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软件读取rfid成功

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lmx
2025-12-01 18:51:24 +08:00
parent b8d48ebe19
commit ed475e870f
7 changed files with 56 additions and 20 deletions
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48
apps/earphone/remote_control/RFID/rfid_hal.c
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@ -14,11 +14,25 @@
#define xlog(format, ...) ((void)0)
#endif
/*
IFSEL1 IFSEL0 Host_Interface
0 0 UART
1 0 SPI
0 1 IIC
1 1 SPI
INTERFACE_TYPE == 0：iic
== 1: spi
== 2: uart
*/
#define INTERFACE_TYPE 0
//////////////////////////////////////////////////////////////////////////////////////////////////
//
#if INTERFACE_TYPE == 0 //iic接口
/*
注：iic读取rfid不建议使用底层的硬件iic，很容易造成程序崩溃，并且时序有时候对不上会造成读写信息错误
这里利用底层写好的软件iic接口来实现寄存器的读写
*/
/*
IF2 IF0 ADDR
@ -50,11 +64,23 @@ unsigned char FM176XX_HardInit(void){
* 接口：iic
*/
unsigned char GetReg(unsigned char address, unsigned char *reg_data){
if(_gravity_sensor_get_ndata(FM176_READ_ADDR, address, reg_data, 1)){
return SUCCESS;
}else{
soft_iic_start(0);
if (0 == soft_iic_tx_byte(0, FM176_WRITE_ADDR)) {
soft_iic_stop(0);
return FAIL;
}
if (0 == soft_iic_tx_byte(0, address)) {
soft_iic_stop(0);
return FAIL;
}
soft_iic_start(0);
if (0 == soft_iic_tx_byte(0, FM176_READ_ADDR)) {
soft_iic_stop(0);
return FAIL;
}
*reg_data = soft_iic_rx_byte(0, 0);
soft_iic_stop(0);
return SUCCESS;
}
@ -67,11 +93,21 @@ unsigned char GetReg(unsigned char address, unsigned char *reg_data){
* 接口：iic
*/
unsigned char SetReg(unsigned char address, unsigned char reg_data){
if(gravity_sensor_command(FM176_WRITE_ADDR, address, reg_data) == 0){
soft_iic_start(0);
if (0 == soft_iic_tx_byte(0, FM176_WRITE_ADDR)) {
soft_iic_stop(0);
return FAIL;
}else{
return SUCCESS;
}
if (0 == soft_iic_tx_byte(0, address)) {
soft_iic_stop(0);
return FAIL;
}
if (0 == soft_iic_tx_byte(0, reg_data)) {
soft_iic_stop(0);
return FAIL;
}
soft_iic_stop(0);
return SUCCESS;
}