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Merge pull request #562 from Noolitic/CC2538_UART

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CC2538: add support for UART baudrate 9600, 38400 and 57600
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George Oikonomou 2014-03-08 23:41:52 +00:00
parent 24c503c726 d979e5b096
commit 5675e688a8
1 changed files with 19 additions and 3 deletions
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22
cpu/cc2538/dev/uart.h
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@ -69,6 +69,12 @@
* clocked at 16MHz and that Clock Div is 16 (UART_CTL:HSE clear)
* @{
*/
#define UART_IBRD_9600 104 /**< IBRD value for baud rate 9600 */
#define UART_FBRD_9600 11 /**< FBRD value for baud rate 9600 */
#define UART_IBRD_38400 26 /**< IBRD value for baud rate 38400 */
#define UART_FBRD_38400 3 /**< FBRD value for baud rate 38400 */
#define UART_IBRD_57600 17 /**< IBRD value for baud rate 57600 */
#define UART_FBRD_57600 24 /**< FBRD value for baud rate 57600 */
#define UART_IBRD_115200 8 /**< IBRD value for baud rate 115200 */
#define UART_FBRD_115200 44 /**< FBRD value for baud rate 115200 */
#define UART_IBRD_230400 4 /**< IBRD value for baud rate 230400 */
@ -76,7 +82,16 @@
#define UART_IBRD_460800 2 /**< IBRD value for baud rate 460800 */
#define UART_FBRD_460800 11 /**< FBRD value for baud rate 460800 */
#if UART_CONF_BAUD_RATE==115200
#if UART_CONF_BAUD_RATE==9600
#define UART_CONF_IBRD UART_IBRD_9600
#define UART_CONF_FBRD UART_FBRD_9600
#elif UART_CONF_BAUD_RATE==38400
#define UART_CONF_IBRD UART_IBRD_38400
#define UART_CONF_FBRD UART_FBRD_38400
#elif UART_CONF_BAUD_RATE==57600
#define UART_CONF_IBRD UART_IBRD_57600
#define UART_CONF_FBRD UART_FBRD_57600
#elif UART_CONF_BAUD_RATE==115200
#define UART_CONF_IBRD UART_IBRD_115200
#define UART_CONF_FBRD UART_FBRD_115200
#elif UART_CONF_BAUD_RATE==230400
@ -89,8 +104,9 @@
#if !(defined UART_CONF_IBRD && defined UART_CONF_FBRD)
#error "UART baud rate misconfigured and custom IBRD/FBRD values not provided"
#error "Check the value of UART_CONF_BAUD_RATE in contiki-conf.h or project-conf.h"
#error "Supported values are 115200, 230400 and 460800. Alternatively, you can"
#error "provide custom values for UART_CONF_IBRD and UART_CONF_FBRD"
#error "Supported values are 9600, 38400, 57600, 115200, 230400 and 460800."
#error "Alternatively, you can provide custom values for "
#error "UART_CONF_IBRD and UART_CONF_FBRD"
#endif
#endif
/** @} */