Reincarnate the sensinode/cc2430 port

cpu/cc2430/dev/uart1.c

@@ -0,0 +1,74 @@
+/**
+ * \file
+ *
+ *   uart1 write routines
+ *
+ * \author
+ *
+ *   Anthony "Asterisk" Ambuehl
+ *
+ */
+#include <stdlib.h>
+#include <string.h>
+
+#include "cc2430_sfr.h"
+#include "dev/uart1.h"
+
+#if UART_ONE_ENABLE
+/*---------------------------------------------------------------------------*/
+/* UART1 initialization */
+void
+uart1_init()
+{
+#ifdef UART1_ALTERNATIVE_1
+  PERCFG &= ~U1CFG; /*alternative port 1 = P0.5-2*/
+#ifdef UART1_RTSCTS
+  P0SEL |= 0x3C;    /*peripheral select for TX and RX, RTS, CTS*/
+#else
+  P0SEL |= 0x30;    /*peripheral select for TX and RX*/
+  P0 &= ~0x08;    /*RTS down*/
+#endif
+  P0DIR |= 0x18;    /*RTS, TX out*/
+  P0DIR &= ~0x24;   /*CTS, RX in*/
+#else
+  PERCFG |= U1CFG;  /*alternative port 2 = P1.7-4*/
+#ifdef UART1_RTSCTS
+  P1SEL |= 0xF0;    /*peripheral select for TX and RX*/
+#else
+  P1SEL |= 0xC0;    /*peripheral select for TX and RX*/
+  P1 &= ~0x20;    /*RTS down*/
+#endif
+  P1DIR |= 0x60;    /*RTS, TX out*/
+  P1DIR &= ~0x90;   /*CTS, RX in*/
+#endif
+
+#if UART_ONE_CONF_HIGH_SPEED
+  UART_SET_SPEED(1, UART_460_M, UART_460_E);
+#else
+  UART_SET_SPEED(1, UART_115_M, UART_115_E);
+#endif
+
+#ifdef UART1_RTSCTS
+  U1UCR = 0x42; /*defaults: 8N1, RTS/CTS, high stop bit*/
+#else
+  U1UCR = 0x02; /*defaults: 8N1, no flow control, high stop bit*/
+#endif
+
+  U1CSR = U_MODE | U_RE;  /* UART mode, receiver enable */
+
+  /*set priority group of group 3 to highest, so the UART won't miss bytes*/
+  IP1 |= IP1_3;
+  IP0 |= IP0_3;
+}
+/*---------------------------------------------------------------------------*/
+/* Write one byte over the UART. */
+void
+uart1_writeb(uint8_t byte)
+{
+  IRCON2_UTX1IF = 0;
+  U1BUF = byte;
+  while(!IRCON2_UTX1IF); /* Wait until byte has been transmitted. */
+  IRCON2_UTX1IF = 0;
+}
+/*---------------------------------------------------------------------------*/
+#endif