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stmhal/usb: Always use the mp_kbd_exception object for VCP interrupt.

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There's no need to store a separate pointer to this object.
This commit is contained in:
Damien George 2016-12-15 12:45:56 +11:00
parent f254cfd3c4
commit 979ab4e126
3 changed files with 6 additions and 8 deletions
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4
stmhal/usb.c
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@ -96,7 +96,7 @@ const mp_obj_tuple_t pyb_usb_hid_keyboard_obj = {
};
void pyb_usb_init0(void) {
USBD_CDC_SetInterrupt(-1, MP_STATE_PORT(mp_kbd_exception));
USBD_CDC_SetInterrupt(-1);
MP_STATE_PORT(pyb_hid_report_desc) = MP_OBJ_NULL;
}
@ -146,7 +146,7 @@ void usb_vcp_set_interrupt_char(int c) {
if (c != -1) {
mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_kbd_exception));
}
USBD_CDC_SetInterrupt(c, MP_STATE_PORT(mp_kbd_exception));
USBD_CDC_SetInterrupt(c);
}
}

8
stmhal/usbd_cdc_interface.c
View File

@ -41,6 +41,7 @@
#include "usbd_cdc_interface.h"
#include "pendsv.h"
#include "py/mpstate.h"
#include "py/obj.h"
#include "irq.h"
#include "timer.h"
@ -79,7 +80,6 @@ static uint8_t UserTxBufPtrWaitCount = 0; // used to implement a timeout waiting
static uint8_t UserTxNeedEmptyPacket = 0; // used to flush the USB IN endpoint if the last packet was exactly the endpoint packet size
static int user_interrupt_char = -1;
static void *user_interrupt_data = NULL;
/* Private function prototypes -----------------------------------------------*/
static int8_t CDC_Itf_Init (void);
@ -152,7 +152,6 @@ static int8_t CDC_Itf_Init(void)
* This can happen if the USB enumeration occurs after the call to
* USBD_CDC_SetInterrupt.
user_interrupt_char = -1;
user_interrupt_data = NULL;
*/
return (USBD_OK);
@ -354,7 +353,7 @@ static int8_t CDC_Itf_Receive(uint8_t* Buf, uint32_t *Len) {
if (*src == user_interrupt_char) {
char_found = true;
// raise exception when interrupts are finished
pendsv_nlr_jump(user_interrupt_data);
pendsv_nlr_jump(MP_STATE_PORT(mp_kbd_exception));
} else {
if (char_found) {
*dest = *src;
@ -386,9 +385,8 @@ int USBD_CDC_IsConnected(void) {
return dev_is_connected;
}
void USBD_CDC_SetInterrupt(int chr, void *data) {
void USBD_CDC_SetInterrupt(int chr) {
user_interrupt_char = chr;
user_interrupt_data = data;
}
int USBD_CDC_TxHalfEmpty(void) {

2
stmhal/usbd_cdc_interface.h
View File

@ -32,7 +32,7 @@
extern const USBD_CDC_ItfTypeDef USBD_CDC_fops;
int USBD_CDC_IsConnected(void);
void USBD_CDC_SetInterrupt(int chr, void *data);
void USBD_CDC_SetInterrupt(int chr);
int USBD_CDC_TxHalfEmpty(void);
int USBD_CDC_Tx(const uint8_t *buf, uint32_t len, uint32_t timeout);