luke
/
openFPGALoader
mirror of https://github.com/trabucayre/openFPGALoader.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

xvc_client: fix frequency convertion

This commit is contained in:
Gwenhael Goavec-Merou 2022-07-06 20:57:47 +02:00
parent de42f8b239
commit e91ae5e65b
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/xvc_client.cpp
View File

@ -195,8 +195,8 @@ int XVC_client::flush()
int XVC_client::setClkFreq(uint32_t clkHz) int XVC_client::setClkFreq(uint32_t clkHz)
{ {
float clk_periodf = (1 / clkHz) * 1e9; double clk_periodf = (1e9 / clkHz);
uint32_t clk_period = (uint32_t)round(clk_periodf); uint32_t clk_period = (uint32_t)floor(clk_periodf);
_xfer_buf[0] = static_cast<uint8_t>((clk_period >> 0) & 0xff); _xfer_buf[0] = static_cast<uint8_t>((clk_period >> 0) & 0xff);
_xfer_buf[1] = static_cast<uint8_t>((clk_period >> 8) & 0xff); _xfer_buf[1] = static_cast<uint8_t>((clk_period >> 8) & 0xff);
@ -208,7 +208,8 @@ int XVC_client::setClkFreq(uint32_t clkHz)
return -EXIT_FAILURE; return -EXIT_FAILURE;
} }
printf("freq %d\n", atoi((const char *)_xfer_buf)); printf("freq %d %lf %d %d\n", clkHz, clk_periodf, clk_period,
atoi((const char *)_xfer_buf));
printf("%x %x %x %x\n", _xfer_buf[0], _xfer_buf[1], printf("%x %x %x %x\n", _xfer_buf[0], _xfer_buf[1],
_xfer_buf[2], _xfer_buf[3]); _xfer_buf[2], _xfer_buf[3]);