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Mixed case AT commands are not supported by real modems, don't bother

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to check CR for parity detection.
This commit is contained in:
Chris Osborn 2019-11-16 10:11:02 -08:00
parent 0d60ff0a6c
commit 05699cb948
1 changed files with 1 additions and 4 deletions
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5
src/modem_core.c
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@ -567,20 +567,17 @@ int mdm_parse_cmd(modem_config *cfg)
int detect_parity(modem_config *cfg) int detect_parity(modem_config *cfg)
{ {
int parity, eobits; int parity, eobits;
int charA, charT, charCR; int charA, charT;
charA = cfg->pchars[0]; charA = cfg->pchars[0];
charT = cfg->pchars[1]; charT = cfg->pchars[1];
charCR = cfg->pchars[2];
parity = (charA & 0x80) >> 7; parity = (charA & 0x80) >> 7;
parity |= (charT & 0x80) >> 6; parity |= (charT & 0x80) >> 6;
parity |= (charCR & 0x80) >> 5;
eobits = gen_parity(charA & 0x7f); eobits = gen_parity(charA & 0x7f);
eobits |= gen_parity(charT & 0x7f) << 1; eobits |= gen_parity(charT & 0x7f) << 1;
eobits |= gen_parity(charCR & 0x7f) << 2;
if (parity == eobits) if (parity == eobits)
return 2; return 2;