Ajout FishPeper

OpenSky/arch/cc251x/hal_uart.h

@@ -0,0 +1,68 @@
+/*
+    Copyright 2017 fishpepper <AT> gmail.com
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http:// www.gnu.org/licenses/>.
+
+   author: fishpepper <AT> gmail.com
+*/
+
+#ifndef HAL_UART_H_
+#define HAL_UART_H_
+
+#include <stdint.h>
+#include "hal_defines.h"
+
+// for a 26MHz Crystal:
+#define CC2510_BAUD_E_115200  12
+#define CC2510_BAUD_M_115200  34
+// best match for 100kbit/s = 99975.5859375 bit/s
+// baudrate = (((256.0 + baud_m)*2.0**baud_e) / (2**28)) * 26000000.0
+#define CC2510_BAUD_E_100000  11
+#define CC2510_BAUD_M_100000 248
+#define CC2510_BAUD_E_57600   11
+#define CC2510_BAUD_M_57600   34
+
+union hal_uart_config_t{
+  uint8_t byte;
+  struct {
+        uint8_t START : 1;  // start bit level
+        uint8_t STOP  : 1;  // stop bit level
+        uint8_t SPB   : 1;  // stop bits (0=1, 1=2)
+        uint8_t PARITY: 1;  // parity (on/off)
+        uint8_t BIT9  : 1;  // 9 bit mode
+        uint8_t D9    : 1;  // 9th bit level or parity type
+        uint8_t FLOW  : 1;  // flow control
+        uint8_t ORDER : 1;  // data bit order (LSB or MSB first)
+  } bit;
+};
+
+void hal_uart_init(void);
+static void hal_uart_set_mode(EXTERNAL_MEMORY union hal_uart_config_t *cfg);
+void hal_uart_start_transmission(uint8_t *data, uint8_t len);
+
+#ifdef HUB_TELEMETRY_ON_SBUS_UART
+#if (SBUS_UART == USART0_P1) || (SBUS_UART == USART0_P0)
+  #define HAL_UART_RX_ISR(void) hal_uart_rx_interrupt(void) __interrupt URX0_VECTOR
+  #define HAL_UART_RX_ISR_CLEAR_FLAG() { URX0IF = 0; }
+  #define HAL_UART_RX_GETCH() (U0DBUF)
+#else
+  #define HAL_UART_RX_ISR(void) hal_uart_rx_interrupt(void) __interrupt URX1_VECTOR
+  #define HAL_UART_RX_ISR_CLEAR_FLAG() { URX1IF = 0; }
+  #define HAL_UART_RX_GETCH() (U1DBUF)
+#endif  // SBUS_UART == ...
+
+  void HAL_UART_RX_ISR(void);
+#endif  // HUB_TELEMETRY_ON_SBUS_UART
+
+#endif  // HAL_UART_H_