From 6e7d484264afa951a0491cb4a868580a2f0b647b Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期三, 25 八月 2021 15:05:24 +0800
Subject: [PATCH] map表检查
---
源码/核心板/Src/application/serial_at_cmd_app.c | 61 ++++++++++++++++++++++++++----
1 files changed, 53 insertions(+), 8 deletions(-)
diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c"
index 9bc1575..52b1ae9 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/serial_at_cmd_app.c"
@@ -9,7 +9,7 @@
#define CMD_READ 1
#define CMD_WRITE 2
#define CMD_REPLY 3
-#define EUART_RX_BUF_SIZE 100
+#define EUART_RX_BUF_SIZE 200
typedef enum{ UsartReceiveWaitHead0,
UsartReceiveWaitHead1,
UsartReceiveWaitMsgType,
@@ -18,13 +18,14 @@
UsartReceiveWaitIndex,
UsartReceiveWaitDataLen,
UsartReceiveWaitData,
- UsartReceiveWaitChecksum
+ UsartReceiveWaitChecksum0,
+ UsartReceiveWaitChecksum1
}UsartRecvPackState;
uint8_t mUsartReceivePack[100] = {0};
-
+uint8_t send_frame[200];
void SendComMap(uint8_t data_length, uint8_t index)
{
- static uint8_t send_frame[EUART_RX_BUF_SIZE];
+
uint16_t checksum = 0;
send_frame[0] = 0x55;
send_frame[1] = 0xAA;
@@ -43,7 +44,23 @@
UART_PushFrame(send_frame, data_length+9);
}
+void SendAnchorState(uint16_t state)
+{
+ uint16_t checksum = 0;
+ send_frame[0] = 0x55;
+ send_frame[1] = 0xAA;
+ send_frame[2] = 0x10;
+ send_frame[3] = 14;
+ memcpy(&send_frame[4],&dev_id,2);
+ send_frame[6] = state;
+
+ checksum = Checksum_u16(&send_frame[2],14);
+ memcpy(&send_frame[16],&checksum,2);
+
+ USART_puts(send_frame, 17);
+}
+u16 rec_checksum;
void UsartParseDataHandler(uint8_t data)
{
static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0;
@@ -53,7 +70,7 @@
- if(usart_receive_state == UsartReceiveWaitChecksum) { //若收到校验和包
+ if(usart_receive_state == UsartReceiveWaitChecksum1) { //若收到校验和包
checksum = 0;
for(int i = 0; i<pack_length-5; i++) {
checksum += mUsartReceivePack[i];
@@ -63,8 +80,10 @@
checksum += pack_index;
checksum += pack_datalen;
checksum += pack_msgtype;
+ checksum = ~checksum;
cmd_mode = 0;
- if((data + checksum)&0xff == 0xFF) //校验通过
+ rec_checksum = rec_checksum|(data<<8);
+ if((rec_checksum) == (checksum)) //校验通过
{
switch(pack_cmd)
{
@@ -73,6 +92,29 @@
memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen);
//返回一个error状态
//SendComMap(pack_datalen,pack_index);
+ if(pack_index==CNT_RESTART*2)
+ {
+ SendAnchorState(SM_RESTART);
+ SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader
+ }
+ if(pack_index==CNT_UPDATE*2)
+ {
+ uint32_t result = 0;
+ u16 tmp = 0xAAAA;
+ SendAnchorState(SM_UPDATE);
+ __disable_irq();
+ result = FLASH_Prepare(0x8004A38, 2);
+ if(result)
+ result = FLASH_Write(0x8004A38, (const uint8_t*)&tmp, 2);
+ __enable_irq();
+ printf("进入升级模式\r\n");
+ //delay_ms(100);
+ SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader
+ }
+ if(pack_index==CNT_REBOOT*2)
+ {
+ returnfactory_parameter();
+ }
save_com_map_to_flash();
delay_ms(100);
NVIC_SystemReset();
@@ -90,11 +132,14 @@
pack_index = 0;
pack_length = 0;
index=0;
- } else if((usart_receive_state == UsartReceiveWaitData) ) { //若果收到的是正常通讯包
+ } else if((usart_receive_state == UsartReceiveWaitChecksum0) ) {
+ rec_checksum = data;
+ usart_receive_state = UsartReceiveWaitChecksum1;
+ }else if((usart_receive_state == UsartReceiveWaitData) ) { //若果收到的是正常通讯包
mUsartReceivePack[index] = data;
index++;
if(index == pack_length-5) { //如果收到的index与长度相等
- usart_receive_state = UsartReceiveWaitChecksum;
+ usart_receive_state = UsartReceiveWaitChecksum0;
}
} else if(usart_receive_state == UsartReceiveWaitDataLen) { //收到指令类型字节
pack_datalen = data;
--
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