psoc6: Updated changes on mbedtls extmod.

Signed-off-by: jaenrig-ifx <enriquezgarcia.external@infineon.com>

Author: jaenrig-ifx

ports/psoc6/Makefile

@@ -56,7 +56,7 @@ CFLAGS  += -Wno-error=double-promotion -Wno-error=overflow -Wno-error=analyzer-n
 
 ifeq ($(MICROPY_PSOC6_SSL_MBEDTLS),1)
   INC += -I$(TOP)/extmod/mbedtls
-  CFLAGS += -DMBEDTLS_CONFIG_FILE=\"mbedtls/mbedtls_config.h\" 
+  CFLAGS += -DMBEDTLS_CONFIG_FILE=\"mbedtls/mbedtls_config_port.h\" 
   CFLAGS += -DMICROPY_SSL_MBEDTLS=1
 endif
 

ports/psoc6/mbedtls/mbedtls_config.h ports/psoc6/mbedtls/mbedtls_config_port.hports/psoc6/mbedtls/mbedtls_config.h renamed to ports/psoc6/mbedtls/mbedtls_config_port.h

@@ -174,3 +174,19 @@ void mp_hal_pin_input(mp_hal_pin_obj_t pin) {
 mp_hal_pin_obj_t mp_hal_get_pin_obj(mp_obj_t obj) {
     return pin_addr_by_name(obj);
 }
+
+void mp_hal_get_random(size_t n, uint8_t *buf) {
+    uint32_t r = 0;
+    cyhal_trng_t trng_obj;
+
+    cyhal_trng_init(&trng_obj);
+
+    for (int i = 0; i < n; i++) {
+        if ((i & 3) == 0) {
+            r = cyhal_trng_generate(&trng_obj); // returns 32-bit hardware random number
+        }
+        buf[i] = r;
+        r >>= 8;
+    }
+    cyhal_trng_free(&trng_obj);
+}

ports/psoc6/mphalport.c

@@ -95,3 +95,6 @@ static inline void mp_hal_pin_config(mp_hal_pin_obj_t pin, uint32_t mode, uint32
     // gpio_set_dir(pin, mode);
     // gpio_set_pulls(pin, pull == MP_HAL_PIN_PULL_UP, pull == MP_HAL_PIN_PULL_DOWN);
 }
+
+
+void mp_hal_get_random(size_t n, uint8_t *buf);