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make output buffer const

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This commit is contained in:
Alexey Starikovskiy
2023-08-29 19:51:41 +03:00
parent d5c72dcc58
commit 1908ccd83b
57 changed files with 235 additions and 230 deletions
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src/ch347jtag.cpp
+7 -7
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@@ -193,7 +193,7 @@ CH347Jtag::CH347Jtag(uint32_t clkHZ, int8_t verbose):
}
libusb_bulk_transfer(dev_handle, CH347JTAG_READ_EP, ibuf, 512,
&actual_length, CH347JTAG_TIMEOUT);
setClkFreq(clkHZ);
_setClkFreq(clkHZ);
return;
usb_release:
libusb_release_interface(dev_handle, CH347JTAG_INTF);
@@ -221,7 +221,7 @@ CH347Jtag::~CH347Jtag()
}
}
int CH347Jtag::setClkFreq(uint32_t clkHZ)
int CH347Jtag::_setClkFreq(uint32_t clkHZ)
{
unsigned i = 0, sl = 2000000;
if (clkHZ <= 2000000) {
@@ -244,7 +244,7 @@ int CH347Jtag::setClkFreq(uint32_t clkHZ)
return _clkHZ;
}
int CH347Jtag::writeTMS(uint8_t *tms, uint32_t len, bool flush_buffer)
int CH347Jtag::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer)
{
(void) flush_buffer;
@@ -307,15 +307,15 @@ int CH347Jtag::toggleClk(uint8_t tms, uint8_t tdi, uint32_t len)
return EXIT_SUCCESS;
}
int CH347Jtag::writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
int CH347Jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
{
if (!tx || !len)
return 0;
unsigned bytes = (len - ((end)?1:0)) / 8;
unsigned bits = len - bytes * 8;
uint8_t *rptr = rx;
uint8_t *tptr = tx;
uint8_t *txend = &tx[bytes];
const uint8_t *tptr = tx;
const uint8_t *txend = tx + bytes;
uint8_t cmd = (rx) ? CMD_BYTES_WR : CMD_BYTES_WO;
while (tptr < txend) {
unsigned avail = sizeof(obuf) - 3;
@@ -349,7 +349,7 @@ int CH347Jtag::writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
cmd = (rx) ? CMD_BITS_WR : CMD_BITS_WO;
uint8_t *ptr = &obuf[3];
uint8_t x = 0;
uint8_t *bptr = &tx[bytes];
const uint8_t *bptr = &tx[bytes];
for (unsigned i = 0; i < bits; ++i) {
uint8_t txb = bptr[i >> 3];
uint8_t _tdi = (txb & (1 << (i & 7))) ? SIG_TDI : 0;