141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
// Copyright 2021 IOsetting <iosetting(at)outlook.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/***
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* Demo: XL2400 / WL2400 SOP8 2.4GHz RF
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*
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* Pin connection:
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* P35(SS, Ignored) => CSN
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* P34(MOSI) => DATA
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* P32(SPCLK) => SCK
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* VDD1 => 3.3V
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* XC1,XC2 => 16MHz OSC
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* GND => GND
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*
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* test-board: Minimum System; test-MCU: STC8H1K08,STC8H3K64S2
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*/
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#include "fw_hal.h"
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#include "xl2400.h"
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// 0:TX, 1:RX
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#define XL2400_MODE 1
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__CODE uint8_t TX_ADDRESS[5] = {0x11,0x33,0x33,0x33,0x11};
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__CODE uint8_t RX_ADDRESS[5] = {0x33,0x55,0x33,0x44,0x33};
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extern uint8_t *xbuf_data;
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uint8_t XL2400_PrintStatus(void);
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void SPI_Init(void)
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{
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// SPI frequency
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SPI_SetClockPrescaler(SPI_ClockPreScaler_16);
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// Clock is low when idle
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SPI_SetClockPolarity(HAL_State_OFF);
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// Data transfer is driven by lower SS pin
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SPI_SetClockPhase(SPI_ClockPhase_LeadingEdge);
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// MSB first
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SPI_SetDataOrder(SPI_DataOrder_MSB);
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// Define the output pins
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SPI_SetPort(SPI_AlterPort_P35_P34_P33_P32);
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// Ignore SS pin, use MSTR to swith between master/slave mode
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SPI_IgnoreSlaveSelect(HAL_State_ON);
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// Master mode
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SPI_SetMasterMode(HAL_State_ON);
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// Start SPI
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SPI_SetEnabled(HAL_State_ON);
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}
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void GPIO_Init(void)
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{
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// Configure GPIO pins before SPI and device
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// MISO(P33) MOSI(P34)
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GPIO_P3_SetMode(GPIO_Pin_4, GPIO_Mode_InOut_QBD);
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// SCLK(P32) CSN(P35) CE(P37)
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GPIO_P3_SetMode(GPIO_Pin_2|GPIO_Pin_5|GPIO_Pin_7, GPIO_Mode_Output_PP);
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}
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int main(void)
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{
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__CODE uint8_t tmp[] = {
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0x1F, 0x80, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
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0x21, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x28,
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0x31, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x38,
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0x41, 0x12, 0x13, 0x14, 0x15, 0x16, 0x37, 0x48};
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uint8_t i, j, status;
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SYS_SetClock();
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GPIO_Init();
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// UART1, baud 115200, baud source Timer1, 1T mode, no interrupt
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UART1_Config8bitUart(UART1_BaudSource_Timer1, HAL_State_ON, 115200);
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UART1_TxString("UART Initialized\r\n");
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SPI_Init();
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UART1_TxString("SPI Initialized\r\n");
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while (XL2400_SPI_Test() == HAL_ERROR)
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{
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UART1_TxString(" - check failed\r\n");
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SYS_Delay(1000);
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}
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UART1_TxString(" - check passed\r\n");
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XL2400_Init();
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XL2400_SetPower(XL2400_RF_0DB);
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if (XL2400_MODE == 0)
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{
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// TX
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XL2400_SetChannel(78);
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XL2400_SetTxAddress(RX_ADDRESS);
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XL2400_SetRxAddress(TX_ADDRESS);
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XL2400_SetTxMode();
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UART1_TxString("XL2400 TX Initialized\r\n");
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while(1)
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{
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//XL2400_PrintStatus();
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XL2400_Tx(tmp, XL2400_PLOAD_WIDTH);
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SYS_Delay(100);
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}
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}
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else
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{
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// RX
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XL2400_SetChannel(77);
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XL2400_SetTxAddress(RX_ADDRESS);
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XL2400_SetRxAddress(TX_ADDRESS);
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UART1_TxString("XL2400 RX Initialized\r\n");
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while(1)
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{
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XL2400_WakeUp();
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XL2400_SetRxMode();
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while (--j)
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{
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status = XL2400_Rx();
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if (status & RX_DR_FLAG)
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{
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UART1_TxString(" <\r\n");
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}
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}
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//XL2400_PrintStatus();
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XL2400_Sleep();
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SYS_Delay(10);
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}
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}
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}
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