diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvoptx b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvoptx
index bdfb1782..2da926f1 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvoptx
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvoptx
@@ -145,7 +145,7 @@
0
ST-LINKIII-KEIL_SWO
- -U303030303030303030303031 -O10446 -SF4000 -C0 -A0 -I0 -HNlocalhost -HP7184 -P1 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0STM32L4xx_256.FLM -FS08000000 -FL040000 -FP0($$Device:STM32L431RCTx$CMSIS\Flash\STM32L4xx_256.FLM)
+ -U51FF68064965575333151687 -O10446 -SF10000 -C0 -A0 -I0 -HNlocalhost -HP7184 -P1 -N00("ARM CoreSight SW-DP (ARM Core") -D00(2BA01477) -L00(0) -TO131090 -TC10000000 -TT10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0STM32L4xx_256.FLM -FS08007800 -FL019000 -FP0($$Device:STM32L431RCTx$CMSIS\Flash\STM32L4xx_256.FLM)
@@ -213,7 +213,7 @@
1
- 1
+ 0
0
2
10000000
@@ -383,7 +383,7 @@
examples
- 0
+ 1
0
0
0
@@ -1283,7 +1283,7 @@
ota_download
- 0
+ 1
0
0
0
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvprojx b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvprojx
index 294fdafd..8258754b 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvprojx
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/TencentOS_tiny.uvprojx
@@ -10,14 +10,14 @@
TencentOS_tiny
0x4
ARM-ADS
- 5060750::V5.06 update 6 (build 750)::ARMCC
+ 5060750::V5.06 update 6 (build 750)::.\ARMCC
0
STM32L431RCTx
STMicroelectronics
- Keil.STM32L4xx_DFP.2.0.0
- http://www.keil.com/pack
+ Keil.STM32L4xx_DFP.2.4.0
+ https://www.keil.com/pack/
IRAM(0x20000000-0x2000FFFF) IROM(0x8000000-0x803FFFF) CLOCK(8000000) FPU2 CPUTYPE("Cortex-M4")
@@ -185,6 +185,7 @@
0
2
0
+ 0
0
0
8
@@ -274,8 +275,8 @@
1
- 0x8008000
- 0x40000
+ 0x8007800
+ 0x19000
1
@@ -338,7 +339,7 @@
USE_HAL_DRIVER,STM32L431xx,
- ..\..\..\BSP\Inc;..\..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Inc;..\..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Legacy;..\..\..\..\..\platform\vendor_bsp\st\CMSIS\Device\ST\STM32L4xx\Include;..\..\..\..\..\platform\vendor_bsp\st\CMSIS\Include;..\..\..\..\..\kernel\core\include;..\..\..\TOS-CONFIG;..\..\..\..\..\platform\arch\arm\cortex-m4\keil;..\..\..\..\..\kernel\pm\include;..\..\..\..\..\osal\cmsis_os;..\..\..\..\..\arch\arm\arm-v7m\common\include;..\..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc;..\..\..\BSP\Hardware\DHT11;..\..\..\BSP\Hardware\OLED;..\..\..\BSP\Hardware\BH1750;..\..\..\..\..\devices\esp8266;..\..\..\..\..\net\at\include;..\..\..\..\..\kernel\hal\include;..\..\..\..\..\net\sal_module_wrapper;..\..\..\..\..\components\ota\download\include;..\..\..\..\..\components\ota\common\crc;..\..\..\..\..\components\ota\common\image;..\..\..\..\..\components\ota\common\flash;..\..\..\..\..\components\ota\common\partition;..\..\..\..\..\components\ota\common\env;..\..\..\..\..\components\fs\kv\include;..\..\..\..\..\components\ota\common\info
+ ..\..\..\BSP\Inc;..\..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Inc;..\..\..\..\..\platform\vendor_bsp\st\STM32L4xx_HAL_Driver\Legacy;..\..\..\..\..\platform\vendor_bsp\st\CMSIS\Device\ST\STM32L4xx\Include;..\..\..\..\..\platform\vendor_bsp\st\CMSIS\Include;..\..\..\..\..\kernel\core\include;..\..\..\TOS-CONFIG;..\..\..\..\..\platform\arch\arm\cortex-m4\keil;..\..\..\..\..\kernel\pm\include;..\..\..\..\..\osal\cmsis_os;..\..\..\..\..\arch\arm\arm-v7m\common\include;..\..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc;..\..\..\BSP\Hardware\DHT11;..\..\..\BSP\Hardware\OLED;..\..\..\BSP\Hardware\BH1750;..\..\..\..\..\devices\esp8266;..\..\..\..\..\net\at\include;..\..\..\..\..\kernel\hal\include;..\..\..\..\..\net\sal_module_wrapper;..\..\..\..\..\components\ota\download\include;..\..\..\..\..\components\ota\common\crc;..\..\..\..\..\components\ota\common\image;..\..\..\..\..\components\ota\common\flash;..\..\..\..\..\components\ota\common\partition;..\..\..\..\..\components\ota\common\env;..\..\..\..\..\components\fs\kv\include;..\..\..\..\..\components\ota\common\info;..\..\..\..\..\components\ota\recovery\include
@@ -351,7 +352,7 @@
0
0
0
- 0
+ 4
@@ -919,4 +920,19 @@
+
+
+
+ <Project Info>
+
+
+
+
+
+ 0
+ 1
+
+
+
+
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/system_stm32l4xx.c b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/system_stm32l4xx.c
index 70e973e9..d748f570 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/system_stm32l4xx.c
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_application_download_through_http/system_stm32l4xx.c
@@ -123,7 +123,7 @@
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
-#define VECT_TAB_OFFSET 0x8000 /*!< Vector Table base offset field.
+#define VECT_TAB_OFFSET 0x7800 /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/******************************************************************************/
/**
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/MDK-ARM/TencentOS_tiny.uvoptx b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/MDK-ARM/TencentOS_tiny.uvoptx
index 649f287d..ef476d8f 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/MDK-ARM/TencentOS_tiny.uvoptx
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/MDK-ARM/TencentOS_tiny.uvoptx
@@ -184,22 +184,6 @@
2
0
- 63
- 1
- 134240906
- 0
- 0
- 0
- 0
- 0
- 1
- ..\Src\main.c
-
- \\TencentOS_tiny\../Src/main.c\63
-
-
- 3
- 0
287
1
134243064
@@ -214,23 +198,7 @@
\\TencentOS_tiny\../../../../../../components/ota/recovery/ota_recovery.c\287
- 4
- 0
- 61
- 1
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- ..\Src\main.c
-
-
-
-
- 5
+ 3
0
310
0
@@ -246,23 +214,7 @@
- 6
- 0
- 65
- 1
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- ..\Src\main.c
-
-
-
-
- 7
+ 4
0
120
0
@@ -277,6 +229,22 @@
+
+ 5
+ 0
+ 63
+ 1
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+ ..\Src\main.c
+
+
+
@@ -1172,7 +1140,7 @@
ota_recovery
- 0
+ 1
0
0
0
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/Src/main.c b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/Src/main.c
index 645f6e67..f9a4d790 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/Src/main.c
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/ota/ota_bootloader_recovery/Src/main.c
@@ -55,17 +55,17 @@ int main(void)
return -1;
}
-#if 1
- if (ota_recovery_xip() != 0) {
- printf("recovery failed!\n");
+#if 0
+ if ((ret = ota_recovery_xip()) != OTA_ERR_NONE) {
+ printf("recovery failed, OTA errcode = %d!\r\n", ret);
} else {
- printf("recovery successfully!\n");
+ printf("recovery successfully!\r\n");
}
#else
- if (ota_recovery() != 0) {
- printf("recovery failed!\n");
+ if ((ret = ota_recovery()) != OTA_ERR_NONE) {
+ printf("recovery failed, OTA errcode = %d!\r\n", ret);
} else {
- printf("recovery successfully!\n");
+ printf("recovery successfully!\r\n");
}
#endif
diff --git a/components/ota/common/env/ota_env.c b/components/ota/common/env/ota_env.c
index 666e6617..54126742 100644
--- a/components/ota/common/env/ota_env.c
+++ b/components/ota/common/env/ota_env.c
@@ -35,7 +35,7 @@ ota_err_t ota_env_init(ota_updt_type_t updt_type, uint32_t partition_addr, ota_f
ota_partition_end(OTA_PARTITION_KV),
(kv_flash_drv_t *)flash_drv,
(kv_flash_prop_t *)flash_prop) != KV_ERR_NONE) {
- return OTA_ERR_KV_FAIL;
+ return OTA_ERR_KV_INIT_FAIL;
}
return OTA_ERR_NONE;
diff --git a/components/ota/common/info/ota_info.c b/components/ota/common/info/ota_info.c
index 0a1414b3..03cc0823 100644
--- a/components/ota/common/info/ota_info.c
+++ b/components/ota/common/info/ota_info.c
@@ -16,7 +16,6 @@
*---------------------------------------------------------------------------*/
#include "tos_kv.h"
-#include "ota_image.h"
#include "ota_info.h"
#include "ota_partition.h"
@@ -35,19 +34,19 @@ ota_img_vs_t ota_info_curr_version(void)
return version;
}
-int ota_info_update(ota_img_vs_t new_version)
+ota_err_t ota_info_update(ota_img_vs_t new_version)
{
kv_err_t err;
err = tos_kv_del("new_version");
if (err != KV_ERR_NONE && err != KV_ERR_NOT_EXIST) {
- return -1;
+ return OTA_ERR_KV_DEL_FAIL;
}
if (tos_kv_set("cur_version", &new_version, sizeof(ota_img_vs_t)) != KV_ERR_NONE) {
- return -1;
+ return OTA_ERR_KV_SET_FAIL;
}
- return 0;
+ return OTA_ERR_NONE;
}
diff --git a/components/ota/common/info/ota_info.h b/components/ota/common/info/ota_info.h
index 0320e916..041e96c7 100644
--- a/components/ota/common/info/ota_info.h
+++ b/components/ota/common/info/ota_info.h
@@ -18,9 +18,12 @@
#ifndef _OTA_INFO_H_
#define _OTA_INFO_H_
+#include "ota_err.h"
+#include "ota_image.h"
+
ota_img_vs_t ota_info_curr_version(void);
-int ota_info_update(ota_img_vs_t new_version);
+ota_err_t ota_info_update(ota_img_vs_t new_version);
#endif /* _OTA_INFO_H_ */
diff --git a/components/ota/common/partition/ota_partition.c b/components/ota/common/partition/ota_partition.c
index 61a4def5..1b30b1b3 100644
--- a/components/ota/common/partition/ota_partition.c
+++ b/components/ota/common/partition/ota_partition.c
@@ -20,7 +20,7 @@
static ota_pt_ctrl_t ctrl;
-static int partitions_verify(ota_pt_t *pts, int n)
+static ota_err_t partitions_verify(ota_pt_t *pts, int n)
{
int i = 0;
@@ -34,7 +34,7 @@ static int partitions_verify(ota_pt_t *pts, int n)
}
}
- return 0;
+ return OTA_ERR_NONE;
}
ota_err_t ota_partition_load(ota_updt_type_t updt_type, uint32_t partition_addr)
diff --git a/components/ota/common/partition/ota_partition.h b/components/ota/common/partition/ota_partition.h
index b72b72b2..1124dc1c 100644
--- a/components/ota/common/partition/ota_partition.h
+++ b/components/ota/common/partition/ota_partition.h
@@ -109,12 +109,12 @@ typedef struct ota_ping_pong_partitions_st {
} ota_pp_pts_t;
typedef union ip_un {
- ota_pt_t pts[3];
+ ota_pt_t pts[sizeof(ota_ip_pts_t) / sizeof(ota_pt_t)];
ota_ip_pts_t ip_pts;
} ip_u;
typedef union pp_un {
- ota_pt_t pts[4];
+ ota_pt_t pts[sizeof(ota_pp_pts_t) / sizeof(ota_pt_t)];
ota_pp_pts_t pp_pts;
} pp_u;
diff --git a/components/ota/recovery/include/ota_err.h b/components/ota/recovery/include/ota_err.h
index 572ddabe..939f9c7f 100644
--- a/components/ota/recovery/include/ota_err.h
+++ b/components/ota/recovery/include/ota_err.h
@@ -23,15 +23,33 @@ typedef enum ota_err_en {
OTA_ERR_FLASH_INIT_FAIL = 1u,
- OTA_ERR_PARTITION_READ_FAIL = 2u,
+ OTA_ERR_PARTITION_READ_FAIL= 2u,
OTA_ERR_PARTITION_MAGIC_NOT_SAME,
OTA_ERR_PARTITION_ADDR_FAIL,
OTA_ERR_PARTITION_NOT_ALIGN,
OTA_ERR_PARTITION_CRC_FAIL,
- OTA_ERR_UPDT_TYPE_UNKOWN,
+ OTA_ERR_UPDT_TYPE_UNKOWN = 7u,
+
+ OTA_ERR_KV_INIT_FAIL = 8u,
+ OTA_ERR_KV_GET_FAIL,
+ OTA_ERR_KV_SET_FAIL,
+ OTA_ERR_KV_DEL_FAIL,
+
+
+ OTA_ERR_PATCH_READ_FAIL = 12u,
+ OTA_ERR_PATCH_MAGIC_NOT_SAME,
+ OTA_ERR_PATCH_CRC_FAIL,
+
+ OTA_ERR_ACTIVE_APP_READ_FAIL = 15u,
+ OTA_ERR_ACTIVE_APP_CRC_FAIL,
+
+ OTA_ERR_NEW_VERSION_NOT_SAME = 17u,
+ OTA_ERR_OLD_VERSION_NOT_SAME,
+
+ OTA_ERR_BACK_UP_FAIL = 19u,
+ OTA_ERR_RECOVERRY_FAIL,
- OTA_ERR_KV_FAIL
} ota_err_t;
#endif /* _OTA_ERR_H_ */
diff --git a/components/ota/recovery/include/ota_recovery.h b/components/ota/recovery/include/ota_recovery.h
index eaba4788..1d494b9c 100644
--- a/components/ota/recovery/include/ota_recovery.h
+++ b/components/ota/recovery/include/ota_recovery.h
@@ -23,8 +23,9 @@
#include "ota_flash.h"
#include "ota_image.h"
#include "ota_patch.h"
+#include "ota_err.h"
-int ota_recovery(void);
+ota_err_t ota_recovery(void);
int ota_recovery_xip(void);
diff --git a/components/ota/recovery/ota_recovery.c b/components/ota/recovery/ota_recovery.c
index d74bf7c7..33abb8ec 100644
--- a/components/ota/recovery/ota_recovery.c
+++ b/components/ota/recovery/ota_recovery.c
@@ -29,7 +29,7 @@
#define MIN(a, b) ((a) < (b) ? (a) : (b))
-static int patch_verify(ota_img_hdr_t *img_hdr)
+static ota_err_t patch_verify(ota_img_hdr_t *img_hdr)
{
#define BUF_SIZE 128
static uint8_t buf[BUF_SIZE];
@@ -42,29 +42,29 @@ static int patch_verify(ota_img_hdr_t *img_hdr)
/* drag the ota_img_hdr out of the flash */
if (ota_flash_read(patch_start, img_hdr, sizeof(ota_img_hdr_t)) < 0) {
- return -1;
+ return OTA_ERR_PATCH_READ_FAIL;
}
/* 1. check whether new version patch downloaded */
if (tos_kv_get("new_version", &new_version, sizeof(ota_img_vs_t), &version_len) != KV_ERR_NONE) {
- return -1;
+ return OTA_ERR_KV_GET_FAIL;
}
if (new_version.major != img_hdr->new_version.major ||
new_version.minor != img_hdr->new_version.minor) {
- return -1;
+ return OTA_ERR_NEW_VERSION_NOT_SAME;
}
/* 2. verify magic */
if (img_hdr->magic != OTA_IMAGE_MAGIC) {
- return -1;
+ return OTA_ERR_PATCH_MAGIC_NOT_SAME;
}
/* 3. is this patch for current version? */
cur_version = ota_info_curr_version();
if (cur_version.major != img_hdr->old_version.major ||
cur_version.minor != img_hdr->old_version.minor) {
- return -1;
+ return OTA_ERR_OLD_VERSION_NOT_SAME;
}
/* 4. verify the patch crc checksum */
@@ -75,7 +75,7 @@ static int patch_verify(ota_img_hdr_t *img_hdr)
while (remain_len > 0) {
read_len = MIN(sizeof(buf), remain_len);
if (ota_flash_read(patch_start, buf, read_len) < 0) {
- return -1;
+ return OTA_ERR_PATCH_READ_FAIL;
}
crc = crc8(crc, buf, read_len);
@@ -85,7 +85,7 @@ static int patch_verify(ota_img_hdr_t *img_hdr)
}
if (crc != img_hdr->patch_crc) {
- return -1;
+ return OTA_ERR_PATCH_CRC_FAIL;
}
/* 5. verify the old crc checksum */
@@ -95,7 +95,7 @@ static int patch_verify(ota_img_hdr_t *img_hdr)
while (remain_len > 0) {
read_len = MIN(sizeof(buf), remain_len);
if (ota_flash_read(active_app_start, buf, read_len) < 0) {
- return -1;
+ return OTA_ERR_ACTIVE_APP_READ_FAIL;
}
crc = crc8(crc, buf, read_len);
@@ -105,10 +105,10 @@ static int patch_verify(ota_img_hdr_t *img_hdr)
}
if (crc != img_hdr->old_crc) {
- return -1;
+ return OTA_ERR_ACTIVE_APP_CRC_FAIL;
}
- return 0;
+ return OTA_ERR_NONE;
}
static int do_recovery(ota_img_hdr_t *hdr)
@@ -154,12 +154,13 @@ static int app_copy(uint32_t dst, uint32_t dst_size, uint32_t src, uint32_t src_
return 0;
}
-int ota_recovery(void)
+ota_err_t ota_recovery(void)
{
+ ota_err_t ret;
ota_img_hdr_t img_hdr;
- if (patch_verify(&img_hdr)) {
- return -1;
+ if ((ret = patch_verify(&img_hdr)) != OTA_ERR_NONE) {
+ return ret;
}
/* backup */
@@ -168,11 +169,10 @@ int ota_recovery(void)
ota_partition_size(OTA_PARTITION_BACKUP_APP),
ota_partition_start(OTA_PARTITION_ACTIVE_APP),
ota_partition_size(OTA_PARTITION_ACTIVE_APP)) < 0) {
- return -1;
+ return OTA_ERR_BACK_UP_FAIL;
}
if (do_recovery(&img_hdr) != 0) {
- printf("recovery failed\n");
/* restore */
if (ota_partition_is_pingpong()) {
@@ -181,13 +181,13 @@ int ota_recovery(void)
ota_partition_start(OTA_PARTITION_BACKUP_APP),
ota_partition_size(OTA_PARTITION_BACKUP_APP));
}
- return -1;
+ return OTA_ERR_RECOVERRY_FAIL;
}
- if (ota_info_update(img_hdr.new_version) != 0) {
- return -1;
+ if ((ret = ota_info_update(img_hdr.new_version)) != OTA_ERR_NONE) {
+ return ret;
}
- return 0;
+ return OTA_ERR_NONE;
}
diff --git a/examples/ota_download_through_http/ota_download_through_http_sample.c b/examples/ota_download_through_http/ota_download_through_http_sample.c
index 094b24b3..50ef4c55 100644
--- a/examples/ota_download_through_http/ota_download_through_http_sample.c
+++ b/examples/ota_download_through_http/ota_download_through_http_sample.c
@@ -3,7 +3,7 @@
#include "sal_module_wrapper.h"
#include "cmsis_os.h"
-#include "tos_ota_download.h"
+#include "ota_download.h"
extern ota_flash_drv_t stm32l4_norflash_onchip_drv_ota;
extern ota_flash_prop_t stm32l4_norflash_onchip_prop_ota;
@@ -25,7 +25,7 @@ void user_task(void *arg)
while (K_TRUE) {
tos_task_delay(1000);
- printf("do sth(v1.1)...\n");
+ printf("do sth(v0.1)...\n");
if (++iter == 2) {
printf("trigger ota download\n");
@@ -39,16 +39,16 @@ void ota_download_task(void *arg)
tos_sem_pend(&sem, TOS_TIME_FOREVER);
esp8266_sal_init(HAL_UART_PORT_0);
- esp8266_join_ap("SheldonDai", "srnr6x9xbhmb0");
+ esp8266_join_ap("Mculover666", "mculover666");
- uint32_t partition_addr = 0x08024800;
+ uint32_t partition_addr = 0x0803f800;
- if (tos_ota_env_init(OTA_UPDATE_IN_POSITION, partition_addr, &stm32l4_norflash_onchip_drv_ota, &stm32l4_norflash_onchip_prop_ota) < 0) {
+ if (ota_env_init(OTA_UPDATE_IN_POSITION, partition_addr, &stm32l4_norflash_onchip_drv_ota, &stm32l4_norflash_onchip_prop_ota) < 0) {
printf("env init failed!\n");
return;
}
- if (!tos_ota_download_http("http://39.108.190.129:8000/patch.bin")) {
+ if (!ota_download_http("http://122.51.89.94:8000/patch.bin")) {
printf("download successfully!\n");
} else {
printf("download failed!\n");
diff --git a/net/at/src/tos_at.c b/net/at/src/tos_at.c
index c4a82a18..cead9cf6 100644
--- a/net/at/src/tos_at.c
+++ b/net/at/src/tos_at.c
@@ -298,7 +298,7 @@ __STATIC__ void at_parser(void *arg)
at_parse_status = at_uart_line_parse();
if (at_parse_status == AT_PARSE_STATUS_OVERFLOW) {
- // TODO: fix me
+ tos_kprintln("AT parse overflow!");
continue;
}