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working nordic comm, tested. May need cleaning

Browse Source
remotes/github/master
Ondřej Hruška 6 years ago
parent 2f4101a6e0
commit e4ae8e23fc
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
7 changed files with 118 additions and 70 deletions
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  1. 20
      comm/iface_nordic.c
  2. 9
      comm/interfaces.c
  3. 2
      comm/interfaces.h
  4. 3
      comm/messages.c
  5. 144
      comm/nrf.c
  6. 8
      comm/nrf.h
  7. 2
      gex.mk

20
comm/iface_nordic.c
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@ -9,10 +9,11 @@
#include "nrf.h"
#include "unit_base.h"
#include "system_settings.h"
#include "utils/hexdump.h"
extern osSemaphoreId semVcomTxReadyHandle;
#define RX_PIPE_NUM 1
#define RX_PIPE_NUM 0
void iface_nordic_claim_resources(void)
{
@ -45,16 +46,18 @@ static uint8_t rx_buffer[32];
static void NrfIrqHandler(void *arg)
{
LL_EXTI_ClearFlag_0_31(LL_EXTI_LINES[NRF_EXTI_LINENUM]);
dbg_nrf("[EXTI] ---");
uint8_t pipenum;
uint8_t count = NRF_ReceivePacket(rx_buffer, &pipenum);
if (count > 0) {
dbg("NRF RX %d bytes", (int)count);
dbg_nrf("NRF RX %d bytes", (int)count);
rxQuePostMsg(rx_buffer, count);
} else {
dbg("IRQ but no Rx");
}
dbg_nrf("--- end [EXTI]");
}
bool iface_nordic_init(void)
@ -75,10 +78,11 @@ bool iface_nordic_init(void)
LL_SPI_Disable(NRF_SPI);
{
LL_SPI_SetBaudRatePrescaler(NRF_SPI, LL_SPI_BAUDRATEPRESCALER_DIV8);
LL_SPI_SetBaudRatePrescaler(NRF_SPI, LL_SPI_BAUDRATEPRESCALER_DIV32);
//LL_SPI_BAUDRATEPRESCALER_DIV8
LL_SPI_SetClockPolarity(NRF_SPI, LL_SPI_POLARITY_LOW);
LL_SPI_SetClockPhase(NRF_SPI, LL_SPI_PHASE_2EDGE);
LL_SPI_SetClockPhase(NRF_SPI, LL_SPI_PHASE_1EDGE);
LL_SPI_SetTransferDirection(NRF_SPI, LL_SPI_FULL_DUPLEX);
LL_SPI_SetTransferBitOrder(NRF_SPI, LL_SPI_MSB_FIRST);
@ -128,7 +132,8 @@ void iface_nordic_deinit(void)
hw_deinit_pin_rsc(NRF_R_IRQ);
}
#define MAX_RETRY 8
// FIXME
#define MAX_RETRY 5
void iface_nordic_transmit(const uint8_t *buff, uint32_t len)
{
@ -137,11 +142,12 @@ void iface_nordic_transmit(const uint8_t *buff, uint32_t len)
uint8_t chunk = (uint8_t) MIN(32, len);
uint16_t delay = 1;
//hexDump("Tx chunk", buff, chunk);
for (int i = 0; i < MAX_RETRY; i++) {
suc = NRF_SendPacket(RX_PIPE_NUM, buff, chunk); // use the pipe to retrieve the address
if (!suc) {
vTaskDelay(delay);
delay += 5; // longer delay next time
delay *= 2; // longer delay next time
} else {
break;
}
@ -156,7 +162,7 @@ void iface_nordic_transmit(const uint8_t *buff, uint32_t len)
}
if (suc) {
dbg("+ NRF Tx OK!");
dbg_nrf("+ NRF Tx OK!");
} else {
dbg("- NRF sending failed");
}

9
comm/interfaces.c
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@ -16,6 +16,15 @@
#include "iface_usb.h"
#include "iface_nordic.h"
const char * COMPORT_NAMES[] = {
"NONE",
"USB",
"UART",
"NRF",
"LORA",
};
enum ComportSelection gActiveComport = COMPORT_USB; // start with USB so the handlers work correctly initially
static uint32_t last_switch_time = 0; // started with USB

2
comm/interfaces.h
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@ -15,6 +15,8 @@ enum ComportSelection {
COMPORT_LORA = 4,
};
extern const char * COMPORT_NAMES[];
/**
* The currently active communication port
*/

3
comm/messages.c
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@ -11,6 +11,7 @@
#include "framework/system_settings.h"
#include "utils/malloc_safe.h"
#include "platform/status_led.h"
#include "interfaces.h"
static TinyFrame tf_;
TinyFrame *comm = &tf_;
@ -23,7 +24,7 @@ TinyFrame *comm = &tf_;
static TF_Result lst_ping(TinyFrame *tf, TF_Msg *msg)
{
com_respond_snprintf(msg->frame_id, MSG_SUCCESS,
"GEX v%s on %s", GEX_VERSION, GEX_PLATFORM);
"GEX v%s on %s (%s)", GEX_VERSION, GEX_PLATFORM, COMPORT_NAMES[gActiveComport]);
return TF_STAY;
}

144
comm/nrf.c
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@ -53,13 +53,17 @@ do { \
#define _delay_us(n) __asm_loop((n)*8)
static inline void CE(bool level) {
__asm_loop(1);
if (level) LL_GPIO_SetOutputPin(NRF_CE_GPIO_Port, NRF_CE_Pin);
else LL_GPIO_ResetOutputPin(NRF_CE_GPIO_Port, NRF_CE_Pin);
__asm_loop(1);
}
static inline void NSS(bool level) {
__asm_loop(1);
if (level) LL_GPIO_SetOutputPin(NRF_NSS_GPIO_Port, NRF_NSS_Pin);
else LL_GPIO_ResetOutputPin(NRF_NSS_GPIO_Port, NRF_NSS_Pin);
__asm_loop(1);
}
static uint8_t spi(uint8_t tx) {
@ -136,9 +140,6 @@ static uint8_t spi(uint8_t tx) {
RD_CONFIG_EN_CRC | \
RD_CONFIG_CRCO)
#define CEHIGH CE(1)
#define CELOW CE(0)
static inline uint8_t CS(uint8_t hl)
{
if (hl == 1) {
@ -166,7 +167,21 @@ static uint8_t NRF_WriteRegister(uint8_t reg, uint8_t value)
status = spi(CMD_WRITE_REG | reg);
spi(value);
}
dbg("Wr[0x%02x] := 0x%02x", (int)reg, (int) value);
dbg_nrf("Wr[0x%02x] := 0x%02x", (int)reg, (int) value);
uint8_t reg_val = 0;
CHIPSELECT {
spi(CMD_READ_REG | reg);
reg_val = spi(0);
}
dbg_nrf(" verify 0x%02x", (int)reg_val);
if (reg_val != value)
dbg_nrf(" !!!");
else
dbg_nrf(" OK");
return status;
}
@ -177,7 +192,7 @@ static uint8_t NRF_ReadRegister(uint8_t reg)
spi(CMD_READ_REG | reg);
reg_val = spi(0);
}
dbg("Rd[0x%02x] = 0x%02x", (int)reg, (int) reg_val);
dbg_nrf("Rd[0x%02x] = 0x%02x", (int)reg, (int) reg_val);
return reg_val;
}
@ -218,12 +233,17 @@ void NRF_SetBaseAddress(const uint8_t *Bytes4)
{
memcpy(nrf_base_address, Bytes4, 4);
nrf_base_address[4] = 0;
// write it to the two full-width address registers
NRF_WriteBuffer(RG_RX_ADDR_P0, nrf_base_address, 5);
nrf_base_address[4] = 1;// to be different
NRF_WriteBuffer(RG_RX_ADDR_P1, nrf_base_address, 5);
}
void NRF_SetRxAddress(uint8_t pipenum, uint8_t AddrByte)
{
if (pipenum > 5) {
dbg("!! bad pipe %d", pipenum);
dbg_nrf("!! bad pipe %d", pipenum);
return;
}
@ -231,13 +251,13 @@ void NRF_SetRxAddress(uint8_t pipenum, uint8_t AddrByte)
nrf_pipe_addr[pipenum] = AddrByte;
dbg("Set Rx addr (pipe %d) = 0x%02x", (int)pipenum, AddrByte);
dbg_nrf("Set Rx addr (pipe %d) = 0x%02x", (int)pipenum, AddrByte);
if (pipenum == 0) {
dbg("W ADDR_PA0: %02X-%02X-%02X-%02X-%02X", nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
dbg_nrf("W ADDR_PA0: %02X-%02X-%02X-%02X-%02X", nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
NRF_WriteBuffer(RG_RX_ADDR_P0, nrf_base_address, 5);
}
else if (pipenum == 1) {
dbg("W ADDR_PA1: %02X-%02X-%02X-%02X-%02X", nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
dbg_nrf("W ADDR_PA1: %02X-%02X-%02X-%02X-%02X", nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
NRF_WriteBuffer(RG_RX_ADDR_P1, nrf_base_address, 5);
}
else {
@ -275,6 +295,7 @@ uint8_t NRF_Addr2PipeNum(uint8_t addr)
void NRF_EnablePipe(uint8_t pipenum)
{
dbg_nrf("Enable pipe num %d", (int)pipenum);
uint8_t enabled = NRF_ReadRegister(RG_EN_RXADDR);
enabled |= 1 << pipenum;
NRF_WriteRegister(RG_EN_RXADDR, enabled);
@ -295,34 +316,39 @@ static void NRF_SetTxAddress(uint8_t SendTo)
{
nrf_base_address[4] = SendTo;
dbg("W Tx_ADDR + Rx0: %02X-%02X-%02X-%02X-%02X", nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
dbg_nrf("W Tx_ADDR + Rx0: %02X-%02X-%02X-%02X-%02X",
nrf_base_address[0], nrf_base_address[1], nrf_base_address[2], nrf_base_address[3], nrf_base_address[4]);
NRF_WriteBuffer(RG_TX_ADDR, nrf_base_address, 5);
NRF_WriteBuffer(RG_RX_ADDR_P0, nrf_base_address, 5); // the ACK will come to pipe 0
}
void NRF_PowerDown(void)
{
dbg("PDn");
CELOW;
dbg_nrf("PDn");
CE(0);
NRF_WriteRegister(RG_CONFIG, ModeBits);
}
void NRF_ModeTX(void)
{
dbg("Tx Mode");
dbg_nrf("Tx Mode");
CELOW;
CE(0);
uint8_t m = NRF_ReadRegister(RG_CONFIG);
NRF_WriteRegister(RG_CONFIG, ModeBits | RD_CONFIG_PWR_UP);
if ((m & RD_CONFIG_PWR_UP) == 0) LL_mDelay(5);
if ((m & RD_CONFIG_PWR_UP) == 0) {
// switching on
LL_mDelay(5);
}
}
void NRF_ModeRX(void)
{
dbg("Rx Mode");
dbg_nrf("Rx Mode");
NRF_WriteRegister(RG_CONFIG, ModeBits | RD_CONFIG_PWR_UP | RD_CONFIG_PRIM_RX);
NRF_SetRxAddress(0, nrf_pipe_addr[0]); // set the P0 address - it was changed during Rx for ACK reception
CEHIGH;
CE(1);
//if ((m&2)==0) LL_mDelay()(5); You don't need to wait. Just nothing will come for 5ms or more
}
@ -360,7 +386,9 @@ uint8_t NRF_ReceivePacket(uint8_t *Packet, uint8_t *PipeNum)
uint8_t pw = 0, status;
if (!NRF_IsRxPacket()) return 0;
CELOW;
const uint8_t orig_conf = NRF_ReadRegister(RG_CONFIG);
CE(0); // quit Rx mode - go idle
CHIPSELECT {
status = spi(CMD_RD_RX_PL_WIDTH);
pw = spi(0);
@ -370,19 +398,25 @@ uint8_t NRF_ReceivePacket(uint8_t *Packet, uint8_t *PipeNum)
CHIPSELECT {
spi(CMD_FLUSH_RX);
}
NRF_WriteRegister(RG_STATUS, RD_STATUS_RX_DR);
return 0;
pw = 0;
} else {
// Read the reception pipe number
*PipeNum = ((status & RD_STATUS_RX_PNO) >> 1);
CHIPSELECT {
spi(CMD_RD_RX_PLD);
for (uint8_t i = 0; i < pw; i++) Packet[i] = spi(0);
}
}
NRF_WriteRegister(RG_STATUS, RD_STATUS_RX_DR); // Clear the RX_DR interrupt
// Read the reception pipe number
*PipeNum = (status & RD_STATUS_RX_PNO) >> 1;
CHIPSELECT {
spi(CMD_RD_RX_PLD);
for (uint8_t i = 0; i < pw; i++) Packet[i] = spi(0);
if ((orig_conf & RD_CONFIG_PWR_UP) == 0) {
dbg_nrf("going back PwrDn");
NRF_PowerDown();
}
else if ((orig_conf & RD_CONFIG_PRIM_RX) == RD_CONFIG_PRIM_RX) {
dbg_nrf("going back PwrUp+Rx");
NRF_ModeRX();
}
NRF_WriteRegister(RG_STATUS, RD_STATUS_RX_DR); // Clear the RX_DR interrupt
CEHIGH;
return pw;
}
@ -395,14 +429,16 @@ bool NRF_IsRxPacket(void)
bool NRF_SendPacket(uint8_t PipeNum, const uint8_t *Packet, uint8_t Length)
{
if (!nrf_pipe_enabled[PipeNum]) {
dbg("!! Pipe %d not enabled", PipeNum);
dbg_nrf("!! Pipe %d not enabled", PipeNum);
return 0;
}
dbg_nrf("Will tx to addr %02x", nrf_pipe_addr[PipeNum]);
const uint8_t orig_conf = NRF_ReadRegister(RG_CONFIG);
CELOW;
CE(0);
NRF_ModeTX(); // Make sure in TX mode
NRF_SetTxAddress(nrf_pipe_addr[PipeNum]);
NRF_SetTxAddress(nrf_pipe_addr[PipeNum]); // this sets the Tx addr and also pipe 0 addr for ACK
CHIPSELECT {
spi(CMD_FLUSH_TX);
@ -413,58 +449,56 @@ bool NRF_SendPacket(uint8_t PipeNum, const uint8_t *Packet, uint8_t Length)
for (uint8_t i = 0; i < Length; i++) spi(Packet[i]);
};
CEHIGH;
_delay_us(15); // At least 10 us
CELOW;
// CE pulse
CE(1);
_delay_us(20); // At least 10 us
CE(0);
uint8_t st = 0;
while ((st & (RD_STATUS_MAX_RT|RD_STATUS_TX_DS)) == 0) {
st = NRF_ReadStatus(); // Packet acked or timed out
}
dbg("Send status: MAX_RT %d, SENT %d", (st&RD_STATUS_MAX_RT) != 0, (st&RD_STATUS_TX_DS) != 0);
dbg_nrf("Send status: 0x%02x - MAX_RT %d, SENT %d", (int)st,
(st&RD_STATUS_MAX_RT) != 0, (st&RD_STATUS_TX_DS) != 0);
NRF_WriteRegister(RG_STATUS, st & (RD_STATUS_MAX_RT|RD_STATUS_TX_DS)); // Clear the bit
if ((orig_conf & RD_CONFIG_PWR_UP) == 0) {
dbg("going back PwrDn");
dbg_nrf("going back PwrDn");
NRF_PowerDown();
}
else if ((orig_conf & RD_CONFIG_PRIM_RX) == RD_CONFIG_PRIM_RX) {
dbg("going back PwrUp+Rx");
dbg_nrf("going back PwrUp+Rx");
NRF_ModeRX();
}
return 0 != (st & RD_STATUS_TX_DS); // success
}
void NRF_Reset(void)
void NRF_Init(uint8_t pSpeed)
{
// Set the required output pins
NSS(1);
CELOW;
NRF_PowerDown();
CE(0);
NRF_WriteRegister(RG_EN_RXADDR, 0); // disable all pipes
LL_mDelay(200);
for (int i = 0; i < 6; i++) {
nrf_pipe_addr[i] = 0;
nrf_pipe_enabled[i] = 0;
}
}
void NRF_Init(uint8_t pSpeed)
{
// Set the required output pins
NSS(1);
CELOW;
LL_mDelay(200);
// clear flags etc
NRF_PowerDown();
CHIPSELECT { spi(CMD_FLUSH_RX); }
CHIPSELECT { spi(CMD_FLUSH_TX); }
NRF_WriteRegister(RG_STATUS, 0x70);
NRF_WriteRegister(RG_CONFIG, ModeBits);
NRF_WriteRegister(RG_SETUP_AW, 0b11); // 5 byte addresses
// default
// NRF_EnablePipe(0);
NRF_WriteRegister(RG_EN_RXADDR, 0x01); // disable all, enable pipe 0 - this is required for shockburst, despite not being specified in the DS
NRF_WriteRegister(RG_SETUP_RETR, 0x18); // 8 retries
NRF_WriteRegister(RG_RF_CH, 2); // channel 2 NO HIGHER THAN 83 in USA!
@ -474,9 +508,7 @@ void NRF_Init(uint8_t pSpeed)
NRF_WriteRegister(RG_DYNPD, 0b111111); // Dynamic packet length
NRF_WriteRegister(RG_FEATURE, 0b100); // Enable dynamic payload, and no payload in the ack.
for (int i = 0; i < 6; i++) {
NRF_WriteRegister(RG_RX_PW_P0+i, 32); // Receive 32 byte packets - XXX this is probably not needed with dynamic length
}
//NRFModePowerDown(); // Already in power down mode, dummy
// for (int i = 0; i < 6; i++) {
// NRF_WriteRegister(RG_RX_PW_P0+i, 32); // Receive 32 byte packets - XXX this is probably not needed with dynamic length
// }
}

8
comm/nrf.h
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@ -23,6 +23,9 @@
#include "resources.h"
#include "nrf_pins.h"
#define dbg_nrf(...) do{}while(0)
//#define dbg_nrf(...) dbg(##__VA_ARGS__)
// Initialize SPI and the Nordic
/**
@ -103,11 +106,6 @@ uint8_t NRF_PipeNum2Addr(uint8_t pipe_num);
*/
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)
*

2
gex.mk
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@ -95,7 +95,7 @@ GEX_CDEFS = $(GEX_CDEFS_BASE) \
-DDEBUG_VFS=0 \
-DDEBUG_FLASH_WRITE=0 \
-DVERBOSE_HARDFAULT=1 \
-DUSE_STACK_MONITOR=1 \
-DUSE_STACK_MONITOR=0 \
-DUSE_DEBUG_UART=1 \
-DDEBUG_MALLOC=0 \
-DDEBUG_RSC=0

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