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fixed FTDI set control line

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This commit is contained in:
IngHK
2024-03-03 13:25:04 +01:00
parent ee92e582b3
commit 2786a61e8b
1 changed files with 11 additions and 10 deletions
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21
src/class/cdc/cdc_host.c
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@@ -82,7 +82,6 @@
( CFG_TUH_CDC_RTS_CONTROL_ON_ENUM ? CDC_CONTROL_LINE_STATE_RTS : 0 ) )
#endif
//--------------------------------------------------------------------+
// Host CDC Interface
//--------------------------------------------------------------------+
@@ -1172,19 +1171,21 @@ static bool ftdi_change_speed(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_c
static bool ftdi_set_data_request(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
TU_VERIFY(p_cdc->requested_line_coding.data_bits >= 7 && p_cdc->requested_line_coding.data_bits <= 8, 0);
uint16_t value = (uint16_t) (
((uint32_t) p_cdc->requested_line_coding.data_bits & 0xf) | // data bit quantity is stored in bits 0-3
((uint32_t) p_cdc->requested_line_coding.parity & 0x7) << 8 | // parity is stored in bits 8-10, same coding
((uint32_t) p_cdc->requested_line_coding.stop_bits & 0x3) << 11 ); // stop bits quantity is stored in bits 11-12, same coding
// not each FTDI supports 1.5 stop bits
((uint32_t) p_cdc->requested_line_coding.data_bits & 0xfu) | // data bit quantity is stored in bits 0-3
((uint32_t) p_cdc->requested_line_coding.parity & 0x7u) << 8 | // parity is stored in bits 8-10, same coding
((uint32_t) p_cdc->requested_line_coding.stop_bits & 0x3u) << 11 ); // stop bits quantity is stored in bits 11-12, same coding
// not each FTDI supports 1.5 stop bits
return ftdi_set_request(p_cdc, FTDI_SIO_SET_DATA_REQUEST, FTDI_SIO_SET_DATA_REQUEST_TYPE,
value, p_cdc->ftdi.channel, complete_cb, user_data);
}
static inline bool ftdi_update_mctrl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
// FTDI has the same bit coding
uint16_t value = (uint16_t) ((p_cdc->requested_line_state.dtr ? (uint32_t) FTDI_SIO_SET_DTR_HIGH : (uint32_t) FTDI_SIO_SET_DTR_LOW) |
(p_cdc->requested_line_state.rts ? (uint32_t) FTDI_SIO_SET_RTS_HIGH : (uint32_t) FTDI_SIO_SET_RTS_LOW));
return ftdi_set_request(p_cdc, FTDI_SIO_SET_MODEM_CTRL_REQUEST, FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
p_cdc->requested_line_state.all, p_cdc->ftdi.channel, complete_cb, user_data);
value, p_cdc->ftdi.channel, complete_cb, user_data);
}
//------------- Driver API -------------//
@@ -1704,9 +1705,9 @@ static bool cp210x_set_baudrate_request(cdch_interface_t * p_cdc, tuh_xfer_cb_t
static bool cp210x_set_line_ctl(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
TU_VERIFY(p_cdc->requested_line_coding.data_bits >= 5 && p_cdc->requested_line_coding.data_bits <= 9, 0);
uint16_t lcr = (uint16_t) (
((uint32_t) p_cdc->requested_line_coding.data_bits & 0xf) << 8 | // data bit quantity is stored in bits 8-11
((uint32_t) p_cdc->requested_line_coding.parity & 0xf) << 4 | // parity is stored in bits 4-7, same coding
((uint32_t) p_cdc->requested_line_coding.stop_bits & 0xf)); // parity is stored in bits 0-3, same coding
((uint32_t) p_cdc->requested_line_coding.data_bits & 0xfu) << 8 | // data bit quantity is stored in bits 8-11
((uint32_t) p_cdc->requested_line_coding.parity & 0xfu) << 4 | // parity is stored in bits 4-7, same coding
((uint32_t) p_cdc->requested_line_coding.stop_bits & 0xfu)); // parity is stored in bits 0-3, same coding
return cp210x_set_request(p_cdc, CP210X_SET_LINE_CTL, lcr, NULL, 0, complete_cb, user_data);
}