46 	size_t num;  member
57 	priv->num = 0;  in sps30_serial_xfer()
122 static unsigned char sps30_serial_calc_chksum(const unsigned char *buf, size_t num)  in sps30_serial_calc_chksum()  argument
127 	for (i = 0; i < num; i++)  in sps30_serial_calc_chksum()
137 	int num = 0;  in sps30_serial_prep_frame()  local
140 	buf[num++] = SPS30_SERIAL_SOF_EOF;  in sps30_serial_prep_frame()
141 	buf[num++] = 0;  in sps30_serial_prep_frame()
142 	num += sps30_serial_put_byte(buf + num, cmd);  in sps30_serial_prep_frame()
143 	num += sps30_serial_put_byte(buf + num, arg_size);  in sps30_serial_prep_frame()
146 		num += sps30_serial_put_byte(buf + num, arg[i]);  in sps30_serial_prep_frame()
149 	chksum = sps30_serial_calc_chksum(buf + 1, num - 1);  in sps30_serial_prep_frame()
150 	num += sps30_serial_put_byte(buf + num, chksum);  in sps30_serial_prep_frame()
151 	buf[num++] = SPS30_SERIAL_SOF_EOF;  in sps30_serial_prep_frame()
153 	return num;  in sps30_serial_prep_frame()
161 	if ((priv->num < SPS30_SERIAL_FRAME_MIN_SIZE) ||  in sps30_serial_frame_valid()
162 	    (priv->num != SPS30_SERIAL_FRAME_MIN_SIZE +  in sps30_serial_frame_valid()
181 	chksum = sps30_serial_calc_chksum(priv->buf + 1, priv->num - 3);  in sps30_serial_frame_valid()
182 	if (priv->buf[priv->num - 2] != chksum) {  in sps30_serial_frame_valid()
233 	if (!priv->num && size && buf[0] != SPS30_SERIAL_SOF_EOF)  in sps30_serial_receive_buf()
236 	if (priv->num + size >= ARRAY_SIZE(priv->buf))  in sps30_serial_receive_buf()
237 		size = ARRAY_SIZE(priv->buf) - priv->num;  in sps30_serial_receive_buf()
251 		priv->buf[priv->num++] = byte;  in sps30_serial_receive_buf()
255 			if (priv->num < SPS30_SERIAL_FRAME_MIN_SIZE)  in sps30_serial_receive_buf()
298 static int sps30_serial_read_meas(struct sps30_state *state, __be32 *meas, size_t num)  in sps30_serial_read_meas()  argument
306 	ret = sps30_serial_command(state, SPS30_SERIAL_READ_MEAS, NULL, 0, meas, num * sizeof(num));  in sps30_serial_read_meas()
312 	if (ret != num * sizeof(*meas))  in sps30_serial_read_meas()