main.cpp

00001 #include "mbed.h"
00002 #include "vt100.h"
00003 
00004 #include "af_mgr.h"
00005 #include "af_attributes.h"
00006 #include "edge_mgr.h"
00007 #include "edge_pin.h"
00008 #include "edge_time.h"
00009 #include "edge_reset_mgr.h"
00010 
00011 vt100 *tty = 0 ;
00012 uint32_t wait_tolerance = 500 ; /* 5sec */
00013 uint32_t connect_tolerance = 60 ; /* after 60 trials, reboot */
00014 uint32_t wait_count = 0 ;
00015 uint32_t connect_trial_count = 0 ;
00016 
00017 DigitalOut *led_r = 0 ;
00018 DigitalOut *led_g = 0 ;
00019 DigitalOut *led_b = 0 ;
00020 // DigitalOut myled(LED1);
00021 
00022 void doLEDs(int num)
00023 {
00024     if (num & 0x01) { *led_b = 0 ; } else { *led_b = 1 ; }
00025     if (num & 0x02) { *led_g = 0 ; } else { *led_g = 1 ; }
00026     if (num & 0x04) { *led_r = 0 ; } else { *led_r = 1 ; }
00027 }
00028 
00029 /**
00030  * wait_connection
00031  * When gConnected == false, which is connection is lost.
00032  * Each 5sec check attribute ATTR_WIFI_STDY_STATE to see
00033  * if the connection has recovered.
00034  * Meantime even if connection is established communicated
00035  * data is invalid, so AF_SYSTEM_ASR_STATE is also
00036  * checked for gLinked ;
00037  * And in case connect_tolerance trials failed
00038  * try to reboot the system if it can improve the situation.
00039  */
00040 void wait_connection(void)
00041 {
00042     int result ;
00043     wait_count++ ;
00044     if (wait_count > wait_tolerance) {
00045         if (gConnected == false) {
00046             result = afero->getAttribute(ATTR_WIFI_STDY_STATE) ;
00047             if (result != afSUCCESS) {
00048                 print_af_error(result) ;
00049             }
00050         }
00051         if (gLinked == false) {
00052             result = afero->getAttribute(AF_SYSTEM_ASR_STATE) ;
00053             if (result != afSUCCESS) {
00054                 print_af_error(result) ;
00055             }
00056         }
00057         connect_trial_count++ ;
00058         if (connect_trial_count > connect_tolerance) {
00059             reboot_edge() ;
00060         }
00061         wait_count = 0 ;
00062     }
00063 }
00064 
00065 void init_hardware(void)
00066 {
00067     tty = new vt100(PTA2, PTA1, 115200) ;
00068 //    tty->cls() ;
00069     led_r = new DigitalOut(PIN_LED_R, 1) ;
00070     led_g = new DigitalOut(PIN_LED_G, 1) ;
00071     led_b = new DigitalOut(PIN_LED_B, 1) ;
00072 }
00073 
00074 #if 1
00075 int main() 
00076 {
00077     int led_state = 0 ;
00078     init_hardware() ;
00079     tty->printf("afLib1.3 UART test program (%s)\n", __DATE__) ;
00080     tty->printf("Reset Reason: ") ;
00081     print_reset_reason() ;
00082     init_aflib() ;
00083     tty->printf("afLib 1.3 initialized\n") ;
00084     doLEDs(0x04) ;
00085     init_timer() ;
00086     tty->printf("timer init done\n") ;
00087     while(1) {
00088         afero->loop() ;
00089         if (afero->isIdle()) {
00090             led_state = 0x04 ; /* red */
00091             if (gLinked && gConnected) {
00092                 led_state = 0x02 ; /* green */
00093             } else if (gConnected) {
00094                 led_state = 0x01 ; /* blue */
00095             } else {
00096                 wait_connection() ;
00097             }
00098             doLEDs(led_state) ;
00099             wait_ms(100);
00100         }
00101     }
00102 }
00103 #else
00104 int main() 
00105 {
00106     init_hardware() ;
00107     tty->printf("afLib1.3 test program (%s)\n", __DATE__) ;
00108     init_aflib() ;
00109     tty->printf("afLib 1.3 initialized\n") ;
00110     init_timer() ;
00111     tty->printf("timer init done\n") ;
00112     while(1) {
00113         afero->loop() ;
00114         if (afero->isIdle()) {
00115             *led_r = ! (*led_r) ;
00116             wait_ms(100);
00117         }
00118     }
00119 }
00120 #endif