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fake CGM readings evey 2 mins #54

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90 changes: 65 additions & 25 deletions apps/dexdrip/dexdrip.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ radio_channel: See description in radio_link.h.
#include <ctype.h>
#include <adc.h>


//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
Expand All @@ -42,7 +43,7 @@ radio_channel: See description in radio_link.h.
// //
static XDATA const char transmitter_id[] = "ABCDE"; //
// //
static volatile BIT only_listen_for_my_transmitter = 1; //
static volatile BIT only_listen_for_my_transmitter = 0; //
// 1 is recommended //
// //
static volatile BIT status_lights = 1; //
Expand Down Expand Up @@ -98,6 +99,7 @@ static uint8 save_IEN2;
unsigned char XDATA PM2_BUF[7] = {0x06,0x06,0x06,0x06,0x06,0x06,0x04};
unsigned char XDATA dmaDesc[8] = {0x00,0x00,0xDF,0xBE,0x00,0x07,0x20,0x42};
volatile uint8 sequential_missed_packets = 0;
uint32 cgmCount = 0;

typedef struct _Dexcom_packet {
uint8 len;
Expand Down Expand Up @@ -250,15 +252,25 @@ uint32 getSrcValue(char srcVal) {
}
return i & 0xFF;
}
void print_packet(Dexcom_packet* pPkt) {


uint32 getCGMReading(){

return 36298 + (cgmCount * 100);
}
void print_packet() {
uartEnable();
if((allow_alternate_usb_protocol==0)||!usbPowerPresent()) {

printf("%lu %hhu %d", dex_num_decoder(getCGMReading()), 500, adcConvertToMillivolts(adcRead(0)));
cgmCount++;

//if((allow_alternate_usb_protocol==0)||!usbPowerPresent()) {
// Classic 3 field protocol for serial/bluetooth only
printf("%lu %hhu %d", dex_num_decoder(pPkt->raw), pPkt->battery, adcConvertToMillivolts(adcRead(0)));
} else {
//printf("%lu %hhu %d", dex_num_decoder(pPkt->raw), pPkt->battery, adcConvertToMillivolts(adcRead(0)));
//} else {
// Protocol suitable for dexterity android application or python script when running in USB mode
printf("%lu %lu %lu %hhu %d %hhu %d \r\n", pPkt->src_addr,dex_num_decoder(pPkt->raw),dex_num_decoder(pPkt->filtered)*2, pPkt->battery, getPacketRSSI(pPkt),pPkt->txId,adcConvertToMillivolts(adcRead(0)));
}
// printf("%lu %lu %lu %hhu %d %hhu %d \r\n", pPkt->src_addr,dex_num_decoder(pPkt->raw),dex_num_decoder(pPkt->filtered)*2, pPkt->battery, getPacketRSSI(pPkt),pPkt->txId,adcConvertToMillivolts(adcRead(0)));
//}
uartDisable();
}

Expand Down Expand Up @@ -501,10 +513,27 @@ void setADCInputs() {

void configBt() {
uartEnable();
printf("AT+NAMExDrip");
printf("AT+NAMExDrip11");
uartDisable();
}

void flashYellowLED(){
uint32 start = getMs();

while ((getMs() - start) < 10000) {
doServices();
blink_yellow_led();
}
LED_YELLOW(0);
}

void delay(){
uint32 start = getMs();

while ((getMs() - start) < 60000) {
}
}

void main() {
systemInit();
initUart1();
Expand All @@ -524,31 +553,42 @@ void main() {
MCSM1 = 0;

while(1) {
Dexcom_packet Pkt;
memset(&Pkt, 0, sizeof(Dexcom_packet));
//Dexcom_packet Pkt;
//memset(&Pkt, 0, sizeof(Dexcom_packet));
boardService();

if(get_packet(&Pkt)) {
print_packet(&Pkt);
}
//Blink yellow light
flashYellowLED();

doServices();

//if(get_packet(&Pkt)) {
print_packet();

//}

RFST = 4;
delayMs(100);

radioMacSleep();
if(usbPowerPresent()){
sequential_missed_packets++;
}
if(sequential_missed_packets > 0) {
int first_square = sequential_missed_packets * sequential_missed_packets * wake_earlier_for_next_miss;
int second_square = (sequential_missed_packets - 1) * (sequential_missed_packets - 1) * wake_earlier_for_next_miss;
int sleep_time = (268 - first_square + second_square);
goToSleep(sleep_time);
} else {
goToSleep(283);
}

delay();
//delayMs(90000);
//goToSleep(60);

//if(usbPowerPresent()){
// sequential_missed_packets++;
//}
//if(sequential_missed_packets > 0) {
// int first_square = sequential_missed_packets * sequential_missed_packets * wake_earlier_for_next_miss;
// int second_square = (sequential_missed_packets - 1) * (sequential_missed_packets - 1) * wake_earlier_for_next_miss;
// int sleep_time = (268 - first_square + second_square);
// goToSleep(sleep_time);
//} else {
// goToSleep(283);
//}
radioMacResume();
MCSM1 = 0;
radioMacStrobe();
}
}
}