QEP计数，丢脉冲

建议将A B相的波形经逻辑器件处理之后    输出两路   分别接入QEP和数显 

或者去掉数显    直接用QEP采集  也是会丢脉冲吗

还有当计数器溢出后你是怎么处理的    丢脉冲有规律吗   

請問問題有解決嗎?
我也遇到問題
abz皆有訊號
但是進入dsp之後卻讀不到
以下是程式
不知道是哪裡錯了

我是直接將dsp28335 使用ccs6 然後接著看 theta_input的值
卻一直是0
希望有大大能幫檢查哪裡錯了
謝謝

////角位設定////
// GPIO-50 - PIN FUNCTION = EQEP1A
GpioCtrlRegs.GPBMUX2.bit.GPIO50 = 1; // 0=GPIO, 1=EQEP1A, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO50 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO50 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO54 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------
// GPIO-51 - PIN FUNCTION = EQEP1B
GpioCtrlRegs.GPBMUX2.bit.GPIO51 = 1; // 0=GPIO, 1=EQEP1B, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO51 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO51 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO51 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------
// GPIO-53 - PIN FUNCTION = EQEP1I
GpioCtrlRegs.GPBMUX2.bit.GPIO53 = 1; // 0=GPIO, 1=EQEP1I, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO53 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO53 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO53 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------


void Init_qep(void)
{
EQep1Regs.QDECCTL.bit.QSRC=0; // Quadrature count mode
EQep1Regs.QDECCTL.bit.XCR=0; // 2x resolution (cnt falling and rising edges)
EQep1Regs.QDECCTL.bit.QIP=1; // QIP Active low
EQep1Regs.QDECCTL.bit.SWAP=1; // reverse the counting direction
EQep1Regs.QEPCTL.bit.FREE_SOFT=2; // Position counter is unaffected by emulation suspend
EQep1Regs.QEPCTL.bit.PCRM=01; // QPOSCNT reset on Maximum position
EQep1Regs.QEPCTL.bit.IEI=10; // Initialize the position counter at the rising edge of index event
EQep1Regs.QPOSINIT=0; // the index position
EQep1Regs.QPOSMAX=10000; // decided by motor (8P/2500)
EQep1Regs.QEPCTL.bit.QPEN=1; // QEP enable
EQep1Regs.QCAPCTL.bit.UPPS=5; // 1/32 for unit position
EQep1Regs.QCAPCTL.bit.CCPS=7; // 1/128 for CAP clock
EQep1Regs.QCAPCTL.bit.CEN=1; // QEP Capture Enable
}

theta_input = EQep1Regs.QPOSCNT;

請問問題有解決嗎?
我也遇到問題
abz皆有訊號
但是進入dsp之後卻讀不到
以下是程式
不知道是哪裡錯了

我是直接將dsp28335 使用ccs6 然後接著看 theta_input的值
卻一直是0
希望有大大能幫檢查哪裡錯了
謝謝

////角位設定////
// GPIO-50 - PIN FUNCTION = EQEP1A
GpioCtrlRegs.GPBMUX2.bit.GPIO50 = 1; // 0=GPIO, 1=EQEP1A, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO50 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO50 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO54 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------
// GPIO-51 - PIN FUNCTION = EQEP1B
GpioCtrlRegs.GPBMUX2.bit.GPIO51 = 1; // 0=GPIO, 1=EQEP1B, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO51 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO51 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO51 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------
// GPIO-53 - PIN FUNCTION = EQEP1I
GpioCtrlRegs.GPBMUX2.bit.GPIO53 = 1; // 0=GPIO, 1=EQEP1I, 2=Resv,
// GpioCtrlRegs.GPBDIR.bit.GPIO53 = 0; // 1=OUTput, 0=INput
// GpioDataRegs.GPBCLEAR.bit.GPIO53 = 1; // uncomment if --> Set Low initially
// GpioDataRegs.GPBSET.bit.GPIO53 = 1; // uncomment if --> Set High initially
//--------------------------------------------------------------------------------------


void Init_qep(void)
{
EQep1Regs.QDECCTL.bit.QSRC=0; // Quadrature count mode
EQep1Regs.QDECCTL.bit.XCR=0; // 2x resolution (cnt falling and rising edges)
EQep1Regs.QDECCTL.bit.QIP=1; // QIP Active low
EQep1Regs.QDECCTL.bit.SWAP=1; // reverse the counting direction
EQep1Regs.QEPCTL.bit.FREE_SOFT=2; // Position counter is unaffected by emulation suspend
EQep1Regs.QEPCTL.bit.PCRM=01; // QPOSCNT reset on Maximum position
EQep1Regs.QEPCTL.bit.IEI=10; // Initialize the position counter at the rising edge of index event
EQep1Regs.QPOSINIT=0; // the index position
EQep1Regs.QPOSMAX=10000; // decided by motor (8P/2500)
EQep1Regs.QEPCTL.bit.QPEN=1; // QEP enable
EQep1Regs.QCAPCTL.bit.UPPS=5; // 1/32 for unit position
EQep1Regs.QCAPCTL.bit.CCPS=7; // 1/128 for CAP clock
EQep1Regs.QCAPCTL.bit.CEN=1; // QEP Capture Enable
}

theta_input = EQep1Regs.QPOSCNT;