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Working! But only 4 bytes are propperly transferred.

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Marvin Blum
2017-04-18 01:14:41 +02:00
parent af06ef166f
commit 77efdbc17a
2 changed files with 39 additions and 26 deletions
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14
rf24/rf24.c
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@@ -5,7 +5,7 @@
// FIXME for testing, remove later
#include <util/delay.h>
#define CONFIG_CRC (1<<EN_CRC)|(1<<CRCO)
#define CONFIG_CRC (1<<EN_CRC)|(0<<CRCO)
unsigned char _ce, _csn, _sck, _mo, _mi, _irq, _payload_len;
@@ -47,7 +47,7 @@ void rf24_config(unsigned char channel, unsigned char payload_len){
rf24_config_register(RX_PW_P5, 0x00);
// low transmission rate, 0dBm
rf24_config_register(RF_SETUP, (0<<RF_DR_LOW)|(0x03<<RF_PWR));
rf24_config_register(RF_SETUP, (0<<RF_DR_HIGH)|(0x03<<RF_PWR));
// CRC
rf24_config_register(CONFIG, CONFIG_CRC);
@@ -78,6 +78,8 @@ void rf24_tx_addr(unsigned char* addr){
digital_write(_csn, LOW);
rf24_serial_write(W_REGISTER|RX_ADDR_P0); // auto ACK pipe address must match...
rf24_serial_transmit(addr, 5);
digital_write(_csn, HIGH);
digital_write(_csn, LOW);
rf24_serial_write(W_REGISTER|TX_ADDR); // tx address
rf24_serial_transmit(addr, 5);
digital_write(_csn, HIGH);
@@ -88,14 +90,14 @@ void rf24_rx(){
rf24_serial_write(FLUSH_RX);
digital_write(_csn, HIGH);
digital_write(_ce, LOW);
rf24_config_register(STATUS, (1<<RX_DR)|(1<<TX_DS)|(1<<MAX_RT));
digital_write(_ce, LOW);
rf24_config_register(CONFIG, CONFIG_CRC|(1<<PWR_UP)|(1<<PRIM_RX));
digital_write(_ce, HIGH);
}
void rf24_tx(){
digital_write(_ce, LOW);
rf24_config_register(STATUS, (1<<RX_DR)|(1<<TX_DS)|(1<<MAX_RT));
rf24_config_register(CONFIG, CONFIG_CRC|(1<<PWR_UP)|(0<<PRIM_RX));
}
@@ -106,9 +108,12 @@ void rf24_power_down(){
}
void rf24_send(unsigned char* data){
digital_write(_ce, LOW);
rf24_tx();
digital_write(_csn, LOW);
rf24_serial_write(FLUSH_TX);
digital_write(_csn, HIGH);
digital_write(_csn, LOW);
rf24_serial_write(W_TX_PAYLOAD);
rf24_serial_transmit(data, _payload_len);
digital_write(_csn, HIGH);
@@ -139,7 +144,6 @@ void rf24_get_data(unsigned char* data){
data[i] = rf24_serial_write(NOP);
}
rf24_serial_write(FLUSH_RX);
digital_write(_csn, HIGH);
rf24_config_register(STATUS, 1<<RX_DR);
}