lmx/99_7018_lmx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

uid有时读取失败

Browse Source
This commit is contained in:
lmx
2025-12-01 18:05:09 +08:00
parent 976dafada1
commit b8d48ebe19
9 changed files with 23 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
apps/earphone/remote_control/RFID/reader/READER.c
View File

@ -31,46 +31,6 @@ struct picc_v_struct PICC_V;
struct picc_f_struct PICC_F;
/**
* @brief 等待FM176XX芯片内部中断标志。
* @param wait_irq_flag [in] 要等待的中断标志位 (例如 BIT_IDLE_IRQ, BIT_TIMER_IRQ)。
* @return 操作状态，SUCCESS表示成功等到目标标志，FAIL表示超时或出错。
* @details
* 该函数会轮询REG_INTREQ寄存器，直到指定的标志位被置位，
* 或者芯片自身的定时器超时。同时包含一个软件超时以防止死循环。
*/
static unsigned char Wait_IRQ(unsigned char wait_irq_flag)
{
unsigned char irq0_val, irq1_val;
unsigned int timeout = 200; // 软件超时计数，大约 200ms
// 清除所有中断标志位 (通过写1来清除)
SetReg(REG_IRQ0, 0xFF);
SetReg(REG_IRQ1, 0xFF);
do {
GetReg(REG_IRQ0, &irq0_val);
GetReg(REG_IRQ1, &irq1_val);
// 检查是否等到我们需要的标志 (Idle IRQ 在 IRQ0)
if (irq0_val & wait_irq_flag) {
return SUCCESS;
}
// 检查是否是芯片硬件定时器超时 (Timer IRQs 在 IRQ1)
if (irq1_val & BIT_TIMER0IRQ) {
xlog("Wait_IRQ: Hardware Timer Timeout!\n");
return FAIL;
}
rfid_delay_ms(1); // 短暂延时，避免CPU空转
timeout--;
} while (timeout > 0);
xlog("Wait_IRQ: Software Timeout!\n");
return FAIL;
}
/********************************************************************************************************
* 公共接口函数
********************************************************************************************************/
@ -171,7 +131,7 @@ unsigned char SetCW(unsigned char mode)
ModifyReg(REG_COMMAND, BIT_MODEMOFF, FUN_ENABLE);
ModifyReg(REG_TXMODE, BIT_TPUSHON | BIT_TPULLON, FUN_DISABLE);
}
rfid_delay_ms(5);
rfid_delay_ms(10);
return SUCCESS;
}
@ -640,9 +600,7 @@ unsigned char ReaderV_Inventory(struct picc_v_struct *picc_v)
{
unsigned char reg_data, i, result; // 新增 result 变量
SetCommand(CMD_IDLE);
// 设置15ms的硬件超时
SetTimer(15);
SetReg(REG_TXDATANUM, 0x08);
ModifyReg(REG_FIFOCONTROL, BIT_FIFOFLUSH, FUN_ENABLE);
@ -654,16 +612,7 @@ unsigned char ReaderV_Inventory(struct picc_v_struct *picc_v)
ModifyReg(REG_RXCRCCON, BIT_CRCEN, FUN_ENABLE);
SetCommand(CMD_TRANSCEIVE);
// 使用新的等待函数，等待命令完成或硬件超时
result = Wait_IRQ(BIT_IDLE_IRQ);
SetTimer(0); // 关闭定时器
if (result != SUCCESS) {
xlog("Wait_IRQ failed after TRANSCEIVE.\n");
SetCommand(CMD_IDLE); // 尝试让芯片恢复IDLE状态
return FAIL;
}
rfid_delay_ms(50);
GetReg(REG_ERROR, &reg_data);
if ((reg_data & 0x0F) != 0){
@ -682,7 +631,9 @@ unsigned char ReaderV_Inventory(struct picc_v_struct *picc_v)
for (i = 0; i < 8; i++)
{
GetReg(REG_FIFODATA, &picc_v->UID[i]);
// xlog("%d ",picc_v->UID[i]);
}
// xlog("\r\n");
return SUCCESS;
}
@ -693,7 +644,7 @@ unsigned char ReaderV_Inventory(struct picc_v_struct *picc_v)
*/
unsigned char ReaderV_Select(struct picc_v_struct *picc_v)
{
unsigned char reg_data;
unsigned char reg_data, result;
SetCommand(CMD_IDLE);
SetReg(REG_TXDATANUM, 0x08);
ModifyReg(REG_FIFOCONTROL, BIT_FIFOFLUSH, FUN_ENABLE);