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Merge pull request #442 from geertu/teensy3_usb_serial_port_mismatch 

teensy3: usb_serial: Fix port 2/3 mismatch
teensy4-core
Paul Stoffregen 4 years ago
parent
7f3222c985 4cfb6adbc7
commit
5517d26458
No account linked to committer's email address
2 changed files with 78 additions and 78 deletions
Split View Show Diff Stats
  1. +39
    -39
      teensy3/usb_serial2.c
  2. +39
    -39
      teensy3/usb_serial3.c

+ 39
- 39
teensy3/usb_serial2.c View File

@@ -29,19 +29,19 @@
*/

#include "usb_dev.h"
#include "usb_serial3.h"
#include "usb_serial2.h"
#include "core_pins.h" // for yield()
//#include "HardwareSerial.h"
#include <string.h> // for memcpy()

// defined by usb_dev.h -> usb_desc.h
#if defined(CDC3_STATUS_INTERFACE) && defined(CDC3_DATA_INTERFACE)
#if defined(CDC2_STATUS_INTERFACE) && defined(CDC2_DATA_INTERFACE)
#if F_CPU >= 20000000

uint32_t usb_cdc3_line_coding[2];
volatile uint32_t usb_cdc3_line_rtsdtr_millis;
volatile uint8_t usb_cdc3_line_rtsdtr=0;
volatile uint8_t usb_cdc3_transmit_flush_timer=0;
uint32_t usb_cdc2_line_coding[2];
volatile uint32_t usb_cdc2_line_rtsdtr_millis;
volatile uint8_t usb_cdc2_line_rtsdtr=0;
volatile uint8_t usb_cdc2_transmit_flush_timer=0;

static usb_packet_t *rx_packet=NULL;
static usb_packet_t *tx_packet=NULL;
@@ -50,14 +50,14 @@ static volatile uint8_t tx_noautoflush=0;
#define TRANSMIT_FLUSH_TIMEOUT 5 /* in milliseconds */

// get the next character, or -1 if nothing received
int usb_serial3_getchar(void)
int usb_serial2_getchar(void)
{
unsigned int i;
int c;

if (!rx_packet) {
if (!usb_configuration) return -1;
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
if (!rx_packet) return -1;
}
i = rx_packet->index;
@@ -72,11 +72,11 @@ int usb_serial3_getchar(void)
}

// peek at the next character, or -1 if nothing received
int usb_serial3_peekchar(void)
int usb_serial2_peekchar(void)
{
if (!rx_packet) {
if (!usb_configuration) return -1;
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
if (!rx_packet) return -1;
}
if (!rx_packet) return -1;
@@ -84,16 +84,16 @@ int usb_serial3_peekchar(void)
}

// number of bytes available in the receive buffer
int usb_serial3_available(void)
int usb_serial2_available(void)
{
int count;
count = usb_rx_byte_count(CDC3_RX_ENDPOINT);
count = usb_rx_byte_count(CDC2_RX_ENDPOINT);
if (rx_packet) count += rx_packet->len - rx_packet->index;
return count;
}

// read a block of bytes to a buffer
int usb_serial3_read(void *buffer, uint32_t size)
int usb_serial2_read(void *buffer, uint32_t size)
{
uint8_t *p = (uint8_t *)buffer;
uint32_t qty, count=0;
@@ -102,7 +102,7 @@ int usb_serial3_read(void *buffer, uint32_t size)
if (!usb_configuration) break;
if (!rx_packet) {
rx:
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
if (!rx_packet) break;
if (rx_packet->len == 0) {
usb_free(rx_packet);
@@ -125,7 +125,7 @@ int usb_serial3_read(void *buffer, uint32_t size)
}

// discard any buffered input
void usb_serial3_flush_input(void)
void usb_serial2_flush_input(void)
{
usb_packet_t *rx;

@@ -135,7 +135,7 @@ void usb_serial3_flush_input(void)
rx_packet = NULL;
}
while (1) {
rx = usb_rx(CDC3_RX_ENDPOINT);
rx = usb_rx(CDC2_RX_ENDPOINT);
if (!rx) break;
usb_free(rx);
}
@@ -182,13 +182,13 @@ static uint8_t transmit_previous_timeout=0;


// transmit a character. 0 returned on success, -1 on error
int usb_serial3_putchar(uint8_t c)
int usb_serial2_putchar(uint8_t c)
{
return usb_serial3_write(&c, 1);
return usb_serial2_write(&c, 1);
}


int usb_serial3_write(const void *buffer, uint32_t size)
int usb_serial2_write(const void *buffer, uint32_t size)
{
uint32_t ret = size;
uint32_t len;
@@ -205,7 +205,7 @@ int usb_serial3_write(const void *buffer, uint32_t size)
tx_noautoflush = 0;
return -1;
}
if (usb_tx_packet_count(CDC3_TX_ENDPOINT) < TX_PACKET_LIMIT) {
if (usb_tx_packet_count(CDC2_TX_ENDPOINT) < TX_PACKET_LIMIT) {
tx_noautoflush = 1;
tx_packet = usb_malloc();
if (tx_packet) break;
@@ -219,37 +219,37 @@ int usb_serial3_write(const void *buffer, uint32_t size)
}
}
transmit_previous_timeout = 0;
len = CDC3_TX_SIZE - tx_packet->index;
len = CDC2_TX_SIZE - tx_packet->index;
if (len > size) len = size;
dest = tx_packet->buf + tx_packet->index;
tx_packet->index += len;
size -= len;
while (len-- > 0) *dest++ = *src++;
if (tx_packet->index >= CDC3_TX_SIZE) {
tx_packet->len = CDC3_TX_SIZE;
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
if (tx_packet->index >= CDC2_TX_SIZE) {
tx_packet->len = CDC2_TX_SIZE;
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
}
usb_cdc3_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
usb_cdc2_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
}
tx_noautoflush = 0;
return ret;
}

int usb_serial3_write_buffer_free(void)
int usb_serial2_write_buffer_free(void)
{
uint32_t len;

tx_noautoflush = 1;
if (!tx_packet) {
if (!usb_configuration ||
usb_tx_packet_count(CDC3_TX_ENDPOINT) >= TX_PACKET_LIMIT ||
usb_tx_packet_count(CDC2_TX_ENDPOINT) >= TX_PACKET_LIMIT ||
(tx_packet = usb_malloc()) == NULL) {
tx_noautoflush = 0;
return 0;
}
}
len = CDC3_TX_SIZE - tx_packet->index;
len = CDC2_TX_SIZE - tx_packet->index;
// TODO: Perhaps we need "usb_cdc_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT"
// added here, so the SOF interrupt can't take away the available buffer
// space we just promised the user could write without blocking?
@@ -261,40 +261,40 @@ int usb_serial3_write_buffer_free(void)
return len;
}

void usb_serial3_flush_output(void)
void usb_serial2_flush_output(void)
{
if (!usb_configuration) return;
tx_noautoflush = 1;
if (tx_packet) {
usb_cdc3_transmit_flush_timer = 0;
usb_cdc2_transmit_flush_timer = 0;
tx_packet->len = tx_packet->index;
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
} else {
usb_packet_t *tx = usb_malloc();
if (tx) {
usb_cdc3_transmit_flush_timer = 0;
usb_tx(CDC3_TX_ENDPOINT, tx);
usb_cdc2_transmit_flush_timer = 0;
usb_tx(CDC2_TX_ENDPOINT, tx);
} else {
usb_cdc3_transmit_flush_timer = 1;
usb_cdc2_transmit_flush_timer = 1;
}
}
tx_noautoflush = 0;
}

void usb_serial3_flush_callback(void)
void usb_serial2_flush_callback(void)
{
if (tx_noautoflush) return;
if (tx_packet) {
tx_packet->len = tx_packet->index;
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
} else {
usb_packet_t *tx = usb_malloc();
if (tx) {
usb_tx(CDC3_TX_ENDPOINT, tx);
usb_tx(CDC2_TX_ENDPOINT, tx);
} else {
usb_cdc3_transmit_flush_timer = 1;
usb_cdc2_transmit_flush_timer = 1;
}
}
}
@@ -303,4 +303,4 @@ void usb_serial3_flush_callback(void)


#endif // F_CPU
#endif // CDC3_STATUS_INTERFACE && CDC3_DATA_INTERFACE
#endif // CDC2_STATUS_INTERFACE && CDC2_DATA_INTERFACE

+ 39
- 39
teensy3/usb_serial3.c View File

@@ -29,19 +29,19 @@
*/

#include "usb_dev.h"
#include "usb_serial2.h"
#include "usb_serial3.h"
#include "core_pins.h" // for yield()
//#include "HardwareSerial.h"
#include <string.h> // for memcpy()

// defined by usb_dev.h -> usb_desc.h
#if defined(CDC2_STATUS_INTERFACE) && defined(CDC2_DATA_INTERFACE)
#if defined(CDC3_STATUS_INTERFACE) && defined(CDC3_DATA_INTERFACE)
#if F_CPU >= 20000000

uint32_t usb_cdc2_line_coding[2];
volatile uint32_t usb_cdc2_line_rtsdtr_millis;
volatile uint8_t usb_cdc2_line_rtsdtr=0;
volatile uint8_t usb_cdc2_transmit_flush_timer=0;
uint32_t usb_cdc3_line_coding[2];
volatile uint32_t usb_cdc3_line_rtsdtr_millis;
volatile uint8_t usb_cdc3_line_rtsdtr=0;
volatile uint8_t usb_cdc3_transmit_flush_timer=0;

static usb_packet_t *rx_packet=NULL;
static usb_packet_t *tx_packet=NULL;
@@ -50,14 +50,14 @@ static volatile uint8_t tx_noautoflush=0;
#define TRANSMIT_FLUSH_TIMEOUT 5 /* in milliseconds */

// get the next character, or -1 if nothing received
int usb_serial2_getchar(void)
int usb_serial3_getchar(void)
{
unsigned int i;
int c;

if (!rx_packet) {
if (!usb_configuration) return -1;
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
if (!rx_packet) return -1;
}
i = rx_packet->index;
@@ -72,11 +72,11 @@ int usb_serial2_getchar(void)
}

// peek at the next character, or -1 if nothing received
int usb_serial2_peekchar(void)
int usb_serial3_peekchar(void)
{
if (!rx_packet) {
if (!usb_configuration) return -1;
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
if (!rx_packet) return -1;
}
if (!rx_packet) return -1;
@@ -84,16 +84,16 @@ int usb_serial2_peekchar(void)
}

// number of bytes available in the receive buffer
int usb_serial2_available(void)
int usb_serial3_available(void)
{
int count;
count = usb_rx_byte_count(CDC2_RX_ENDPOINT);
count = usb_rx_byte_count(CDC3_RX_ENDPOINT);
if (rx_packet) count += rx_packet->len - rx_packet->index;
return count;
}

// read a block of bytes to a buffer
int usb_serial2_read(void *buffer, uint32_t size)
int usb_serial3_read(void *buffer, uint32_t size)
{
uint8_t *p = (uint8_t *)buffer;
uint32_t qty, count=0;
@@ -102,7 +102,7 @@ int usb_serial2_read(void *buffer, uint32_t size)
if (!usb_configuration) break;
if (!rx_packet) {
rx:
rx_packet = usb_rx(CDC2_RX_ENDPOINT);
rx_packet = usb_rx(CDC3_RX_ENDPOINT);
if (!rx_packet) break;
if (rx_packet->len == 0) {
usb_free(rx_packet);
@@ -125,7 +125,7 @@ int usb_serial2_read(void *buffer, uint32_t size)
}

// discard any buffered input
void usb_serial2_flush_input(void)
void usb_serial3_flush_input(void)
{
usb_packet_t *rx;

@@ -135,7 +135,7 @@ void usb_serial2_flush_input(void)
rx_packet = NULL;
}
while (1) {
rx = usb_rx(CDC2_RX_ENDPOINT);
rx = usb_rx(CDC3_RX_ENDPOINT);
if (!rx) break;
usb_free(rx);
}
@@ -182,13 +182,13 @@ static uint8_t transmit_previous_timeout=0;


// transmit a character. 0 returned on success, -1 on error
int usb_serial2_putchar(uint8_t c)
int usb_serial3_putchar(uint8_t c)
{
return usb_serial2_write(&c, 1);
return usb_serial3_write(&c, 1);
}


int usb_serial2_write(const void *buffer, uint32_t size)
int usb_serial3_write(const void *buffer, uint32_t size)
{
uint32_t ret = size;
uint32_t len;
@@ -205,7 +205,7 @@ int usb_serial2_write(const void *buffer, uint32_t size)
tx_noautoflush = 0;
return -1;
}
if (usb_tx_packet_count(CDC2_TX_ENDPOINT) < TX_PACKET_LIMIT) {
if (usb_tx_packet_count(CDC3_TX_ENDPOINT) < TX_PACKET_LIMIT) {
tx_noautoflush = 1;
tx_packet = usb_malloc();
if (tx_packet) break;
@@ -219,37 +219,37 @@ int usb_serial2_write(const void *buffer, uint32_t size)
}
}
transmit_previous_timeout = 0;
len = CDC2_TX_SIZE - tx_packet->index;
len = CDC3_TX_SIZE - tx_packet->index;
if (len > size) len = size;
dest = tx_packet->buf + tx_packet->index;
tx_packet->index += len;
size -= len;
while (len-- > 0) *dest++ = *src++;
if (tx_packet->index >= CDC2_TX_SIZE) {
tx_packet->len = CDC2_TX_SIZE;
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
if (tx_packet->index >= CDC3_TX_SIZE) {
tx_packet->len = CDC3_TX_SIZE;
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
}
usb_cdc2_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
usb_cdc3_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT;
}
tx_noautoflush = 0;
return ret;
}

int usb_serial2_write_buffer_free(void)
int usb_serial3_write_buffer_free(void)
{
uint32_t len;

tx_noautoflush = 1;
if (!tx_packet) {
if (!usb_configuration ||
usb_tx_packet_count(CDC2_TX_ENDPOINT) >= TX_PACKET_LIMIT ||
usb_tx_packet_count(CDC3_TX_ENDPOINT) >= TX_PACKET_LIMIT ||
(tx_packet = usb_malloc()) == NULL) {
tx_noautoflush = 0;
return 0;
}
}
len = CDC2_TX_SIZE - tx_packet->index;
len = CDC3_TX_SIZE - tx_packet->index;
// TODO: Perhaps we need "usb_cdc_transmit_flush_timer = TRANSMIT_FLUSH_TIMEOUT"
// added here, so the SOF interrupt can't take away the available buffer
// space we just promised the user could write without blocking?
@@ -261,40 +261,40 @@ int usb_serial2_write_buffer_free(void)
return len;
}

void usb_serial2_flush_output(void)
void usb_serial3_flush_output(void)
{
if (!usb_configuration) return;
tx_noautoflush = 1;
if (tx_packet) {
usb_cdc2_transmit_flush_timer = 0;
usb_cdc3_transmit_flush_timer = 0;
tx_packet->len = tx_packet->index;
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
} else {
usb_packet_t *tx = usb_malloc();
if (tx) {
usb_cdc2_transmit_flush_timer = 0;
usb_tx(CDC2_TX_ENDPOINT, tx);
usb_cdc3_transmit_flush_timer = 0;
usb_tx(CDC3_TX_ENDPOINT, tx);
} else {
usb_cdc2_transmit_flush_timer = 1;
usb_cdc3_transmit_flush_timer = 1;
}
}
tx_noautoflush = 0;
}

void usb_serial2_flush_callback(void)
void usb_serial3_flush_callback(void)
{
if (tx_noautoflush) return;
if (tx_packet) {
tx_packet->len = tx_packet->index;
usb_tx(CDC2_TX_ENDPOINT, tx_packet);
usb_tx(CDC3_TX_ENDPOINT, tx_packet);
tx_packet = NULL;
} else {
usb_packet_t *tx = usb_malloc();
if (tx) {
usb_tx(CDC2_TX_ENDPOINT, tx);
usb_tx(CDC3_TX_ENDPOINT, tx);
} else {
usb_cdc2_transmit_flush_timer = 1;
usb_cdc3_transmit_flush_timer = 1;
}
}
}
@@ -303,4 +303,4 @@ void usb_serial2_flush_callback(void)


#endif // F_CPU
#endif // CDC2_STATUS_INTERFACE && CDC2_DATA_INTERFACE
#endif // CDC3_STATUS_INTERFACE && CDC3_DATA_INTERFACE

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