initial import of sources

2022-08-30 11:02:51 +02:00
commit 410ff88e26
7 changed files with 561 additions and 0 deletions
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 Oleg Borodin  <borodin@unix7.org>
+ */
+
+#include <libopencm3/stm32/usart.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+
+void usart_puts(uint32_t usart, uint8_t * str) {
+    uint16_t i = 0;
+    while (str[i] != 0) {
+        usart_send_blocking(usart, str[i++]);
+    }
+}
+
+void usart_putc(uint32_t usart, uint8_t c) {
+    usart_send_blocking(usart, c);
+}