USB drivers with FIDO2 HID interface demo

2018-10-23 22:56:12 -04:00
parent 5b858af27b
commit cdac84c93f
36 changed files with 19271 additions and 36 deletions
--- a/targets/stm32l442/src/fifo.h
+++ b/targets/stm32l442/src/fifo.h
@@ -0,0 +1,58 @@
+#ifndef _FIFO_H_
+#define _FIFO_H_
+
+#include "app.h"
+
+#define TEST_FIFO 0
+
+#define FIFO_CREATE(NAME,LENGTH,BYTES)\
+int __##NAME##_WRITE_PTR = 0;\
+int __##NAME##_READ_PTR = 0;\
+int __##NAME##_SIZE = 0;\
+static uint8_t __##NAME##_WRITE_BUF[BYTES * LENGTH];\
+\
+int fifo_##NAME##_add(uint8_t * c)\
+{\
+    if (__##NAME##_WRITE_PTR != __##NAME##_READ_PTR || !__##NAME##_SIZE)\
+    {\
+        memmove(__##NAME##_WRITE_BUF + __##NAME##_WRITE_PTR * BYTES, c, BYTES);\
+        __##NAME##_WRITE_PTR ++;\
+        if (__##NAME##_WRITE_PTR >= LENGTH)\
+            __##NAME##_WRITE_PTR = 0;\
+        __##NAME##_SIZE++;\
+        return 0;\
+    }\
+    return -1;\
+}\
+\
+int fifo_##NAME##_take(uint8_t * c)\
+{\
+    memmove(c, __##NAME##_WRITE_BUF + __##NAME##_READ_PTR * BYTES, BYTES);\
+    if (__##NAME##_READ_PTR != __##NAME##_WRITE_PTR || __##NAME##_SIZE)\
+    {\
+        __##NAME##_READ_PTR ++;\
+        if (__##NAME##_READ_PTR >= LENGTH)\
+            __##NAME##_READ_PTR = 0;\
+        __##NAME##_SIZE --;\
+        return 0;\
+    }\
+    return -1;\
+}\
+\
+uint32_t fifo_##NAME##_size()\
+{\
+    return (__##NAME##_SIZE);\
+}\
+
+#define FIFO_CREATE_H(NAME,LENGTH,BYTES)\
+int fifo_##NAME##_add(uint8_t * c);\
+int fifo_##NAME##_take(uint8_t * c);\
+uint32_t fifo_##NAME##_size();\
+
+FIFO_CREATE_H(hidmsg,10,64)
+
+FIFO_CREATE_H(test,100,100)
+
+void fifo_test();
+
+#endif