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openFPGALoader
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jtag: adding method to inject device into active device list

This commit is contained in:
Gwenhael Goavec-Merou 2022-01-13 07:42:14 +01:00
parent 1f59dfd671
commit dddee79f53
2 changed files with 17 additions and 3 deletions
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8
src/jtag.cpp
View File

@ -178,8 +178,14 @@ bool Jtag::search_and_insert_device_with_idcode(uint32_t idcode)
if (irlength == -1) if (irlength == -1)
return false; return false;
_devices_list.insert(_devices_list.begin(), idcode); return insert_first(idcode, irlength);
}
bool Jtag::insert_first(uint32_t device_id, uint16_t irlength)
{
_devices_list.insert(_devices_list.begin(), device_id);
_irlength_list.insert(_irlength_list.begin(), irlength); _irlength_list.insert(_irlength_list.begin(), irlength);
return true; return true;
} }

12
src/jtag.hpp
View File

@ -19,7 +19,7 @@ class Jtag {
public: public:
Jtag(cable_t &cable, const jtag_pins_conf_t *pin_conf, std::string dev, Jtag(cable_t &cable, const jtag_pins_conf_t *pin_conf, std::string dev,
const std::string &serial, uint32_t clkHZ, int8_t verbose = 0, const std::string &serial, uint32_t clkHZ, int8_t verbose = 0,
const std::string &firmware_path=""); const std::string &firmware_path = "");
~Jtag(); ~Jtag();
/* maybe to update */ /* maybe to update */
@ -52,6 +52,13 @@ class Jtag {
* \return -1 if index is out of bound, index otherwise * \return -1 if index is out of bound, index otherwise
*/ */
uint16_t device_select(uint16_t index); uint16_t device_select(uint16_t index);
/*!
* \brief inject a device into list at the begin
* \param[in] device_id: idcode
* \param[in] irlength: device irlength
* \return false if fails
*/
bool insert_first(uint32_t device_id, uint16_t irlength);
int shiftIR(unsigned char *tdi, unsigned char *tdo, int irlen, int shiftIR(unsigned char *tdi, unsigned char *tdo, int irlen,
int end_state = RUN_TEST_IDLE); int end_state = RUN_TEST_IDLE);
@ -95,7 +102,8 @@ class Jtag {
JtagInterface *_jtag; JtagInterface *_jtag;
private: private:
void init_internal(cable_t &cable, const std::string &dev, const std::string &serial, void init_internal(cable_t &cable, const std::string &dev,
const std::string &serial,
const jtag_pins_conf_t *pin_conf, uint32_t clkHZ, const jtag_pins_conf_t *pin_conf, uint32_t clkHZ,
const std::string &firmware_path); const std::string &firmware_path);
/*! /*!