apo/STM32F4DoorControl
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This commit is contained in:
Lynn Ochs 2021-02-13 22:16:17 +01:00
parent 111c5f7200
commit 28977cd128
5 changed files with 11 additions and 9 deletions
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2
main.c
View File

@ -72,7 +72,7 @@ int main(void) {
/* Send any available data to the NFC CDC */
if (!ringbuffer_empty(uart_to_usb_buf)) {
unsigned len = ringbuffer_peek(uart_to_usb_buf, &buf[0], sizeof buf);
if(usb_write_cdcacm(ACM_NFC, buf, len, 1)) {
if(usb_write_cdcacm(ACM_NFC, &buf[0], len, 1)) {
ringbuffer_skip(uart_to_usb_buf, len);
}
}

8
ringbuffer.c
View File

@ -29,7 +29,8 @@ unsigned ringbuffer_level(ringbuffer *buf) {
return size - tail + head;
}
unsigned ringbuffer_add(ringbuffer *buf, uint8_t *dat, unsigned len) {
unsigned ringbuffer_add(ringbuffer *buf, void *dat_, unsigned len) {
uint8_t *dat = dat_;
unsigned rem = ringbuffer_free(buf);
unsigned head = buf->head;
unsigned written = 0;
@ -55,7 +56,8 @@ unsigned ringbuffer_empty(ringbuffer *buf) {
return buf->head == buf->tail;
}
unsigned ringbuffer_peek(ringbuffer *buf, uint8_t *dst, unsigned len) {
unsigned ringbuffer_peek(ringbuffer *buf, void *dst_, unsigned len) {
uint8_t *dst = dst_;
unsigned level = ringbuffer_level(buf);
unsigned size = buf->size;
unsigned tail = buf->tail;
@ -78,7 +80,7 @@ void ringbuffer_skip(ringbuffer *buf, unsigned len) {
buf->tail = (buf->tail + len) % (buf->size);
}
unsigned ringbuffer_get(ringbuffer *buf, uint8_t *dst, unsigned len) {
unsigned ringbuffer_get(ringbuffer *buf, void *dst, unsigned len) {
len = ringbuffer_peek(buf, dst, len);
ringbuffer_skip(buf, len);
return len;

6
ringbuffer.h
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@ -26,10 +26,10 @@ unsigned ringbuffer_level(ringbuffer *buf);
unsigned ringbuffer_empty(ringbuffer *buf);
unsigned ringbuffer_add(ringbuffer *buf, uint8_t *dat, unsigned len);
unsigned ringbuffer_add(ringbuffer *buf, void *dat, unsigned len);
unsigned ringbuffer_get(ringbuffer *buf, uint8_t *dst, unsigned len);
unsigned ringbuffer_peek(ringbuffer *buf, uint8_t *dst, unsigned len);
unsigned ringbuffer_get(ringbuffer *buf, void *dst, unsigned len);
unsigned ringbuffer_peek(ringbuffer *buf, void *dst, unsigned len);
void ringbuffer_skip(ringbuffer *buf, unsigned len);
#ifdef __cplusplus

2
usb.c
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@ -148,7 +148,7 @@ static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep)
}
}
int usb_write_cdcacm(uint8_t acm, uint8_t *data, size_t len, int tries) {
int usb_write_cdcacm(uint8_t acm, void *data, size_t len, int tries) {
int i = 0;
while (usbd_ep_write_packet(g_usbd_dev, (1 + 2 * acm) | 0x80, data, len) == 0 && ++i < tries)
;

2
usb.h
View File

@ -6,7 +6,7 @@
extern usbd_device *g_usbd_dev;
void usb_setup(void);
int usb_write_cdcacm(uint8_t acm, uint8_t *data, size_t len, int tries);
int usb_write_cdcacm(uint8_t acm, void *data, size_t len, int tries);
#define ACM_NFC 1
#define ACM_COMM 0