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gex-nrf-dongle
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now it works

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porting
Ondřej Hruška 6 years ago
parent 56191d621a
commit 1715f67c62
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
6 changed files with 86 additions and 50 deletions
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  1. 5
      Inc/main.h
  2. 7
      Inc/nrf.h
  3. 12
      Src/gex_gateway.c
  4. 80
      Src/gpio.c
  5. 25
      Src/main.c
  6. 7
      Src/nrf.c

5
Inc/main.h
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@ -71,6 +71,9 @@
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
extern uint32_t led_tx_countdown;
extern uint32_t led_rx_countdown;
#define DATA_FLASH_TIME 5000
/* Private define ------------------------------------------------------------*/
@ -87,6 +90,8 @@
#define NRF_NSS_GPIO_Port GPIOA
#define RENUM_Pin LL_GPIO_PIN_0
#define RENUM_GPIO_Port GPIOA
#define NRF_RESET_Pin LL_GPIO_PIN_9
#define NRF_RESET_GPIO_Port GPIOB
/* ########################## Assert Selection ############################## */
/**

7
Inc/nrf.h
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@ -6,7 +6,7 @@
#define GEX_NRF_NRF_H
/*
* nordic.h
* nordic.h - adapted from http://barefootelectronics.com/NRF24L01.aspx
*
* Created:12/16/2013 3:36:04 PM
* Author: Tom
@ -21,8 +21,11 @@
#include "main.h"
#define NRF_CHANNEL 76
#define dbg_nrf(...) do{}while(0)
//#define dbg_nrf(...) dbg(##__VA_ARGS__)
//#define dbg_nrf dbg
// Initialize SPI and the Nordic

12
Src/gex_gateway.c
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@ -135,7 +135,6 @@ void handle_txframe_chunk(const uint8_t *buffer, uint16_t size)
}
}
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDTX_Pin);
cmd_state = CMD_STATE_IDLE;
}
}
@ -173,6 +172,7 @@ void gw_handle_usb_out(uint8_t *buffer)
}
LL_GPIO_SetOutputPin(LED_GPIO_Port, LEDTX_Pin);
led_tx_countdown = DATA_FLASH_TIME;
start_slave_cmd(slave_addr, frame_len, cksum);
dbg_nrf("Collecting frame for slave %02x: %d bytes", (int)slave_addr, (int)frame_len);
cmd_state = CMD_STATE_TXMSG;
@ -188,7 +188,7 @@ void gw_handle_usb_out(uint8_t *buffer)
}
}
else if (cmd_state == CMD_STATE_TXMSG) {
LL_GPIO_SetOutputPin(LED_GPIO_Port, LEDTX_Pin);
led_tx_countdown = DATA_FLASH_TIME;
handle_txframe_chunk(buffer, 64);
}
}
@ -276,10 +276,9 @@ void gw_setup_radio(void)
NRF_ModeRX(); // base state is RX
}
void EXTI2_IRQHandler(void)
void EXTI1_IRQHandler(void)
{
LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_2);
LL_GPIO_SetOutputPin(LED_GPIO_Port, LEDRX_Pin);
LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_1);
struct msg_data m;
m.msg_type = MSG_TYPE_DATA;
@ -290,6 +289,9 @@ void EXTI2_IRQHandler(void)
dbg("IRQ but no msg!");
}
else {
LL_GPIO_SetOutputPin(LED_GPIO_Port, LEDRX_Pin);
led_rx_countdown = DATA_FLASH_TIME;
dbg_nrf("Msg RXd from nordic!");
m.dev_addr = NRF_PipeNum2Addr(pipenum);

80
Src/gpio.c
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@ -70,54 +70,62 @@
void MX_GPIO_Init(void)
{
LL_EXTI_InitTypeDef EXTI_InitStruct;
LL_GPIO_InitTypeDef GPIO_InitStruct;
LL_EXTI_InitTypeDef EXTI_InitStruct;
LL_GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
/* GPIO Ports Clock Enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
/**/
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED1_Pin);
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDRX_Pin);
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDTX_Pin);
LL_GPIO_SetOutputPin(RENUM_GPIO_Port, RENUM_Pin);
/**/
/**/
/**/
// LL_GPIO_ResetOutputPin(GPIOA, NRF_CE_Pin|NRF_NSS_Pin);
/**/
GPIO_InitStruct.Pin = LED1_Pin|LEDRX_Pin|LEDTX_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
/**/
GPIO_InitStruct.Pin = NRF_CE_Pin|NRF_NSS_Pin|RENUM_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/**/
GPIO_InitStruct.Pin = LED1_Pin | LEDRX_Pin | LEDTX_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
/**/
GPIO_InitStruct.Pin = NRF_CE_Pin | NRF_NSS_Pin | RENUM_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = NRF_RESET_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(NRF_RESET_GPIO_Port, &GPIO_InitStruct);
#if 1
/**/
LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE1); // IRQ on PA1
/**/
LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE1); // IRQ on PA1
/**/
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_1;
EXTI_InitStruct.LineCommand = ENABLE;
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
LL_EXTI_Init(&EXTI_InitStruct);
/**/
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_1;
EXTI_InitStruct.LineCommand = ENABLE;
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
LL_EXTI_Init(&EXTI_InitStruct);
NVIC_EnableIRQ(EXTI2_IRQn);
NVIC_EnableIRQ(EXTI1_IRQn);
/**/
LL_GPIO_SetPinMode(NRF_IRQ_GPIO_Port, NRF_IRQ_Pin, LL_GPIO_MODE_FLOATING);
/**/
LL_GPIO_SetPinMode(NRF_IRQ_GPIO_Port, NRF_IRQ_Pin, LL_GPIO_MODE_FLOATING);
#endif
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED1_Pin);
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDRX_Pin);
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDTX_Pin);
LL_GPIO_SetOutputPin(RENUM_GPIO_Port, RENUM_Pin);
LL_GPIO_SetOutputPin(NRF_RESET_GPIO_Port, NRF_RESET_Pin);
}
/* USER CODE BEGIN 2 */

25
Src/main.c
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@ -61,6 +61,9 @@
/* USER CODE BEGIN Includes */
uint32_t led_tx_countdown = 0;
uint32_t led_rx_countdown = 0;
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
@ -82,7 +85,7 @@ void SystemClock_Config(void);
/* USER CODE END 0 */
extern void EXTI2_IRQHandler(void);
extern void EXTI1_IRQHandler(void);
/**
* @brief The application entry point.
@ -113,6 +116,7 @@ int main(void)
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
/* Initialize all configured peripherals */
@ -123,6 +127,8 @@ int main(void)
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
// give juice to the nrf module
LL_GPIO_ResetOutputPin(NRF_RESET_GPIO_Port, NRF_RESET_Pin);
/* USER CODE END 2 */
gw_setup_radio();
@ -136,7 +142,7 @@ int main(void)
dbg("Main loop starts.");
/* Infinite loop */
/* USER CODE BEGIN WHILE */
int cnt = 0;
uint32_t cnt = 0;
uint8_t buff[MQ_SLOT_LEN];
while (1) {
@ -149,13 +155,22 @@ int main(void)
cnt = 0;
}
if (led_tx_countdown > 0) {
if (--led_tx_countdown == 0) {
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDTX_Pin);
}
}
if (led_rx_countdown > 0) {
if (--led_rx_countdown == 0) {
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDRX_Pin);
}
}
if (mq_can_read(&usb_inq)) {
if (!usb_tx_busy) {
mq_read(&usb_inq, buff);
CDC_Transmit_FS(buff, MQ_SLOT_LEN);
// blinking - maybe this will work .. not sure
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LEDRX_Pin);
}
}
}

7
Src/nrf.c
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@ -492,6 +492,7 @@ void NRF_Init(uint8_t pSpeed)
NSS(1);
CE(0);
dbg_nrf("Waiting for module start...");
LL_mDelay(200);
for (int i = 0; i < 6; i++) {
@ -499,11 +500,12 @@ void NRF_Init(uint8_t pSpeed)
nrf_pipe_enabled[i] = 0;
}
dbg_nrf("init regs");
// clear flags etc
NRF_PowerDown();
NRF_FlushRx();
NRF_FlushTx();
NRF_WriteRegister(RG_STATUS, 0x70);
NRF_WriteRegister(RG_STATUS, 0x70); // this will fail to verify, that's OK
NRF_WriteRegister(RG_CONFIG, ModeBits);
NRF_WriteRegister(RG_SETUP_AW, 0b11); // 5 byte addresses
@ -511,7 +513,7 @@ void NRF_Init(uint8_t pSpeed)
NRF_WriteRegister(RG_EN_RXADDR, 0x01); // disable all except 1 which we'll assign later
NRF_WriteRegister(RG_SETUP_RETR, 0x18); // 8 retries, 500 ms
NRF_WriteRegister(RG_RF_CH, 76); // channel
NRF_WriteRegister(RG_RF_CH, NRF_CHANNEL); // channel
NRF_WriteRegister(RG_RF_SETUP, pSpeed);
@ -521,4 +523,5 @@ void NRF_Init(uint8_t pSpeed)
// 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
// }
dbg_nrf("nrf init finished");
}

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