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make CFG_TUH_CDC_LINE_CODING_ON_ENUM optional for ch34x

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hathach
2024-01-20 01:42:31 +07:00
parent 55cb713264
commit 87d509d416
3 changed files with 21 additions and 18 deletions
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12
src/class/cdc/serial/ch34x.h
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@@ -27,21 +27,11 @@
#ifndef _CH34X_H_
#define _CH34X_H_
// For simplicity, only the name CH34X is used here,
// but specifically only CH340 and CH341 are supported.
// There is no official documentation for the CH34x chips. Reference can be found
// There is no official documentation for the CH34x (CH340, CH341) chips. Reference can be found
// - https://github.com/WCHSoftGroup/ch341ser_linux
// - https://github.com/torvalds/linux/blob/master/drivers/usb/serial/ch341.c
// - https://github.com/freebsd/freebsd-src/blob/main/sys/dev/usb/serial/uchcom.c
// set line_coding @ enumeration
#ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM
#define CFG_TUH_CDC_LINE_CODING_ON_ENUM_CH34X CFG_TUH_CDC_LINE_CODING_ON_ENUM
#else // this default is necessary to work properly
#define CFG_TUH_CDC_LINE_CODING_ON_ENUM_CH34X { 9600, CDC_LINE_CONDING_STOP_BITS_1, CDC_LINE_CODING_PARITY_NONE, 8 }
#endif
// USB requests
#define CH34X_REQ_READ_VERSION 0x5F // dec 95
#define CH34X_REQ_WRITE_REG 0x9A // dec 154