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CP210x removed baudrate check, fixed data bits check

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This commit is contained in:
IngHK
2024-04-04 14:12:14 +02:00
parent 5e67b92b8c
commit e07ee4a7b1
2 changed files with 2 additions and 19 deletions
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12
src/class/cdc/cdc_host.c
View File

@@ -1701,22 +1701,14 @@ static inline bool cp210x_ifc_enable(cdch_interface_t * p_cdc, uint16_t enabled,
}
static bool cp210x_set_baudrate_request(cdch_interface_t * p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
// Check baudrate is supported. It's only a specific list. reference: datasheets and AN205 "CP210x Baud Rate Support"
uint32_t const supported_baudrates_list[] = CP210X_SUPPORTED_BAUDRATES_LIST;
uint8_t i;
for ( i=0; supported_baudrates_list[i]; i++ ){
if (p_cdc->requested_line_coding.bit_rate == supported_baudrates_list[i]) {
break;
}
}
TU_VERIFY(supported_baudrates_list[i]);
// Not every baud rate is supported. See datasheets and AN205 "CP210x Baud Rate Support"
uint32_t baud_le = tu_htole32(p_cdc->requested_line_coding.bit_rate);
return cp210x_set_request(p_cdc, CP210X_SET_BAUDRATE, 0, (uint8_t *) &baud_le, 4, complete_cb, user_data);
}
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);
TU_VERIFY(p_cdc->requested_line_coding.data_bits >= 5 && p_cdc->requested_line_coding.data_bits <= 8, 0);
uint16_t lcr = (uint16_t) (
(p_cdc->requested_line_coding.data_bits & 0xfUL) << 8 | // data bit quantity is stored in bits 8-11
(p_cdc->requested_line_coding.parity & 0xfUL) << 4 | // parity is stored in bits 4-7, same coding

9
src/class/cdc/serial/cp210x.h
View File

@@ -111,13 +111,4 @@
#define CP210X_LSR_PARITY_ERROR 0x0010
#define CP210X_LSR_ALL 0x001F
// supported baudrates
// reference: datasheets and AN205 "CP210x Baud Rate Support"
#define CP210X_SUPPORTED_BAUDRATES_LIST { \
300, 600, \
1200, 1800, 2400, 4000, 4800, 7200, 9600, \
14400, 16000, 19200, 28800, 38400, 51200, 56000, 57600, 64000, 76800, \
115200, 128000, 153600, 230400, 250000, 256000, 460800, 500000, 576000, 921600, \
0 }
#endif //TUSB_CP210X_H