Commit f032b82

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Merge pull request #458 from mgcookson/fix-wifi-read-timeout-when-zero-bytes-available

Fix 10 second delay in WiFiClient read methods when no data is available to read

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Lines changed: 6 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -289,15 +289,18 @@ ModemClass::ParseResult ModemClass::buf_read(const string &prompt, string &data_`
`289`	`289`	`* in case multiple parameters separated by ',' are sent, they will be present in data_res`
`290`	`290`	`* - if we encounter <CR> we need to wait for <LF>`
`291`	`291`	`* - if we encounter <LF> we need to parse the response status`
`292`		`- * - if we encounter '\|', the next token will contain binary sized data, the current value in`
	`292`	`+ * - if we encounter '\|', the next token will contain binary sized data, the current value`
`293`	`293`	`* in data_res contains the length of the next token`
`294`	`294`	`*/`
`295`	`295`
`296`	`296`	`if(c == '\|') { // sized read, the previous parameter is the length`
`297`		`- state = at_parse_state_t::Sized;`
`298`		`-`
`299`	`297`	`sized_read_size = atoi(data_res.c_str());`
`300`	`298`	`data_res.clear();`
	`299`	`+ if (sized_read_size != 0) {`
	`300`	`+ state = at_parse_state_t::Sized;`
	`301`	`+ } else {`
	`302`	`+ state = at_parse_state_t::Res;`
	`303`	`+ }`
`301`	`304`	`} else if(c == '\r') {`
`302`	`305`	`state = at_parse_state_t::ResWaitLF;`
`303`	`306`	`} else if(c == '\n') {`

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