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device cdc: rename tud_cdc_configure_fifo/_t to tud_cdc_configure/_t

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add tx_overwritabe_if_not_connected for cdc driver configure
This commit is contained in:
hathach
2025-03-24 22:58:21 +07:00
parent 9f541a3d96
commit db537861b2
3 changed files with 41 additions and 26 deletions
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38
src/class/cdc/cdc_device.c
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@@ -82,7 +82,7 @@ typedef struct {
static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
CFG_TUD_MEM_SECTION static cdcd_epbuf_t _cdcd_epbuf[CFG_TUD_CDC];
static tud_cdc_configure_fifo_t _cdcd_fifo_cfg;
static tud_cdc_configure_t _cdcd_cfg = TUD_CDC_CONFIGURE_DEFAULT();
static bool _prep_out_transaction(uint8_t itf) {
const uint8_t rhport = 0;
@@ -119,9 +119,9 @@ static bool _prep_out_transaction(uint8_t itf) {
// APPLICATION API
//--------------------------------------------------------------------+
bool tud_cdc_configure_fifo(const tud_cdc_configure_fifo_t* cfg) {
TU_VERIFY(cfg);
_cdcd_fifo_cfg = (*cfg);
bool tud_cdc_configure(const tud_cdc_configure_t* driver_cfg) {
TU_VERIFY(driver_cfg);
_cdcd_cfg = *driver_cfg;
return true;
}
@@ -175,7 +175,7 @@ void tud_cdc_n_read_flush(uint8_t itf) {
//--------------------------------------------------------------------+
uint32_t tud_cdc_n_write(uint8_t itf, const void* buffer, uint32_t bufsize) {
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, (uint16_t) TU_MIN(bufsize, UINT16_MAX));
uint16_t wr_count = tu_fifo_write_n(&p_cdc->tx_ff, buffer, (uint16_t) TU_MIN(bufsize, UINT16_MAX));
// flush if queue more than packet size
if (tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE
@@ -186,7 +186,7 @@ uint32_t tud_cdc_n_write(uint8_t itf, const void* buffer, uint32_t bufsize) {
tud_cdc_n_write_flush(itf);
}
return ret;
return wr_count;
}
uint32_t tud_cdc_n_write_flush(uint8_t itf) {
@@ -233,8 +233,6 @@ bool tud_cdc_n_write_clear(uint8_t itf) {
//--------------------------------------------------------------------+
void cdcd_init(void) {
tu_memclr(_cdcd_itf, sizeof(_cdcd_itf));
tu_memclr(&_cdcd_fifo_cfg, sizeof(_cdcd_fifo_cfg));
for (uint8_t i = 0; i < CFG_TUD_CDC; i++) {
cdcd_interface_t* p_cdc = &_cdcd_itf[i];
@@ -249,10 +247,10 @@ void cdcd_init(void) {
// Config RX fifo
tu_fifo_config(&p_cdc->rx_ff, p_cdc->rx_ff_buf, TU_ARRAY_SIZE(p_cdc->rx_ff_buf), 1, false);
// Config TX fifo as overwritable at initialization and will be changed to non-overwritable
// if terminal supports DTR bit. Without DTR we do not know if data is actually polled by terminal.
// In this way, the most current data is prioritized.
tu_fifo_config(&p_cdc->tx_ff, p_cdc->tx_ff_buf, TU_ARRAY_SIZE(p_cdc->tx_ff_buf), 1, true);
// TX fifo can be configured to change to overwritable if not connected (DTR bit not set). Without DTR we do not
// know if data is actually polled by terminal. This way the most current data is prioritized.
// Default: is overwritable
tu_fifo_config(&p_cdc->tx_ff, p_cdc->tx_ff_buf, TU_ARRAY_SIZE(p_cdc->tx_ff_buf), 1, _cdcd_cfg.tx_overwritabe_if_not_connected);
#if OSAL_MUTEX_REQUIRED
osal_mutex_t mutex_rd = osal_mutex_create(&p_cdc->rx_ff_mutex);
@@ -294,13 +292,13 @@ void cdcd_reset(uint8_t rhport) {
cdcd_interface_t* p_cdc = &_cdcd_itf[i];
tu_memclr(p_cdc, ITF_MEM_RESET_SIZE);
if (!_cdcd_fifo_cfg.rx_persistent) {
if (!_cdcd_cfg.rx_persistent) {
tu_fifo_clear(&p_cdc->rx_ff);
}
if (!_cdcd_fifo_cfg.tx_persistent) {
if (!_cdcd_cfg.tx_persistent) {
tu_fifo_clear(&p_cdc->tx_ff);
}
tu_fifo_set_overwritable(&p_cdc->tx_ff, true);
tu_fifo_set_overwritable(&p_cdc->tx_ff, _cdcd_cfg.tx_overwritabe_if_not_connected);
}
}
@@ -414,8 +412,12 @@ bool cdcd_control_xfer_cb(uint8_t rhport, uint8_t stage, const tusb_control_requ
p_cdc->line_state = (uint8_t) request->wValue;
// Disable fifo overwriting if DTR bit is set
tu_fifo_set_overwritable(&p_cdc->tx_ff, !dtr);
// If enabled: fifo overwriting is disabled if DTR bit is set and vice versa
if (_cdcd_cfg.tx_overwritabe_if_not_connected) {
tu_fifo_set_overwritable(&p_cdc->tx_ff, !dtr);
} else {
tu_fifo_set_overwritable(&p_cdc->tx_ff, false);
}
TU_LOG_DRV(" Set Control Line State: DTR = %d, RTS = %d\r\n", dtr, rts);
@@ -496,7 +498,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
// xferred_bytes is multiple of EP Packet size and not zero
if (!tu_fifo_count(&p_cdc->tx_ff) && xferred_bytes && (0 == (xferred_bytes & (BULK_PACKET_SIZE - 1)))) {
if (usbd_edpt_claim(rhport, p_cdc->ep_in)) {
usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0);
TU_ASSERT(usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0));
}
}
}