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openFPGALoader
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ftdipp_mpsse: init take ftdi mode

This commit is contained in:
Gwenhael Goavec-Merou 2020-03-06 08:24:49 +01:00
parent 7b4902c460
commit 5eb4286cb4
2 changed files with 24 additions and 17 deletions
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33
src/ftdipp_mpsse.cpp
View File

@ -138,6 +138,7 @@ int FTDIpp_MPSSE::close_device()
int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
unsigned char mode,
mpsse_bit_config & bit_conf)
{
unsigned char buf_cmd[6] = { SET_BITS_LOW, 0, 0,
@ -149,9 +150,11 @@ int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
return -1;
}
if (ftdi_set_bitmode(_ftdi, 0x00, BITMODE_RESET) < 0) {
cout << "bitmode_reset error" << endl;
return -1;
if (mode == BITMODE_MPSSE) {
if (ftdi_set_bitmode(_ftdi, 0x00, BITMODE_RESET) < 0) {
cout << "bitmode_reset error" << endl;
return -1;
}
}
if (ftdi_usb_purge_buffers(_ftdi) != 0) {
cout << "reset error" << endl;
@ -162,24 +165,26 @@ int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
return -1;
}
/* enable MPSSE mode */
if (ftdi_set_bitmode(_ftdi, bitmask_mode, BITMODE_MPSSE) < 0) {
if (ftdi_set_bitmode(_ftdi, bitmask_mode, mode) < 0) {
cout << "bitmode_mpsse error" << endl;
return -1;
}
if (mode == BITMODE_MPSSE) {
unsigned char buf1[5];
ftdi_read_data(_ftdi, buf1, 5);
unsigned char buf1[5];
ftdi_read_data(_ftdi, buf1, 5);
if (setClkFreq(_clkHZ, 0) < 0)
return -1;
if (setClkFreq(_clkHZ, 0) < 0)
return -1;
buf_cmd[1] = bit_conf.bit_low_val; // 0xe8;
buf_cmd[2] = bit_conf.bit_low_dir; // 0xeb;
buf_cmd[1] = bit_conf.bit_low_val; // 0xe8;
buf_cmd[2] = bit_conf.bit_low_dir; // 0xeb;
buf_cmd[4] = bit_conf.bit_high_val; // 0x00;
buf_cmd[5] = bit_conf.bit_high_dir; // 0x60;
mpsse_store(buf_cmd, 6);
mpsse_write();
buf_cmd[4] = bit_conf.bit_high_val; // 0x00;
buf_cmd[5] = bit_conf.bit_high_dir; // 0x60;
mpsse_store(buf_cmd, 6);
mpsse_write();
}
return 0;
}

8
src/ftdipp_mpsse.hpp
View File

@ -20,7 +20,8 @@ class FTDIpp_MPSSE {
int bit_high_dir;
} mpsse_bit_config;
int init(unsigned char latency, unsigned char bitmask_mode, mpsse_bit_config &bit_conf);
int init(unsigned char latency, unsigned char bitmask_mode, unsigned char mode,
mpsse_bit_config &bit_conf);
int setClkFreq(uint32_t clkHZ);
int setClkFreq(uint32_t clkHZ, char use_divide_by_5);
@ -39,8 +40,6 @@ class FTDIpp_MPSSE {
unsigned int udevstufftoint(const char *udevstring, int base);
bool search_with_dev(const std::string &device);
bool _verbose;
struct ftdi_context *_ftdi;
private:
int _vid;
int _pid;
@ -49,7 +48,10 @@ class FTDIpp_MPSSE {
char _product[64];
unsigned char _interface;
int _clkHZ;
protected:
struct ftdi_context *_ftdi;
int _buffer_size;
private:
int _num;
unsigned char *_buffer;
};