int get_battery_volt() {
int fd_ad = -1;
char ad_val[32];
int volt = -1;
fd_ad = open(AD_NAME, O_RDONLY);
if (fd_ad >= 0) {
int size = read(fd_ad, ad_val, 32);
if (size > 0) {
int val = atoi(ad_val);
volt = val * VREF / AD_MAX;
if (volt < BATTERY_ALARM_VOLT) {
set_sys_state(BIT6_BATTERY, STATE_BATTERY_FAIL);
light_battery_alarm(1);
} else {
set_sys_state(BIT6_BATTERY, STATE_BATTERY_OK);
light_battery_alarm(0);
}
}
close(fd_ad);
}
return volt;
}
static void * proc_control(void *args) {
struct frame_manager *manager = get_frame_manager(CONTROL_MANAGER);
struct record_manager * record_manager=get_record_manager();
struct block_filter *filter = NULL;
struct frame *pframe = NULL;
struct block * pblock = NULL;
char buffer[64];
int length;
char dest_addr = 0;
char src_addr = 0;
char operation = 0;
char cmd = 0;
char tmp;
if (manager == NULL)
return NULL;
filter = get_frame_filter(manager);
while (1) {
pblock = get_block(filter, TIMEOUT_MAIN_UNIT, BLOCK_FULL);
if (pblock != NULL) {
set_sys_state(BIT5_MAIN_UNIT,STATE_MAINUNIT_OK);
light_on(0);
light_main_alarm(0);
pframe = (struct frame*) pblock->data;
pframe->length = pblock->data_length;
dest_addr = destination_of_frame(pframe);
src_addr = pframe->data[4];
cmd = command_of_frame(pframe);
operation = operation_of_frame(pframe);
if (src_addr == MASTER_ADDRESS) {
switch (dest_addr) {
case RADIO_450M_ADDRESS:
if ((operation == 0x03) && (cmd == 0x20)) { //向450M发送机车号
char * cab_id = get_id();
get_frame_real_data(pframe, buffer, &length);
buffer[8] = 0;
tmp = buffer[3];
buffer[3] = 0;
int cab_type = atoi(buffer);
buffer[3] = tmp;
sprintf(cab_id, "%s-%s", get_cab_code(cab_type),
buffer + 3);
}
break;
case ALL_MMI_ADDRESS:
if ((operation == 0x03) && (cmd == 0x46)) { //关机命令
flush_all_data(record_manager);
}
break;
}
}
if (dest_addr == RECORD_ADDRESS) {
switch (operation) {
case 1: //维护信息
// echo off
tmp = 0;
if (src_addr == 0x01) {
tmp = 0x01;
} else if ((src_addr == 0x03) || (src_addr == 0x04)) {
tmp = 0x41;
}
send_frame(manager, RECORD_ADDRESS, src_addr, 1, tmp,
pframe->data + 9, 2);
switch (cmd) {
case (char) 0x33: //播放控制
{
if (pframe->data[10] == (char) 0xff) {
start_play(src_addr);
} else if (pframe->data[10] == 0) {
stop_play();
}
}
break;
case (char) 0xfa: //问询测试
break;
case (char) 0x34: //查询时钟
{
struct tm time;
get_time(&time);
buffer[0] = to_bcd(time.tm_year - 100); //year
buffer[1] = to_bcd(time.tm_mon + 1);
buffer[2] = to_bcd(time.tm_mday);
buffer[3] = to_bcd(time.tm_hour);
buffer[4] = to_bcd(time.tm_min);
buffer[5] = to_bcd(time.tm_sec);
send_frame(manager, RECORD_ADDRESS, src_addr, 1,
(char) 0x91, buffer, 6);
}
break;
case (char) 0x35: //设置时钟
break;
case (char) 0xa5: //查询软件版本
{
bcopy(version, buffer, 16);
send_frame(manager, RECORD_ADDRESS, src_addr, 1,
(char) 0xaa, buffer, 16);
}
break;
}
break;
case 3: //不需要应答
break;
}
}
put_block(pblock, BLOCK_EMPTY);
} else {
set_sys_state(BIT5_MAIN_UNIT,STATE_MAINUNIT_FAIL);
light_main_alarm(1);
}
}
return NULL;
}
void delay_reload(void)
{
set_sys_state(SYS_STATE_DELAY_RELOAD);
}
int main(void)
{
u32 endtime;
system_state = SYS_STATE_INIT;
wifi_state = 0;
reset_uart_init();
default_gpio_init();
check_gotostandby();
int2host_init();
int2host(1);
NFC_TAG_INIT();
mxchipInit();
userResetConfig();
reset_uart_deinit();
get_config();
tcpip_init();
emsp_init();
uart_init();
http_init();
#ifndef USE_0302
APP_Verify_Program_Code();
#endif
dual_uap_start();
SetTimer(1, main_function_tick, 1);
wifi_option_config();
int2host(0);
system_is_bootup(); //EMSP_CMD_SYSTEM_BOOTUP
while(1) {
if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) != Bit_RESET)
IWDG_ReloadCounter(); // Reload IWDG counter
else
reload();
if(NFC_STARTED){
SetTimer(3000,saveNFCConfig,0);
NFC_STARTED = 0; //NFC task started
NFC_STARTED2 = 1; //NFC task pending
}
http_tick(); // HTTP Server
mxchipTick(); // wifi, network function
switch (system_state) {
case SYS_STATE_RESET:
wait_uart_dma_clean();
NVIC_SystemReset();
break;
case SYS_STATE_GOTO_DEFAULT:
default_config();
save_config();
NVIC_SystemReset();
break;
case SYS_STATE_DELAY_RELOAD:
endtime = MS_TIMER+500;
while(endtime>MS_TIMER)
mxchipTick();
NVIC_SystemReset();
break;
case SYS_STATE_WPS: // User pushed WPS PBC, try wps.
user_wifi_stop();
wps_pbc_start();
set_sys_state(last_work_state);
break;
case SYS_STATE_WPS_FAIL:
wps_ing = 0;
user_wifi_start();
set_sys_state(last_work_state);
set_conncetion_status(0);
break;
case SYS_STATE_WPS_SUCCESS:
wps_ing = 0;
set_sys_state(last_work_state);
save_config();
set_conncetion_status(0);
break;
default:
break;
}
}
}
void goto_wps(void)
{
set_sys_state(SYS_STATE_WPS);
wps_ing = 1;
}
void goto_default(void)
{
set_sys_state(SYS_STATE_GOTO_DEFAULT);
}
