nrf control, stub of sending data

Inc/crc32.h

@@ -0,0 +1,15 @@
+//
+// Created by MightyPork on 2018/04/03.
+//
+
+#ifndef GEX_NRF_CRC32_H
+#define GEX_NRF_CRC32_H
+
+uint32_t CRC32_Start(void);
+
+uint32_t CRC32_Add(uint32_t cksum, uint8_t byte);
+
+uint32_t CRC32_End(uint32_t cksum);
+
+
+#endif //GEX_NRF_CRC32_H

Inc/gex_gateway.h

@@ -6,7 +6,8 @@
 #define GEX_NRF_GEX_GATEWAY_H
 
 #include "main.h"
-void gw_process(void);
 void gw_handle_usb_out(uint8_t *buffer);
 
+void gw_setup_radio(void);
+
 #endif //GEX_NRF_GEX_GATEWAY_H

Inc/msg_queue.h

@@ -21,8 +21,7 @@ typedef struct {
     volatile uint32_t nw;
 } MQueue;
 
-extern MQueue usb_rxq;
-extern MQueue usb_txq;
+extern MQueue usb_inq;
 
 void mq_init(MQueue *mq);
 

Inc/nrf.h

@@ -0,0 +1,157 @@
+//
+// Created by MightyPork on 2018/04/02.
+//
+
+#ifndef GEX_NRF_NRF_H
+#define GEX_NRF_NRF_H
+
+/*
+ * nordic.h
+ *
+ * Created:12/16/2013 3:36:04 PM
+ *  Author: Tom
+ *
+ *    NRF24L01+ Library II
+ *
+ */
+
+
+#ifndef NORDIC_H_
+#define NORDIC_H_
+
+#include "main.h"
+
+// Initialize SPI and the Nordic
+
+/**
+ * Initialize the NRF module
+ *
+ * @param pSpeed
+ */
+void NRF_Init(uint8_t pSpeed);
+
+#define NRF_SPEED_500k 0b00100110
+#define NRF_SPEED_2M 0b00001110
+#define NRF_SPEED_1M 0b00000110
+
+/**
+ * Set reception address
+ * @param pipenum - pipe to set
+ * @param AddrByte - byte 0
+ */
+void NRF_SetRxAddress(uint8_t pipenum, uint8_t AddrByte);
+
+/**
+ * Set communication channel
+ */
+void NRF_SetChannel(uint8_t Ch) ; // 0 through 83 only!
+
+/**
+ * Power down the transceiver
+ */
+void NRF_PowerDown(void);
+
+/**
+ * Selecr RX mode
+ */
+void NRF_ModeRX(void);
+
+/**
+ * Select TX mode
+ */
+void NRF_ModeTX(void);
+
+/**
+ * @return NRF is power down
+ */
+uint8_t NRF_IsModePowerDown(void);
+
+/**
+ * @return NRF in TX mode
+ */
+uint8_t NRF_IsModeTX(void);
+
+/**
+ * @return NRF in RX mode
+ */
+uint8_t NRF_IsModeRx(void);
+
+/**
+ * Add a pipe to the next free slot
+ *
+ * @param AddrByte - address byte of the peer
+ * @param[out] PipeNum - pipe number is written here
+ * @return success
+ */
+bool NRF_AddPipe(uint8_t AddrByte, uint8_t *PipeNum);
+
+/**
+ * Convert pipe number to address byte
+ *
+ * @param pipe_num - pipe number
+ * @return address byte
+ */
+uint8_t NRF_PipeNum2Addr(uint8_t pipe_num);
+
+/**
+ * Convert address to a pipe number
+ *
+ * @param addr
+ * @return
+ */
+uint8_t NRF_Addr2PipeNum(uint8_t addr);
+
+/**
+ * Reset as much as possible (incl. removing pipes)
+ */
+void NRF_Reset(void);
+
+/**
+ * Send a packet (takes care of mode switching etc)
+ *
+ * @param PipeNum - pipe number
+ * @param Packet - packet bytes
+ * @param Length - packet length
+ * @return success (ACK'd)
+ */
+bool NRF_SendPacket(uint8_t PipeNum, const uint8_t *Packet, uint8_t Length);
+
+/**
+ * Receive a packet
+ *
+ * @param[out] Packet - the receiuved packet - buffer that is written
+ * @param[out] PipeNum - pipe number that was received from
+ * @return packet size, 0 on failure
+ */
+uint8_t NRF_ReceivePacket(uint8_t *Packet, uint8_t *PipeNum);
+
+/**
+ * Set base address
+ * @param Bytes4
+ */
+void NRF_SetBaseAddress(const uint8_t *Bytes4);
+
+/**
+ * Check if there's a packet to be read
+ *
+ * @return 1 if any to read
+ */
+bool NRF_IsRxPacket(void);
+
+/**
+ * Enable a pipe
+ *
+ * @param pipenum - pipe number 0-5
+ */
+void NRF_EnablePipe(uint8_t pipenum);
+
+/**
+ * Disable a pipe
+ *
+ * @param pipenum - pipe number 0-5
+ */
+void NRF_DisablePipe(uint8_t pipenum);
+
+#endif /* NORDIC_H_ */
+
+#endif //GEX_NRF_NRF_H