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nRF51822 - Add support for Serial 31250 baud (for Legacy MIDI)

pull/715/head
kshoji 2014-11-17 12:56:40 +09:00
parent ab3fb54a15
commit 3dcb6a5b25
2 changed files with 4 additions and 2 deletions
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1
libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/nrf51_bitfields.h
View File

@ -6220,6 +6220,7 @@
#define UART_BAUDRATE_BAUDRATE_Baud14400 (0x003B0000UL) /*!< 14400 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud19200 (0x004EA000UL) /*!< 19200 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud28800 (0x0075F000UL) /*!< 28800 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud31250 (0x00800000UL) /*!< 31250 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud38400 (0x009D5000UL) /*!< 38400 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud57600 (0x00EBF000UL) /*!< 57600 baud. */
#define UART_BAUDRATE_BAUDRATE_Baud76800 (0x013A9000UL) /*!< 76800 baud. */

5
libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/serial_api.c
View File

@ -29,13 +29,14 @@
static uint32_t serial_irq_ids[UART_NUM] = {0};
static uart_irq_handler irq_handler;
static uint32_t acceptedSpeeds[16][2] = {{1200, UART_BAUDRATE_BAUDRATE_Baud1200},
static uint32_t acceptedSpeeds[17][2] = {{1200, UART_BAUDRATE_BAUDRATE_Baud1200},
{2400, UART_BAUDRATE_BAUDRATE_Baud2400},
{4800, UART_BAUDRATE_BAUDRATE_Baud4800},
{9600, UART_BAUDRATE_BAUDRATE_Baud9600},
{14400, UART_BAUDRATE_BAUDRATE_Baud14400},
{19200, UART_BAUDRATE_BAUDRATE_Baud19200},
{28800, UART_BAUDRATE_BAUDRATE_Baud28800},
{31250, UART_BAUDRATE_BAUDRATE_Baud31250},
{38400, UART_BAUDRATE_BAUDRATE_Baud38400},
{57600, UART_BAUDRATE_BAUDRATE_Baud57600},
{76800, UART_BAUDRATE_BAUDRATE_Baud76800},
@ -109,7 +110,7 @@ void serial_baud(serial_t *obj, int baudrate)
return;
}
for (int i = 1; i<16; i++) {
for (int i = 1; i<17; i++) {
if (baudrate<acceptedSpeeds[i][0]) {
obj->uart->BAUDRATE = acceptedSpeeds[i - 1][1];
return;