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Transmit queue and buffers

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This commit is contained in:
Mark Qvist 2019-01-29 20:43:46 +01:00
parent 8e836c629c
commit 532e440a3d
5 changed files with 22 additions and 19 deletions
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2
hardware/AFSK.h
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@ -40,7 +40,7 @@ inline static uint8_t sinSample(uint16_t i) {
#define CPU_FREQ F_CPU
#define BITRATE 1200
#define BITRATE 2400
#if BITRATE == 300
#define CONFIG_ADC_SAMPLERATE 9600UL

4
hardware/Bluetooth.h
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@ -14,6 +14,4 @@ void bluetooth_init(void);
bool bluetooth_enabled(void);
#endif
// CMD/DATA sequence: 0x2b2b2b0d
#endif

17
hardware/Serial.c
View file

@ -2,6 +2,8 @@
#include <stdio.h>
#include <string.h>
extern volatile uint8_t queue_height;
void serial_init(Serial *serial) {
memset(serial, 0, sizeof(*serial));
memset(serialBuf, 0, sizeof(serialBuf));
@ -47,8 +49,19 @@ char uart0_getchar_nowait(void) {
ISR(USART0_RX_vect) {
if (serial_available(0)) {
LED_COM_ON();
char c = uart0_getchar_nowait();
fifo_push(&serialFIFO, c);
if (!fifo_isfull(&serialFIFO)) {
char c = uart0_getchar_nowait();
fifo_push(&serialFIFO, c);
} else {
// TODO: Remove this
printf("SERIAL FIFO OVERRUN\r\n");
printf("QH: %d", queue_height);
while(true) {
LED_TX_ON();
LED_RX_ON();
LED_COM_ON();
}
}
}
}