#define FOSC 26000000
+#define AO_CC115L_SPI_SPEED ao_spi_speed(6500000) /* for back-to-back access */
+
#define ao_radio_select() ao_spi_get_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS,AO_CC115L_SPI_SPEED)
#define ao_radio_deselect() ao_spi_put_mask(AO_CC115L_SPI_CS_PORT,(1 << AO_CC115L_SPI_CS_PIN),AO_CC115L_SPI_BUS)
#define ao_radio_spi_send(d,l) ao_spi_send((d), (l), AO_CC115L_SPI_BUS)
uint8_t ao_radio_tone_current;
uint8_t ao_radio_tone_offset;
-int16_t
+static int16_t
ao_radio_tone_fill(uint8_t *buf, int16_t len)
{
int16_t ret = 0;