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all cable: always display real used frequency

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This commit is contained in:
Gwenhael Goavec-Merou
2021-02-05 06:28:19 +01:00
parent 3d29fb79fe
commit 5c49b1465a
6 changed files with 76 additions and 38 deletions
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src/anlogicCable.cpp
+29 -13
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@@ -83,10 +83,6 @@ AnlogicCable::AnlogicCable(uint32_t clkHZ, bool verbose):
throw std::exception();
}
if (clkHZ > 6000000) {
printInfo("Anlogic JTAG probe limited to 6MHz");
clkHZ = 6000000;
}
if (setClkFreq(clkHZ) < 0) {
cerr << "Fail to set frequency" << endl;
throw std::exception();
@@ -104,24 +100,41 @@ AnlogicCable::~AnlogicCable()
int AnlogicCable::setClkFreq(uint32_t clkHZ)
{
int actual_length;
int ret;
int ret, req_freq = clkHZ;
uint8_t buf[] = {ANLOGICCABLE_FREQ_CMD, 0};
if (clkHZ >= 6000000)
if (clkHZ > 6000000) {
printWarn("Anlogic JTAG probe limited to 6MHz");
clkHZ = 6000000;
}
if (clkHZ >= 6000000) {
buf[1] = ANLOGICCABLE_FREQ_6M;
else if (clkHZ >= 3000000)
clkHZ = 6000000;
} else if (clkHZ >= 3000000) {
buf[1] = ANLOGICCABLE_FREQ_3M;
else if (clkHZ >= 1000000)
clkHZ = 3000000;
} else if (clkHZ >= 1000000) {
buf[1] = ANLOGICCABLE_FREQ_1M;
else if (clkHZ >= 600000)
clkHZ = 1000000;
} else if (clkHZ >= 600000) {
buf[1] = ANLOGICCABLE_FREQ_600K;
else if (clkHZ >= 400000)
clkHZ = 600000;
} else if (clkHZ >= 400000) {
buf[1] = ANLOGICCABLE_FREQ_400K;
else if (clkHZ >= 200000)
clkHZ = 400000;
} else if (clkHZ >= 200000) {
buf[1] = ANLOGICCABLE_FREQ_200K;
else if (clkHZ >= 100000)
clkHZ = 200000;
} else if (clkHZ >= 100000) {
buf[1] = ANLOGICCABLE_FREQ_100K;
else if (clkHZ >= 90000)
clkHZ = 100000;
} else if (clkHZ >= 90000) {
buf[1] = ANLOGICCABLE_FREQ_90K;
clkHZ = 90000;
}
ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_CONF_EP,
buf, 2, &actual_length, 1000);
if (ret < 0) {
@@ -129,6 +142,9 @@ int AnlogicCable::setClkFreq(uint32_t clkHZ)
return -EXIT_FAILURE;
}
printWarn("Jtag frequency : requested " + std::to_string(req_freq) +
"Hz -> real " + std::to_string(clkHZ) + "Hz");
return clkHZ;
}