getkey3();
if(ch != -1) {
UART_RECEVICE_BUFFER[i] = ch;
i++;
if(i==ucLength){
break;
}
}
}
return UART_RECEVICE_BUFFER[9];
}
//读模块系统基本参数
int ZAZ_SetSysPara(void)
{
int i;
for(i=0;i<6;i++) //发送包头
{
SER_PutChar3(ZAZ_Pack_Head[i]);
}
for(i=0;i<8;i++){
SER_PutChar3(ZAZ_Set_Syspara[i]);
}
FINGERPRINT_Recevice_Data(12);
return 0;
}
int * ZAZ_ReadSysPara(void)
{
int i;
int ret[17];
for(i=0;i<6;i++) //发送包头
{
SER_PutChar3(ZAZ_Pack_Head[i]);
}
for(i=0;i<6;i++) //发送命令 0x1d
{
SER_PutChar3(ZAZ_Read_SysPara[i]);
}
FINGERPRINT_Recevice_Data(28);
for(i=0;i<17;i++){
ret[i]= UART_RECEVICE_BUFFER[i+9];
}
return ret;
}
static int FINGERPRINT_Cmd_Get_Img(void)
{
int i;
for(i=0;i<6;i++) //发送包头
{
SER_PutChar3(ZAZ_Pack_Head[i]);
}
for(i=0;i<6;i++) //发送命令 0x1d
{
SER_PutChar3(ZAZ_Get_Img[i]);
}
return 0;
}
//录入指纹图像
int ZAZ_GetImag(void)
{
int ret;
do{
FINGERPRINT_Cmd_Get_Img(); //获得指纹图像
ret=FINGERPRINT_Recevice_Data(12); //接收12个长度的反馈码
}while(ret!=ZAZ_OK);
return ret;
}
static void FINGERPRINT_Img_To_Buffer(int BufferID)
{
unsigned long temp = 0;
int i;
ZAZ_Img_To_Buffer[4]=BufferID;
for(i=0;i<5;i++) //计算校验和
temp = temp + ZAZ_Img_To_Buffer[i];
ZAZ_Img_To_Buffer[5]=(temp & 0xFF00) >> 8; //存放校验数据
ZAZ_Img_To_Buffer[6]= temp & 0x00FF;
for(i=0;i<6;i++) //发送包头
SER_PutChar3(ZAZ_Pack_Head[i]);
for(i=0;i<7;i++)
SER_PutChar3(ZAZ_Img_To_Buffer[i]);
}
//图像生成特征存于BufferID中
int ZAZ_GenChar(int BufferID)
{
int ret=0;
FINGERPRINT_Img_To_Buffer(BufferID); //发送命令 将图像转换成 特征码 存放在 CHAR_buffer
ret=FINGERPRINT_Recevice_Data(12); //接收12个长度的反馈码
return ret;
}
//将BUFFER1 跟 BUFFER2 中的特征码合并成指纹模版
int ZAZ_RegModel(void)
{
int i;
int ret=0;
for(i=0;i<6;i++) //包头
{
SER_PutChar3(ZAZ_Pack_Head[i]);
}
for(i=0;i<6;i++) //命令合并指纹模版
{
SER_PutChar3(ZAZ_Reg_Model[i]);
}
ret=FINGERPRINT_Recevice_Data(12); //接收12个长度的反馈码
return ret;
}
//接收后续数据包
// /***start: 2 adder: 4 pid: 1 length: 2 data: 128 sum: 2 共139个字节 发送7个数据包 1个结束数据包****/
static int Subsequent_Recevice_Data()
{
int ch;
static int n=0;
int cnt;
int DATA_LONG=0;
int Subsequent_RECEVICE_HEAD[6]={0xEF,0x01,0xFF,0xFF,0xFF,0xFF};
int Subsequent_PID[2]={0x02,0x08};
int NUM=0;
BUFFER_NUM=0;
while(1){
ch=getkey3();
if(ch!=-1){
Subsequent_RECEVICE_BUFFER[BUFFER_NUM] = ch;
// SER_PutChar2(Subsequent_RECEVICE_BUFFER[BUFFER_NUM]);
if(BUFFER_NUM >= 1111){
break;
}
BUFFER_NUM++;
}
}
while(1){
if((Subsequent_RECEVICE_BUFFER[NUM]==Subsequent_RECEVICE_HEAD[0])&&(Subsequent_RECEVICE_BUFFER[NUM+1]==Subsequent_RECEVICE_HEAD[1])&&(Subsequent_RECEVICE_BUFFER[NUM+2]==Subsequent_RECEVICE_HEAD[2])&&(Subsequent_RECEVICE_BUFFER[NUM+3]==Subsequent_RECEVICE_HEAD[3])&&(Subsequent_RECEVICE_BUFFER[NUM+4]==Subsequent_RECEVICE_HEAD[4])&&(Subsequent_RECEVICE_BUFFER[NUM+5]==Subsequent_RECEVICE_HEAD[5])){
NUM+=6;
if(Subsequent_RECEVICE_BUFFER[NUM]==Subsequent_PID[0]){
Subsequent_RECEVICE_LENGTH[0]=Subsequent_RECEVICE_BUFFER[++NUM];
Subsequent_RECEVICE_LENGTH[1]=Subsequent_RECEVICE_BUFFER[++NUM];
DATA_LONG=Subsequent_RECEVICE_LENGTH[0];
DATA_LONG=DATA_LONG << 8 | Subsequent_RECEVICE_LENGTH[1];
DATA_LONG -= 2;
cnt=0;
while(cnt < DATA_LONG){
Subsequent_RECEVICE_DATA[n]=Subsequent_RECEVICE_BUFFER[++NUM];
n++;
cnt++;
}
Subsequent_RECEVICE_SUM[0]=Subsequent_RECEVICE_BUFFER[++NUM];
Subsequent_RECEVICE_SUM[1]=Subsequent_RECEVICE_BUFFER[++NUM];
}else if(Subsequent_RECEVICE_BUFFER[NUM]==Subsequent_PID[1]){
Subsequent_RECEVICE_LENGTH[0]=Subsequent_RECEVICE_BUFFER[++NUM];
Subsequent_RECEVICE_LENGTH[1]=Subsequent_RECEVICE_BUFFER[++NUM];
DATA_LONG=Subsequent_RECEVICE_LENGTH[0];
DATA_LONG=DATA_LONG << 8 | Subsequent_RECEVICE_LENGTH[1];
DATA_LONG -= 2;
cnt=0;
while(cnt < DATA_LONG){
Subsequent_RECEVICE_DATA[n]=Subsequent_RECEVICE_BUFFER[++NUM];
n++;
cnt++;
}
Subsequent_RECEVICE_SUM[0]=Subsequent_RECEVICE_BUFFER[++NUM];
Subsequent_RECEVICE_SUM[1]=Subsequent_RECEVICE_BUFFER[++NUM];
break;
}
}
NUM++;
}
return 0;
}