7. Serial Port

C:\Users\LiTao\Desktop\ Child Intelligent Hardware data \NRF51822\NRF51822EK_TM supporting data \EK_TM test program

Serial test

1#include <stdint.h>2 3#include"nrf.h"4#include"simple_uart.h"5#include"Nrf_delay.h"6#include"nrf_gpio.h"7 8uint8_t Simple_uart_get (void)9 {Ten      while(Nrf_uart0->events_rxdrdy! =1) One     { A         //Wait for RXD data to be received -     } -  theNrf_uart0->events_rxdrdy =0; -     return(uint8_t) Nrf_uart0->RXD; - }//Wait until you can Rxdready directly, then set the flag bit to 0 and return the received data (data in rxd)     -  + BOOLSimple_uart_get_with_timeout (int32_t Timeout_ms, uint8_t *rx_data) - { +     BOOLRET =true; A  at      while(Nrf_uart0->events_rxdrdy! =1) -     { -         if(timeout_ms-->=0) -         { -             //wait in 1ms chunk before checking for status -Nrf_delay_us ( +); in         } -         Else to         { +RET =false; -              Break; the         } *}//Wait for RXD data to be received $ Panax Notoginseng     if(Timeout_ms >=0) -     { the         //clear the event and set Rx_data with received byte +Nrf_uart0->events_rxdrdy =0; A*rx_data = (uint8_t) nrf_uart0->RXD; the     } +  -     returnret; $ }//Wait a certain time and then receive  $  - voidsimple_uart_put (uint8_t cr) - { theNrf_uart0->txd =(uint8_t) CR; - Wuyi      while(Nrf_uart0->events_txdrdy! =1) the     { -         //Wait for TXD data to be sent Wu     } -  AboutNrf_uart0->events_txdrdy =0; $ } -  - voidSimple_uart_putstring (Constuint8_t *str) - { Auint_fast8_t i =0; +uint8_t ch = str[i++]; the      while(ch! =' /') -     { $ simple_uart_put (CH); theCH = str[i++]; the     } the } the  - voidSimple_uart_config (uint8_t rts_pin_number, in uint8_t Txd_pin_number, the uint8_t Cts_pin_number, the uint8_t Rxd_pin_number, About                           BOOLHWFC) the { the Nrf_gpio_cfg_output (txd_pin_number); the nrf_gpio_cfg_input (Rxd_pin_number, nrf_gpio_pin_nopull); +  -Nrf_uart0->pseltxd =Txd_pin_number; theNrf_uart0->pselrxd =Rxd_pin_number;Bayi  the     if(HWFC) the     { - Nrf_gpio_cfg_output (rts_pin_number); - nrf_gpio_cfg_input (Cts_pin_number, nrf_gpio_pin_nopull); theNrf_uart0->pselcts =Cts_pin_number; theNrf_uart0->pselrts =Rts_pin_number; theNrf_uart0->config = (uart_config_hwfc_enabled <<uart_config_hwfc_pos); the     } -  theNrf_uart0->baudrate = (uart_baudrate_baudrate_baud38400 <<uart_baudrate_baudrate_pos); thenrf_uart0->enable = (uart_enable_enable_enabled <<uart_enable_enable_pos); theNRF_UART0-&GT;TASKS_STARTTX =1;94Nrf_uart0->tasks_startrx =1; theNrf_uart0->events_rxdrdy =0; the}

Links:Http://pan.baidu.com/s/1i31tNBR

7. Serial Port