1 files changed, 0 insertions, 131 deletions
diff --git a/02.5-collatz/include/usart.h b/02.5-collatz/include/usart.h
deleted file mode 100644
index 257aab6..0000000
--- a/02.5-collatz/include/usart.h
+++ /dev/null
@@ -1,131 +0,0 @@
-#ifndef H__USART_
-#define H__USART_
-
-#include "common.h"
-#include "rcc.h"
-
-#include <stdint.h>
-
-/*
- * Possibel USART clock sources.
- */
-typedef enum {
-  USART_CLK_SRC_PLK = 0, /* Clock derived from the SysClk. */
-  USART_CLK_SRC_SYSCLK = 1, /* System clock. */
-  USART_CLK_SRC_HSI16 = 2, /* 16MHz oscillator. */
-  USART_CLK_SRC_LSE = 3 /* Low power 32kHz clock. */
-} usart_clk_src_t;
-
-typedef struct {
-  /* USART configuration registers 0x04 - 0x0c. */
-  union {
-    uint32_t c_r1;
-    struct {
-      bits_t ue:1;     /* UART enable */
-      bits_t uesm:1;   /* UART enabled in stop mode. */
-      bits_t re:1;     /* reciever enabled. */
-      bits_t te:1;     /* transmitter enabled. */
-      bits_t idleie:1; /* Idle interrupt enabled. */
-      bits_t rxneie:1; /* RXNEIE RXNE interrupt enable. */
-      bits_t tcie:1;
-      bits_t txeie:1;
-      bits_t peie:1;
-      bits_t ps:1;
-      bits_t pce:1;
-      bits_t wake:1;
-      bits_t m0:1;
-      bits_t mme:1;
-      bits_t cmie:1;
-      bits_t over8:1;
-      bits_t dedt:4;
-      bits_t deat:4;
-      bits_t rtoie:1;
-      bits_t eobie:1;
-      bits_t m1:1;
-      bits_t reserved:3;
-    } PACKED c1_bf;
-  };
-  uint32_t c_r2;
-  uint32_t c_r3;
-
-  /* USART baud rate register. */
-  uint32_t br_r;
-  uint32_t gtp_r;
-  uint32_t rto_r;
-  uint32_t rq_r;
-  uint32_t is_r;
-  uint32_t ic_r;
-  uint32_t rd_r;
-  uint32_t td_r;
-} usart_t;
-
-#define USART1 (* (__IO usart_t*) 0x40013800)
-#define USART2 (* (__IO usart_t*) 0x40004400)
-typedef enum {
-  OVERSAMPLE_8,
-  OVERSAMPLE_16
-} oversampling_mode_t;
-
-static inline void usart_set_divisor(
-    __IO usart_t* usart,
-    uint32_t usartdiv)
-{
-  if (usart->c_r1 & (1 << 15)) {
-    /* OVER8 is set. */
-    usart->br_r =
-      (usartdiv & ~7) |
-      ((usartdiv & 7) >> 1);
-  } else {
-    /* OVER8 is not set. */
-    usart->br_r = usartdiv;
-  }
-}
-
-static inline void usart_set_oversampling_mode(
-    __IO usart_t* usart,
-    oversampling_mode_t mode)
-{
-  if (mode == OVERSAMPLE_8) {
-    usart->c_r1 |= 1 << 15;
-  } else {
-    usart->c_r1 &= ~(1 << 15);
-  }
-}
-
-typedef enum {
-  USART_PARITY_DISABLED = 0,
-  USART_PARITY_EVEN     = 2 << 9,
-  USART_PARITY_ODD      = 3 << 9,
-} usart_parity_t;
-
-typedef enum {
-  USART_ENABLE_TX       = 0x02,
-  USART_ENABLE_RX       = 0x01,
-  USART_ENABLE_DISABLED = 0x00,
-} usart_enable_t;
-
-void usart_set_parity(__IO usart_t* usart, usart_parity_t parity);
-
-void usart_set_enabled(__IO usart_t* usart, usart_enable_t enabled);
-
-/*
- * Send a byte on the usart, This command blocks until the data
- * is fully sent.
- */
-void usart_transmit_byte(__IO usart_t* usart, uint8_t byte);
-
-void set_usart1_clock_src(__IO rcc_t* rcc, usart_clk_src_t usart_clk_src);
-
-void set_usart1_clock_enabled(__IO rcc_t* rcc, bool enable);
-
-void set_usart2_clock_src(__IO rcc_t* rcc, usart_clk_src_t usart_clk_src);
-
-void set_usart2_clock_enabled(__IO rcc_t* rcc, bool enable);
-
-void usart_transmit_bytes(
-    __IO usart_t* usart, const uint8_t* bytes, uint32_t n);
-
-void usart_transmit_str(__IO usart_t* usart, const char* str);
-
-
-#endif /* H__USART_ */