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ftdiJtagMPSSE,jtag,jtagInterface: allows to force read/write edge configuration (useful to mimic SPI through JTAG)

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Gwenhael Goavec-Merou
2023-10-24 07:26:19 +02:00
parent b76a67963e
commit fd8497026a
3 changed files with 69 additions and 0 deletions
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src/jtagInterface.hpp
+23
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@@ -24,6 +24,29 @@ class JtagInterface {
virtual int setClkFreq(uint32_t clkHZ) = 0;
virtual uint32_t getClkFreq() {return _clkHZ;}
enum tck_edge_t {
FALLING_EDGE = 0,
RISING_EDGE = 1,
NONE_EDGE = 2,
};
/*!
* Return constant to describe if read is on rising or falling TCK edge
*/
tck_edge_t getReadEdge() { return NONE_EDGE; }
/*!
* configure TCK edge used for read
*/
void setReadEdge(tck_edge_t rd_edge) { (void) rd_edge; }
/*!
* Return constant to describe if write is on rising or falling TCK edge
*/
tck_edge_t getWriteEdge() { return NONE_EDGE; }
/*!
* configure TCK edge used for write
*/
void setWriteEdge(tck_edge_t wr_edge) { (void)wr_edge; }
/*!
* \brief flush TMS internal buffer (ie. transmit to converter)
* \param tdo: pointer for read operation. May be NULL