16 #include <zephyr/net/buf.h>
22 	if (at->buf[at->pos] == ',') {  in next_list()
27 int at_check_byte(struct net_buf *buf, char check_byte)  in at_check_byte()  argument
29 	const unsigned char *str = buf->data;  in at_check_byte()
34 	net_buf_pull(buf, 1);  in at_check_byte()
41 	while (at->buf[at->pos] == ' ') {  in skip_space()
53 	     isdigit((unsigned char)at->buf[at->pos]) != 0;  in at_get_number()
55 		*val = *val * 10U + at->buf[at->pos] - '0';  in at_get_number()
75 static int at_parse_result(const char *str, struct net_buf *buf,  in at_parse_result()  argument
79 	if ((!strncmp(str, "OK", 2)) && (at_check_byte(buf, '\n') == 0)) {  in at_parse_result()
84 	if ((!strncmp(str, "ERROR", 5)) && (at_check_byte(buf, '\n')) == 0) {  in at_parse_result()
92 static int get_cmd_value(struct at_client *at, struct net_buf *buf,  in get_cmd_value()  argument
97 	const char *str = (char *)buf->data;  in get_cmd_value()
99 	while (cmd_len < buf->len && at->pos != at->buf_max_len) {  in get_cmd_value()
101 			at->buf[at->pos++] = *str;  in get_cmd_value()
107 			at->buf[at->pos] = '\0';  in get_cmd_value()
113 	net_buf_pull(buf, cmd_len);  in get_cmd_value()
122 static int get_response_string(struct at_client *at, struct net_buf *buf,  in get_response_string()  argument
127 	const char *str = (char *)buf->data;  in get_response_string()
129 	while (cmd_len < buf->len && at->pos != at->buf_max_len) {  in get_response_string()
131 			at->buf[at->pos++] = *str;  in get_response_string()
137 			at->buf[at->pos] = '\0';  in get_response_string()
143 	net_buf_pull(buf, cmd_len);  in get_response_string()
154 	(void)memset(at->buf, 0, at->buf_max_len);  in reset_buffer()
158 static int at_state_start(struct at_client *at, struct net_buf *buf)  in at_state_start()  argument
162 	err = at_check_byte(buf, '\r');  in at_state_start()
171 static int at_state_start_cr(struct at_client *at, struct net_buf *buf)  in at_state_start_cr()  argument
175 	err = at_check_byte(buf, '\n');  in at_state_start_cr()
184 static int at_state_start_lf(struct at_client *at, struct net_buf *buf)  in at_state_start_lf()  argument
187 	if (at_check_byte(buf, '+') == 0) {  in at_state_start_lf()
190 	} else if (isalpha(*buf->data) != 0) {  in at_state_start_lf()
198 static int at_state_get_cmd_string(struct at_client *at, struct net_buf *buf)  in at_state_get_cmd_string()  argument
200 	return get_response_string(at, buf, ':', AT_STATE_PROCESS_CMD);  in at_state_get_cmd_string()
205 	if (strncmp(at->buf, "CME ERROR", 9) == 0) {  in is_cmer()
212 static int at_state_process_cmd(struct at_client *at, struct net_buf *buf)  in at_state_process_cmd()  argument
220 		at->resp(at, buf);  in at_state_process_cmd()
228 static int at_state_get_result_string(struct at_client *at, struct net_buf *buf)  in at_state_get_result_string()  argument
230 	return get_response_string(at, buf, '\r', AT_STATE_PROCESS_RESULT);  in at_state_get_result_string()
235 	if (strncmp(at->buf, "RING", 4) == 0) {  in is_ring()
242 static int at_state_process_result(struct at_client *at, struct net_buf *buf)  in at_state_process_result()  argument
252 	if (at_parse_result(at->buf, buf, &result) == 0) {  in at_state_process_result()
287 static int at_state_process_ag_nw_err(struct at_client *at, struct net_buf *buf)  in at_state_process_ag_nw_err()  argument
290 	return at_parse_cmd_input(at, buf, NULL, cme_handle,  in at_state_process_ag_nw_err()
294 static int at_state_unsolicited_cmd(struct at_client *at, struct net_buf *buf)  in at_state_unsolicited_cmd()  argument
297 		return at->unsolicited(at, buf);  in at_state_unsolicited_cmd()
316 int at_parse_input(struct at_client *at, struct net_buf *buf)  in at_parse_input()  argument
320 	while (buf->len) {  in at_parse_input()
324 		ret = parser_cb[at->state](at, buf);  in at_parse_input()
336 static int at_cmd_start(struct at_client *at, struct net_buf *buf,  in at_cmd_start()  argument
340 	if (!str_has_prefix(at->buf, prefix)) {  in at_cmd_start()
359 static int at_cmd_get_value(struct at_client *at, struct net_buf *buf,  in at_cmd_get_value()  argument
365 	return get_cmd_value(at, buf, '\r', AT_CMD_PROCESS_VALUE);  in at_cmd_get_value()
368 static int at_cmd_process_value(struct at_client *at, struct net_buf *buf,  in at_cmd_process_value()  argument
380 static int at_cmd_state_end_lf(struct at_client *at, struct net_buf *buf,  in at_cmd_state_end_lf()  argument
386 	err = at_check_byte(buf, '\n');  in at_cmd_state_end_lf()
404 int at_parse_cmd_input(struct at_client *at, struct net_buf *buf,  in at_parse_cmd_input()  argument
410 	while (buf->len) {  in at_parse_cmd_input()
415 		ret = cmd_parser_cb[at->cmd_state](at, buf, prefix, func, type);  in at_parse_cmd_input()
430 	return at->buf[at->pos] != '\0';  in at_has_next_list()
438 	if (at->buf[at->pos] != '(') {  in at_open_list()
450 	if (at->buf[at->pos] != ')') {  in at_close_list()
466 	if (at->buf[at->pos] != '"') {  in at_list_get_string()
471 	while (at->buf[at->pos] != '\0' && at->buf[at->pos] != '"') {  in at_list_get_string()
475 		name[i++] = at->buf[at->pos++];  in at_list_get_string()
484 	if (at->buf[at->pos] != '"') {  in at_list_get_string()
505 	if (at->buf[at->pos] == '-') {  in at_list_get_range()
510 	if (isdigit((unsigned char)at->buf[at->pos]) == 0) {  in at_list_get_range()