*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
return status;
}
-static inline uint8_t ao_radio_fifo_write_stop(uint8_t status) {
+static inline void ao_radio_fifo_write_stop(void) {
ao_radio_deselect();
- return status;
}
static uint8_t
{
uint8_t status = ao_radio_fifo_write_start();
ao_radio_spi_send(data, len);
- return ao_radio_fifo_write_stop(status);
+ ao_radio_fifo_write_stop();
+ return status;
}
static uint8_t
{
uint8_t status = ao_radio_fifo_write_start();
ao_radio_spi_send_fixed(data, len);
- return ao_radio_fifo_write_stop(status);
+ ao_radio_fifo_write_stop();
+ return status;
}
static uint8_t
-ao_radio_tx_fifo_space(void)
+ao_radio_int_pin(void)
{
- return CC1120_FIFO_SIZE - ao_radio_reg_read(CC1120_NUM_TXBYTES);
+ return ao_gpio_get(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN);
}
#if CC1120_DEBUG
}
static void
-ao_radio_start_tx(void)
+ao_radio_enable_isr(void)
{
- ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_isr);
ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN);
ao_exti_enable(AO_CC1120_MCU_WAKEUP_PORT, AO_CC1120_MCU_WAKEUP_PIN);
+}
+
+static void
+ao_radio_start_tx(void)
+{
+ ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_isr);
ao_radio_tx_finished = 0;
ao_radio_strobe(CC1120_STX);
}
CC1120_PA_CFG0, 0x7e,
};
+#define AO_CC1120_TX_BUFFER 64
+
static const uint16_t packet_tx_setup[] = {
CC1120_PKT_CFG2, ((CC1120_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1120_PKT_CFG2_CCA_MODE) |
(CC1120_PKT_CFG2_PKT_FORMAT_NORMAL << CC1120_PKT_CFG2_PKT_FORMAT)),
- AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_RX0TX1_CFG,
+ CC1120_FIFO_CFG, ((0 << CC1120_FIFO_CFG_CRC_AUTOFLUSH) |
+ (AO_CC1120_TX_BUFFER << CC1120_FIFO_CFG_FIFO_THR)),
};
static const uint16_t packet_rx_setup[] = {
CC1120_PREAMBLE_CFG1, ((CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_NONE << CC1120_PREAMBLE_CFG1_NUM_PREAMBLE) |
(CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1120_PREAMBLE_CFG1_PREAMBLE_WORD)),
CC1120_PA_CFG0, 0x7d,
+ CC1120_FIFO_CFG, ((0 << CC1120_FIFO_CFG_CRC_AUTOFLUSH) |
+ (AO_CC1120_TX_BUFFER << CC1120_FIFO_CFG_FIFO_THR)),
};
/*
ao_radio_start_tx();
ao_arch_block_interrupts();
- while (!ao_radio_wake && !ao_radio_abort && !ao_radio_mcu_wake)
+ while (!ao_radio_wake && !ao_radio_abort && !ao_radio_mcu_wake) {
+ ao_radio_enable_isr();
ao_sleep(&ao_radio_wake);
+ }
ao_arch_release_interrupts();
if (ao_radio_mcu_wake)
ao_radio_check_marc_status();
ao_radio_continuity(uint8_t c)
{
uint8_t i;
- uint8_t status;
ao_rdf_start(AO_RADIO_CONT_TOTAL_LEN);
- status = ao_radio_fifo_write_start();
+ (void) ao_radio_fifo_write_start();
for (i = 0; i < 3; i++) {
ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
if (i < c)
ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_TONE_LEN);
}
ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
- status = ao_radio_fifo_write_stop(status);
- (void) status;
+ ao_radio_fifo_write_stop();
ao_rdf_run();
}
static uint8_t radio_on;
ao_cmd_white();
if (ao_cmd_lex_c != '\n') {
- ao_cmd_decimal();
- mode = (uint8_t) ao_cmd_lex_u32;
+ mode = ao_cmd_decimal();
}
mode++;
if ((mode & 2) && !radio_on) {
ao_radio_check_marc_status();
}
-static uint8_t
-ao_radio_wait_tx(uint8_t wait_fifo)
+static void
+ao_radio_wait_fifo(void)
{
- uint8_t fifo_space = 0;
-
- do {
+ while (ao_radio_int_pin() != 0 && !ao_radio_abort) {
+ ao_radio_wake = 0;
+ ao_radio_enable_isr();
ao_radio_wait_isr(0);
- if (!wait_fifo)
- return 0;
- fifo_space = ao_radio_tx_fifo_space();
- } while (!fifo_space && !ao_radio_abort);
- return fifo_space;
+ }
}
static uint8_t tx_data[(AO_RADIO_MAX_SEND + 4) * 2];
uint8_t encode_len;
uint8_t this_len;
uint8_t started = 0;
- uint8_t fifo_space;
encode_len = ao_fec_encode(d, size, tx_data);
/* Flush any pending TX bytes */
ao_radio_strobe(CC1120_SFTX);
- started = 0;
- fifo_space = CC1120_FIFO_SIZE;
while (encode_len) {
this_len = encode_len;
- ao_radio_wake = 0;
- if (this_len > fifo_space) {
- this_len = fifo_space;
+ if (started) {
+ ao_radio_wait_fifo();
+ if (ao_radio_abort)
+ break;
+ }
+
+ if (this_len > AO_CC1120_TX_BUFFER) {
+ this_len = AO_CC1120_TX_BUFFER;
ao_radio_set_mode(AO_RADIO_MODE_PACKET_TX_BUF);
} else {
ao_radio_set_mode(AO_RADIO_MODE_PACKET_TX_FINISH);
if (!started) {
ao_radio_start_tx();
started = 1;
- } else {
- ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN);
- }
-
- fifo_space = ao_radio_wait_tx(encode_len != 0);
- if (ao_radio_abort) {
- ao_radio_idle();
- break;
}
}
- while (started && !ao_radio_abort && !ao_radio_tx_finished)
+ while (started && !ao_radio_abort && !ao_radio_tx_finished) {
+ ao_radio_wake = 0;
+ ao_radio_enable_isr();
ao_radio_wait_isr(0);
+ }
+ if (ao_radio_abort)
+ ao_radio_idle();
ao_radio_put();
}
-#define AO_RADIO_LOTS 64
-
void
ao_radio_send_aprs(ao_radio_fill_func fill)
{
- uint8_t buf[AO_RADIO_LOTS], *b;
+ uint8_t buf[AO_CC1120_TX_BUFFER];
int cnt;
int total = 0;
uint8_t done = 0;
uint8_t started = 0;
- uint8_t fifo_space;
ao_radio_get(0xff);
- fifo_space = CC1120_FIFO_SIZE;
+
+ ao_radio_abort = 0;
+
+ ao_exti_set_callback(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN, ao_radio_isr);
while (!done) {
cnt = (*fill)(buf, sizeof(buf));
if (cnt < 0) {
}
total += cnt;
- /* At the last buffer, set the total length */
- if (done)
- ao_radio_set_len(total & 0xff);
-
- b = buf;
- while (cnt) {
- uint8_t this_len = cnt;
-
- /* Wait for some space in the fifo */
- while (!ao_radio_abort && (fifo_space = ao_radio_tx_fifo_space()) == 0) {
- ao_radio_wake = 0;
- ao_radio_wait_isr(0);
- }
+ /* Wait for some space in the fifo */
+ if (started) {
+ ao_radio_wait_fifo();
if (ao_radio_abort)
break;
- if (this_len > fifo_space)
- this_len = fifo_space;
-
- cnt -= this_len;
-
- if (done) {
- if (cnt)
- ao_radio_set_mode(AO_RADIO_MODE_APRS_LAST_BUF);
- else
- ao_radio_set_mode(AO_RADIO_MODE_APRS_FINISH);
- } else
- ao_radio_set_mode(AO_RADIO_MODE_APRS_BUF);
-
- ao_radio_fifo_write(b, this_len);
- b += this_len;
-
- if (!started) {
- ao_radio_start_tx();
- started = 1;
- } else
- ao_exti_enable(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN);
}
- if (ao_radio_abort) {
- ao_radio_idle();
- break;
+
+ if (done) {
+ ao_radio_set_len(total & 0xff);
+ ao_radio_set_mode(AO_RADIO_MODE_APRS_FINISH);
+ } else
+ ao_radio_set_mode(AO_RADIO_MODE_APRS_BUF);
+
+ ao_radio_fifo_write(buf, cnt);
+
+ if (!started) {
+ ao_radio_start_tx();
+ started = 1;
}
- /* Wait for the transmitter to go idle */
+ }
+ /* Wait for the transmitter to go idle */
+ while (started && ao_radio_int_pin() != 0 && !ao_radio_abort) {
ao_radio_wake = 0;
+ ao_radio_enable_isr();
ao_radio_wait_isr(0);
}
+ if (ao_radio_abort)
+ ao_radio_idle();
ao_radio_put();
}
{
uint8_t d;
+ if (ao_radio_abort)
+ return;
if (rx_task_id) {
if (ao_radio_try_select(rx_task_id)) {
++rx_fast_start;
}
uint8_t
-ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout)
+ao_radio_recv(void *d, uint8_t size, uint8_t timeout)
{
uint8_t len;
uint8_t radio_rssi = 0;
static void
ao_radio_aprs(void)
{
+#if PACKET_HAS_SLAVE
ao_packet_slave_stop();
+#endif
ao_aprs_send();
}
#endif
projects / fw / altos / blobdiff