main.cpp

00001 #include "mbed.h"
00002 
00003 DigitalOut myled(LED1);
00004 
00005 #include <stdbool.h>
00006 #include <stdint.h>
00007 #include <string.h>
00008 //#include "nrf.h"
00009 #include "micro_esb.h"
00010 #include "uesb_error_codes.h"
00011 #include "nrf_delay.h"
00012 //#include "nrf_gpio.h"
00013 
00014 
00015 
00016 static uesb_payload_t tx_payload, rx_payload;
00017 
00018 void uesb_event_handler()
00019 {
00020     static uint32_t rf_interrupts;
00021     static uint32_t tx_attempts;
00022     
00023     uesb_get_clear_interrupts(&rf_interrupts);
00024     
00025     if(rf_interrupts & UESB_INT_TX_SUCCESS_MSK)
00026     {   
00027     }
00028     
00029     if(rf_interrupts & UESB_INT_TX_FAILED_MSK)
00030     {
00031        uesb_flush_tx();
00032     }
00033     
00034     if(rf_interrupts & UESB_INT_RX_DR_MSK)
00035     {
00036         uesb_read_rx_payload(&rx_payload);
00037         NRF_GPIO->OUTCLR = 0xFUL << 8;
00038         NRF_GPIO->OUTSET = (uint32_t)((rx_payload.data[2] & 0x0F) << 8);
00039     }
00040     
00041    uesb_get_tx_attempts(&tx_attempts);
00042     NRF_GPIO->OUTCLR = 0xFUL << 12;
00043     NRF_GPIO->OUTSET = (tx_attempts & 0x0F) << 12;
00044 }
00045 
00046 int main(void)
00047 {
00048     uint8_t rx_addr_p0[] = {0x12, 0x34, 0x56, 0x78, 0x9A};
00049     uint8_t rx_addr_p1[] = {0xBC, 0xDE, 0xF0, 0x12, 0x23};
00050     uint8_t rx_addr_p2   = 0x66;
00051     
00052     //nrf_gpio_range_cfg_output(8, 15);
00053     
00054     NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
00055     NRF_CLOCK->TASKS_HFCLKSTART = 1;
00056     while(NRF_CLOCK->EVENTS_HFCLKSTARTED == 0);
00057 
00058     uesb_config_t uesb_config       = UESB_DEFAULT_CONFIG;
00059     uesb_config.rf_channel          = 5;
00060     uesb_config.crc                 = UESB_CRC_16BIT;
00061     uesb_config.retransmit_count    = 6;
00062     uesb_config.retransmit_delay    = 500;
00063     uesb_config.dynamic_ack_enabled = 0;
00064     uesb_config.protocol            = UESB_PROTOCOL_ESB_DPL;
00065     uesb_config.bitrate             = UESB_BITRATE_2MBPS;
00066     uesb_config.event_handler       = uesb_event_handler;
00067     
00068     uesb_init(&uesb_config);
00069 
00070     nrf_esb_set_base_address_0(rx_addr_p0);
00071     nrf_esb_set_base_address_1(rx_addr_p1);
00072     //nrf_esb_set_base_address_2(&rx_addr_p2);
00073 
00074     tx_payload.length  = 8;
00075     tx_payload.pipe    = 0;
00076     tx_payload.data[0] = 0x01;
00077     tx_payload.data[1] = 0x00;
00078     tx_payload.data[2] = 0x00;
00079     tx_payload.data[3] = 0x00;
00080     tx_payload.data[4] = 0x11;
00081     
00082     while (true)
00083     {   
00084         if(uesb_write_tx_payload(&tx_payload) == UESB_SUCCESS)
00085         {
00086             tx_payload.data[1]++;
00087         }
00088         nrf_delay_us(10000);
00089     }
00090 }
00091