From 817b91d2cd0671ff137c222a8d6ede87a1bd4a77 Mon Sep 17 00:00:00 2001
From: zhji <jzhgonha@163.com>
Date: Sat, 13 Jul 2024 22:57:08 +0800
Subject: [PATCH] [feat] add cali data

---
 lark1s/lark1s.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++-
 lark1s/lark1s.h |  2 ++
 2 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/lark1s/lark1s.c b/lark1s/lark1s.c
index 3422428..ea072dd 100644
--- a/lark1s/lark1s.c
+++ b/lark1s/lark1s.c
@@ -214,7 +214,58 @@ int lark1s_parse_gas3_info(uint8_t *buffer, int length, struct lark1s_gas_info_s
         info->unit_name[j] = buffer[i + 20 + j];
     }
     info->range = MB_GET_UWORD(buffer + i + 32);
-    info->min_cali = MB_GET_UWORD(buffer + i + 56);
+    info->min_cali = MB_GET_UWORD(buffer + i + 76);
+
+    return LARK1S_PARSE_OK;
+}
+
+int lark1s_req_gas3_cali_data(uint8_t *buffer)
+{
+    struct crc16_result_s crc;
+    int i = 0;
+
+    buffer[i++] = mb_addr;
+    buffer[i++] = MODBUS_FUNCTION_CODE_READ_INPUT;
+    buffer[i++] = (LARK1S_REG_GAS3_CALI_DATA >> 8) & 0xFF;
+    buffer[i++] = LARK1S_REG_GAS3_CALI_DATA & 0xFF;
+    buffer[i++] = (LARK1S_SIZE_GAS3_CALI_DATA >> 8) & 0xFF;
+    buffer[i++] = LARK1S_SIZE_GAS3_CALI_DATA & 0xFF;
+    crc16_8005_calc(buffer, i, &crc);
+    buffer[i++] = crc.crcl;
+    buffer[i++] = crc.crch;
+
+    return i;
+}
+
+int lark1s_parse_gas3_cali_data(uint8_t *buffer, int length, struct lark1s_gas_cali_data_s *data)
+{
+    int ret;
+    int i = 0;
+
+    if (length != LARK1S_SIZE_GAS3_CALI_DATA * 2 + 5) {
+        return LARK1S_PARSE_FRAME_ERROR;
+    }
+    ret = lark1s_frame_check(buffer, length);
+    if (ret) {
+        return ret;
+    }
+    i++;
+    if (buffer[i++] != MODBUS_FUNCTION_CODE_READ_INPUT) {
+        return LARK1S_PARSE_FUNCTION_CODE_ERROR;
+    }
+    if (buffer[i++] != LARK1S_SIZE_GAS3_CALI_DATA * 2) {
+        return LARK1S_PARSE_DATA_LENGTH_ERROR;
+    }
+    data->available = MB_GET_UWORD(buffer + i);
+    data->zero_sig_cts = MB_GET_UWORD(buffer + i + 4);
+    data->zero_ref_cts = MB_GET_UWORD(buffer + i + 8);
+    data->zero_det_temp = MB_GET_UWORD(buffer + i + 12);
+    data->zero_lamp_temp = MB_GET_UWORD(buffer + i + 16);
+    data->span_concentration = MB_GET_UWORD(buffer + i + 28);
+    data->span_sig_cts = MB_GET_UWORD(buffer + i + 32);
+    data->span_ref_cts = MB_GET_UWORD(buffer + i + 36);
+    data->span_det_temp = MB_GET_UWORD(buffer + i + 40);
+    data->span_lamp_temp = MB_GET_UWORD(buffer + i + 44);
 
     return LARK1S_PARSE_OK;
 }
diff --git a/lark1s/lark1s.h b/lark1s/lark1s.h
index 99f55b7..c3cd6cc 100644
--- a/lark1s/lark1s.h
+++ b/lark1s/lark1s.h
@@ -63,6 +63,8 @@ int lark1s_req_sn(uint8_t *buffer);
 int lark1s_parse_sn(uint8_t *buffer, int length, char *sn);
 int lark1s_req_gas3_info(uint8_t *buffer);
 int lark1s_parse_gas3_info(uint8_t *buffer, int length, struct lark1s_gas_info_s *info);
+int lark1s_req_gas3_cali_data(uint8_t *buffer);
+int lark1s_parse_gas3_cali_data(uint8_t *buffer, int length, struct lark1s_gas_cali_data_s *cali);
 int lark1s_req_data(uint8_t *buffer);
 int lark1s_parse_data(uint8_t *buffer, int length, struct lark1s_data_s *data);
 int lark1s_req_gas3_cali_zero_record(uint8_t *buffer, uint16_t type);