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#ifndef __CONFIG_H__ | ||
#define __CONFIG_H__ | ||
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#include <mcs51/8051.h> | ||
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// spi pins | ||
#define SPI_CS P1_1 | ||
#define SPI_SCK P1_2 | ||
#define SPI_MOSI P1_3 | ||
#define SPI_MISO P1_4 | ||
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// nRF24L01 pins | ||
#define NRF24_CE P1_0 | ||
#define NRF24_IRQ P1_5 | ||
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#define NRF24_RECEIVER | ||
// #define NRF24_TRANSMITTER | ||
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#endif |
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#include "spi.h" | ||
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uint8_t spi_transmit(uint8_t data) | ||
{ | ||
uint8_t i; | ||
for(i=0; i<8; i++) | ||
{ | ||
SPI_MOSI = data & 0x80; | ||
data <<= 1; | ||
SPI_SCK = 1; | ||
data |= SPI_MISO; | ||
SPI_SCK = 0; | ||
} | ||
return data; | ||
} |
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#ifndef __SPI_H__ | ||
#define __SPI_H__ | ||
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#include "config.h" | ||
#include <stdint.h> | ||
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/** | ||
* 进行一次SPI传输 | ||
* | ||
* @param data 发送的数据 | ||
* @return uint8_t 接收到的数据 | ||
*/ | ||
uint8_t spi_transmit(uint8_t data); | ||
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#endif // __SPI_H__ |
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8051-examples | ||
8051单片机示例 | ||
==== | ||
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examples for 8051 microcontroller. | ||
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51单片机示例 | ||
==== | ||
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<details> | ||
<summary>基础</summary> | ||
<p> | ||
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- [Blink](./Basic/Blink) | ||
- [Timer](./Basic/Timer) | ||
</p> | ||
</details> | ||
<details> | ||
<summary>通讯总线</summary> | ||
<p> | ||
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- [SPI](./Bus/SPI) | ||
- [IIC](./Bus/IIC) | ||
</p> | ||
</details> | ||
<details> | ||
<summary>常用模块</summary> | ||
<p> | ||
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- [AT24Cxx](./Modules/AT24Cxx) | ||
- [DHT22](./Modules/DHT22) | ||
- [DS1302](./Modules/DS1302) | ||
- [DS18B20](./Modules/DS18B20) | ||
- [nRF24](./Modules/nRF24) | ||
- [OLED](./Modules/OLED) | ||
- [PCF8563](./Modules/PCF8563) | ||
</p> | ||
</details> |
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