NRF24L01+ Library for any platform

this libarary file is originally developed for STM32's HAL framwork
but very easy for you to imagrate it to any other platform(->arm's processor,->Linux)

thank for the healthy state machine nrf_mode nrf_change_device_mode(mod_to_change) , any step of app do is under monitor.if something unexpected happened , app can know it for the frist time

(for example , when nrf24l01+ is not in sleep mode or powerdown mode,the action that app's write register will not succeed. but SPI bus will work normally so you can't know that action is fail)

how to use

init :

nrf_set_enable(NRF_MODE_Power_Off);
nrf_config_rx_channel(chn,rf_addr_read_of,pack_size,address_of_your_rx_buff);
nrf_config_tx_address(rf_addr_write_to);
nrf_set_enable(NRF_MODE_(RX|TX));

loop : (or rtos loop,system call.etc)
rx:

// check interrupt and read from rx buffer

tx:

nrf_load_tx(data,size);
// wait for interrupt to tell whether it's succeed or fail

interrupt handler :
rx :

int chn = nrf_interrupt_handler();
if(chn >= 0 && chn <= 5){
  ... // tell app to read rx buffer;
}else{
  ... // un-define error
}

tx :

int inf = nrf_interrupt_handler();
if(inf == 6){
  ... // success , let app know to trancemit next package
}else if(inf == 7){
  ... //retry overtimes
}else {
  ... // un-define error
}

how to imagrate

1,open nrf24l01p.c 2,edit defines CSN,CE,delay,write,read

do not edit any other part of this file

how to develop

I think , as a developer , you must know it