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more host serial refactor

This commit is contained in:
hathach 2023-04-27 16:32:42 +07:00
parent 9698a088db
commit a32ef1cde1
1 changed files with 47 additions and 65 deletions
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112
src/class/cdc/cdc_host.c
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@ -154,14 +154,14 @@ enum {
};
enum {
CONFIG_FTDI_RESET,
CONFIG_FTDI_RESET = 0,
CONFIG_FTDI_MODEM_CTRL,
CONFIG_FTDI_SET_BAUDRATE,
CONFIG_FTDI_SET_DATA,
CONFIG_FTDI_COMPLETE
};
static bool ftdih_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
static bool ftdi_open(uint8_t daddr, const tusb_desc_interface_t *itf_desc, uint16_t max_len) {
// FTDI Interface includes 1 vendor interface + 2 bulk endpoints
TU_VERIFY(itf_desc->bInterfaceSubClass == 0xff && itf_desc->bInterfaceProtocol == 0xff && itf_desc->bNumEndpoints == 2);
TU_VERIFY(sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t) <= max_len);
@ -169,6 +169,8 @@ static bool ftdih_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uin
cdch_interface_t * p_cdc = make_new_itf(daddr, itf_desc);
TU_VERIFY(p_cdc);
TU_LOG_CDCH("FTDI opened\r\n");
p_cdc->serial_protocol = SERIAL_PROTOCOL_FTDI;
// endpoint pair
@ -178,22 +180,19 @@ static bool ftdih_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uin
return open_ep_stream_pair(p_cdc, desc_ep);
}
static bool ftdih_sio_reset(cdch_interface_t* p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
static bool ftdi_sio_set_request(cdch_interface_t* p_cdc, uint8_t command, uint16_t value, tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
tusb_control_request_t const request = {
.bmRequestType_bit = {
.recipient = TUSB_REQ_RCPT_DEVICE,
.type = TUSB_REQ_TYPE_VENDOR,
.direction = TUSB_DIR_OUT
},
.bRequest = FTDI_SIO_RESET,
.wValue = tu_htole16(FTDI_SIO_RESET_SIO),
.bRequest = command,
.wValue = tu_htole16(value),
.wIndex = 0,
.wLength = 0
};
p_cdc->user_control_cb = complete_cb;
tuh_xfer_t xfer = {
.daddr = p_cdc->daddr,
.ep_addr = 0,
@ -203,36 +202,19 @@ static bool ftdih_sio_reset(cdch_interface_t* p_cdc, tuh_xfer_cb_t complete_cb,
.user_data = user_data
};
TU_ASSERT(tuh_control_xfer(&xfer));
return tuh_control_xfer(&xfer);
}
static bool ftdi_sio_reset(cdch_interface_t* p_cdc, tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
TU_ASSERT(ftdi_sio_set_request(p_cdc, FTDI_SIO_RESET, FTDI_SIO_RESET_SIO, complete_cb, user_data));
return true;
}
static bool ftdi_sio_modem_ctrl(cdch_interface_t* p_cdc, uint16_t line_state, tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
tusb_control_request_t const request = {
.bmRequestType_bit = {
.recipient = TUSB_REQ_RCPT_INTERFACE,
.type = TUSB_REQ_TYPE_VENDOR,
.direction = TUSB_DIR_OUT
},
.bRequest = FTDI_SIO_MODEM_CTRL,
.wValue = tu_htole16(0x0300 | line_state), // 0x0300 is DTR and RTS enable
.wIndex = 0, // port
.wLength = 0
};
p_cdc->user_control_cb = complete_cb;
tuh_xfer_t xfer = {
.daddr = p_cdc->daddr,
.ep_addr = 0,
.setup = &request,
.buffer = NULL,
.complete_cb = cdch_internal_control_complete,
.user_data = user_data
};
TU_ASSERT(tuh_control_xfer(&xfer));
TU_ASSERT(ftdi_sio_set_request(p_cdc, FTDI_SIO_MODEM_CTRL, 0x0300 | line_state, cdch_internal_control_complete, user_data));
return true;
}
@ -240,33 +222,10 @@ static bool ftdi_sio_set_baudrate(cdch_interface_t* p_cdc, uint32_t baudrate, tu
{
// TODO baudrate to baud divisor
(void) baudrate;
uint16_t divisor = 0x4138; // FIXME hardcoded to 9600 baud
tusb_control_request_t const request = {
.bmRequestType_bit = {
.recipient = TUSB_REQ_RCPT_INTERFACE,
.type = TUSB_REQ_TYPE_VENDOR,
.direction = TUSB_DIR_OUT
},
.bRequest = FTDI_SIO_SET_BAUD_RATE,
.wValue = tu_htole16(divisor),
.wIndex = 0, // port
.wLength = 0
};
p_cdc->user_control_cb = complete_cb;
tuh_xfer_t xfer = {
.daddr = p_cdc->daddr,
.ep_addr = 0,
.setup = &request,
.buffer = NULL,
.complete_cb = cdch_internal_control_complete,
.user_data = user_data
};
TU_ASSERT(tuh_control_xfer(&xfer));
TU_ASSERT(ftdi_sio_set_request(p_cdc, FTDI_SIO_SET_BAUD_RATE, divisor, cdch_internal_control_complete, user_data));
return true;
}
@ -280,7 +239,7 @@ static void process_ftdi_config(tuh_xfer_t* xfer) {
switch(state) {
// Note may need to read FTDI eeprom
case CONFIG_FTDI_RESET:
TU_ASSERT(ftdih_sio_reset(p_cdc, process_ftdi_config, CONFIG_FTDI_MODEM_CTRL),);
TU_ASSERT(ftdi_sio_reset(p_cdc, process_ftdi_config, CONFIG_FTDI_MODEM_CTRL),);
break;
case CONFIG_FTDI_MODEM_CTRL:
@ -335,6 +294,13 @@ enum {
CP210X_PID_COUNT = sizeof(cp210x_pids) / sizeof(cp210x_pids[0])
};
enum {
CONFIG_CP210X_IFC_ENABLE = 0,
CONFIG_CP210X_SET_BAUDRATE,
CONFIG_CP210X_SET_LINE_CTL,
CONFIG_CP210X_SET_MHS
};
static bool cp210x_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) {
// CP210x Interface includes 1 vendor interface + 2 bulk endpoints
TU_VERIFY(itf_desc->bInterfaceSubClass == 0 && itf_desc->bInterfaceProtocol == 0 && itf_desc->bNumEndpoints == 2);
@ -343,6 +309,7 @@ static bool cp210x_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, ui
cdch_interface_t * p_cdc = make_new_itf(daddr, itf_desc);
TU_VERIFY(p_cdc);
TU_LOG_CDCH("CP210x opened\r\n");
p_cdc->serial_protocol = SERIAL_PROTOCOL_CP210X;
// endpoint pair
@ -352,6 +319,22 @@ static bool cp210x_open(uint8_t daddr, tusb_desc_interface_t const *itf_desc, ui
return open_ep_stream_pair(p_cdc, desc_ep);
}
static void process_cp210x_config(tuh_xfer_t* xfer) {
uintptr_t const state = xfer->user_data;
uint8_t const itf_num = (uint8_t) tu_le16toh(xfer->setup->wIndex);
uint8_t const idx = tuh_cdc_itf_get_index(xfer->daddr, itf_num);
cdch_interface_t *p_cdc = get_itf(idx);
TU_ASSERT(p_cdc,);
switch (state) {
case CONFIG_CP210X_IFC_ENABLE:
break;
default: break;
}
}
#endif
//--------------------------------------------------------------------+
@ -740,7 +723,7 @@ bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t
enum
{
// ACM
CONFIG_ACM_SET_CONTROL_LINE_STATE,
CONFIG_ACM_SET_CONTROL_LINE_STATE = 0,
CONFIG_ACM_SET_LINE_CODING,
CONFIG_ACM_COMPLETE,
};
@ -840,7 +823,7 @@ bool cdch_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *itf_d
if (TU_FTDI_VID == vid) {
for (size_t i = 0; i < FTDI_PID_COUNT; i++) {
if (ftdi_pids[i] == pid) {
return ftdih_open(daddr, itf_desc, max_len);
return ftdi_open(daddr, itf_desc, max_len);
}
}
}
@ -918,9 +901,10 @@ bool cdch_set_config(uint8_t daddr, uint8_t itf_num)
request.wIndex = tu_htole16((uint16_t) itf_num);
tuh_xfer_t xfer;
xfer.daddr = daddr;
xfer.result = XFER_RESULT_SUCCESS;
xfer.setup = &request;
xfer.daddr = daddr;
xfer.result = XFER_RESULT_SUCCESS;
xfer.setup = &request;
xfer.user_data = 0;
// fake transfer to kick-off process
uint8_t const idx = tuh_cdc_itf_get_index(daddr, itf_num);
@ -929,20 +913,18 @@ bool cdch_set_config(uint8_t daddr, uint8_t itf_num)
switch (p_cdc->serial_protocol) {
case SERIAL_PROTOCOL_ACM:
xfer.user_data = CONFIG_ACM_SET_CONTROL_LINE_STATE;
process_acm_config(&xfer);
break;
#if CFG_TUH_CDC_FTDI
case SERIAL_PROTOCOL_FTDI:
xfer.user_data = CONFIG_FTDI_RESET;
process_ftdi_config(&xfer);
break;
#endif
#if CFG_TUH_CDC_CP210X
case SERIAL_PROTOCOL_CP210X:
//xfer.user_data = CONFIG_SET_CONTROL_LINE_STATE;
process_cp210x_config(&xfer);
break;
#endif