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Implemented checksumming

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Mark Qvist 2014-04-04 17:05:53 +02:00
parent b350d3cd8c
commit 0c4bc75be9
6 changed files with 67 additions and 16 deletions
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35
Modem/main.c
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@ -18,10 +18,14 @@ static MP1 mp1;
#define ADC_CH 0
#define TEST_PACKET "Test MP1 AFSK Packet!"
#define TEST_PACKET "Test MP1 AFSK Packet! This one is longer and probably more prone to errors..."
static uint8_t serialBuffer[MP1_MAX_FRAME_LENGTH];
static int sbyte;
static uint8_t serialLen = 0;
static bool sertx = false;
static void mp1Callback(struct MP1Packet *packet) {
kfile_printf(&ser.fd, "\nMP1 Packet Received:\n");
kfile_printf(&ser.fd, "%.*s\r\n", packet->dataLength, packet->data);
}
@ -29,29 +33,46 @@ static void init(void)
{
IRQ_ENABLE;
kdbg_init();
kprintf("Init\n");
timer_init();
afsk_init(&afsk, ADC_CH, 0);
mp1Init(&mp1, &afsk.fd, mp1Callback);
ser_init(&ser, SER_UART0);
ser_setbaudrate(&ser, 115200);
ser_setbaudrate(&ser, 57600);
//ser_settimeouts(&ser, 0, 0);
}
int main(void)
{
init();
ticks_t start = timer_clock();
while (1)
{
mp1Poll(&mp1);
sbyte = ser_getchar_nowait(&ser);
if (sbyte != EOF) {
if (serialLen < MP1_MAX_FRAME_LENGTH && sbyte != 138) {
serialBuffer[serialLen] = sbyte;
serialLen++;
} else {
sertx = true;
}
}
if (sertx) {
mp1Send(&mp1, serialBuffer, serialLen);
sertx = false;
serialLen = 0;
}
// Periodically send test data
if (timer_clock() - start > ms_to_ticks(4000L))
if (false && timer_clock() - start > ms_to_ticks(4000L))
{
kputs("Test TX\n");
start = timer_clock();
mp1Send(&mp1, TEST_PACKET, sizeof(TEST_PACKET));
}