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Asynchronous IO implemented, packet queueing implemented

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Mark Qvist 2019-01-08 22:24:29 +01:00
parent 06d138d66c
commit c22123b953
6 changed files with 49 additions and 25 deletions
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8
hardware/AFSK.c
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@ -149,14 +149,6 @@ int afsk_getchar(FILE *stream) {
}
}
void AFSK_transmit(char *buffer, size_t size) {
fifo_flush(&AFSK_modem->txFifo);
int i = 0;
while (size--) {
afsk_putchar(buffer[i++], NULL);
}
}
uint8_t AFSK_dac_isr(Afsk *afsk) {
if (afsk->sampleIndex == 0) {
if (afsk->txBit == 0) {

19
hardware/AFSK.h
View file

@ -39,7 +39,7 @@ inline static uint8_t sinSample(uint16_t i) {
#define CPU_FREQ F_CPU
#define BITRATE 2400
#define BITRATE 1200
#if BITRATE == 300
#define CONFIG_ADC_SAMPLERATE 9600UL
@ -49,16 +49,26 @@ inline static uint8_t sinSample(uint16_t i) {
#define CONFIG_DAC_SAMPLERATE 19200UL
#elif BITRATE == 2400
#define CONFIG_ADC_SAMPLERATE 19200UL
#define CONFIG_DAC_SAMPLERATE 38400UL
#define CONFIG_DAC_SAMPLERATE 19200UL
#endif
#define CLOCK_TICKS_PER_SEC CONFIG_ADC_SAMPLERATE
#define CONFIG_AFSK_RX_BUFLEN AX25_MAX_FRAME_LEN
#define CONFIG_AFSK_TX_BUFLEN AX25_MAX_FRAME_LEN
#define CONFIG_AFSK_RXTIMEOUT 0
#define CONFIG_AFSK_PREAMBLE_LEN 150UL
#define CONFIG_AFSK_TRAILER_LEN 25UL
#if BITRATE == 300
#define CONFIG_AFSK_PREAMBLE_LEN 150UL
#define CONFIG_AFSK_TRAILER_LEN 10UL
#elif BITRATE == 1200
#define CONFIG_AFSK_PREAMBLE_LEN 150UL
#define CONFIG_AFSK_TRAILER_LEN 10UL
#elif BITRATE == 2400
#define CONFIG_AFSK_PREAMBLE_LEN 200UL
#define CONFIG_AFSK_TRAILER_LEN 25UL
#endif
#define BIT_STUFF_LEN 5
#define ADC_SAMPLESPERBIT (CONFIG_ADC_SAMPLERATE / BITRATE)
@ -230,7 +240,6 @@ typedef struct Afsk
void AFSK_init(Afsk *afsk);
void AFSK_adc_init(void);
void AFSK_dac_init(void);
void AFSK_transmit(char *buffer, size_t size);
void AFSK_poll(Afsk *afsk);
#endif