ltc6994数据手册

1. 什么是伺服电压(Servo Voltage)

就是可以实时稳定的电压

2. LTC2326-16涓巗tm32閫氳繃spi閫氳鏃跺備綍鍚鍔ㄤ紶杈撴暟鎹锛

瑕佸惎鍔↙TC2326-16涓嶴TM32涔嬮棿鐨凷PI閫氫俊锛屾偍闇瑕佹寜鐓т互涓嬫ラよ繘琛屾搷浣滐細

1. 纭淇滾TC2326-16鍜孲TM32涔嬮棿鐨凷PI鐗╃悊杩炴帴姝ｇ‘銆傜‘淇漇PI鏃堕挓锛圫CK锛夊拰鏁版嵁锛圡OSI鍜孧ISO锛夌嚎姝ｇ‘杩炴帴銆

2. 閰嶇疆STM32鐨凷PI鎺у埗鍣ㄣ傛偍闇瑕佽剧疆SPI妯″紡銆佹暟鎹澶у皬銆佷紶杈撻『搴忕瓑鍙傛暟銆傝繖浜涘弬鏁扮殑鍏蜂綋璁剧疆鍙栧喅浜庢偍鐨勫簲鐢ㄩ渶姹傘備互涓嬫槸涓涓绀轰緥浠ｇ爜鐗囨碉紝鐢ㄤ簬閰嶇疆SPI鎺у埗鍣锛

```c
// 璁剧疆SPI鎺у埗鍣ㄦā寮
SPI_InitStruct.Mode = SPI_MODE_MASTER; // 璁剧疆涓轰富妯″紡
SPI_InitStruct.Direction = SPI_DIRECTION_2LINES; // 璁剧疆涓哄弻绾垮叏鍙屽伐妯″紡
SPI_InitStruct.DataSize = SPI_DATASIZE_16BIT; // 璁剧疆浼犺緭鏁版嵁澶у皬涓16浣
SPI_InitStruct.CLKPolarity = SPI_POLARITY_LOW; // 鏃堕挓鏋佹т负浣庣數骞虫椂绌洪棽
SPI_InitStruct.CLKPhase = SPI_PHASE_1EDGE; // 鏃堕挓鐩镐綅涓虹涓杈规部
SPI_InitStruct.NSS = SPI_NSS_SOFT; // 浣跨敤杞浠舵帶鍒剁墖閫変俊鍙
SPI_InitStruct.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_DIV2; // 璁剧疆鏃堕挓鍒嗛戠郴鏁颁负2
SPI_InitStruct.CRCCalculation = SPI_CRCCALCULATION_DISABLE; // 绂佺敤鏍￠獙鍜岃＄畻
SPI_InitStruct.CRCPolynomial = 7; // 鏍￠獙鍜屽氶」寮忔湭浣跨敤
HAL_SPI_Init(&hspi1, &SPI_InitStruct); // 鍒濆嬪寲SPI鎺у埗鍣
```

3. 閰嶇疆LTC2326-16鐨勫伐浣滄ā寮忓拰閲囨牱閫熺巼銆侺TC2326-16鏄涓涓16浣岮DC鑺鐗囷紝鍏锋湁澶氱嶉厤缃閫夐」銆傛偍闇瑕佹牴鎹鎮ㄧ殑搴旂敤闇姹傝剧疆瀹冪殑瀵勫瓨鍣ㄣ備互涓嬫槸涓涓绀轰緥浠ｇ爜鐗囨碉紝鐢ㄤ簬閰嶇疆LTC2326-16鐨勬煇浜涘瘎瀛樺櫒锛

```c
// 璁剧疆LTC2326-16鐨勫伐浣滄ā寮忓拰閲囨牱閫熺巼
unsigned char configRegister = 0x00; // Configuration register鍦板潃
unsigned char configValue = 0xXYZ; // 閰嶇疆鍊
HAL_GPIO_WritePin(LTC2326_CS_GPIO_Port, LTC2326_CS_Pin, GPIO_PIN_RESET); // 鐗囬変俊鍙锋媺浣
HAL_SPI_Transmit(&hspi1, &configRegister, 1, HAL_MAX_DELAY); // 鍙戦侀厤缃瀵勫瓨鍣ㄥ湴鍧
HAL_SPI_Transmit(&hspi1, &configValue, 1, HAL_MAX_DELAY); // 鍙戦侀厤缃鍊
HAL_GPIO_WritePin(LTC2326_CS_GPIO_Port, LTC2326_CS_Pin, GPIO_PIN_SET); // 鐗囬変俊鍙锋媺楂
```

鍦ㄨ繖涓绀轰緥涓锛屾垜浠鍋囪炬偍宸茬粡灏哃TC2326-16鐨勭墖閫変俊鍙疯繛鎺ュ埌STM32鐨勬煇涓狦PIO寮曡剼锛堝侺TC2326_CS_Pin锛夛紝骞朵笖鎮ㄥ凡缁忓湪STM32鐨勪唬鐮佷腑杩涜屼簡鐩稿簲鐨勯厤缃銆

4. 鍙戣捣鏁版嵁浼犺緭銆備竴鏃︽偍瀹屾垚浜哠PI鎺у埗鍣ㄥ拰LTC2326-16鐨勯厤缃锛屾偍灏卞彲浠ュ紑濮嬪惎鍔ㄦ暟鎹浼犺緭浜嗐備互涓嬫槸涓涓绀轰緥浠ｇ爜鐗囨碉紝鐢ㄤ簬浠嶭TC2326-16璇诲彇ADC鏁版嵁锛

```c
unsigned char readRegister = 0x20; // Read register鍦板潃
unsigned char data[2]; // 鐢ㄤ簬鎺ユ敹鏁版嵁鐨勭紦鍐插尯

HAL_GPIO_WritePin(LTC2326_CS_GPIO_Port, LTC2326_CS_Pin, GPIO_PIN_RESET); // 鐗囬変俊鍙锋媺浣
HAL_SPI_Transmit(&hspi1, &readRegister, 1, HAL_MAX_DELAY); // 鍙戦佽诲瘎瀛樺櫒鍦板潃
HAL_SPI_Receive(&hspi1, data, 2, HAL_MAX_DELAY); // 鎺ユ敹2涓瀛楄妭鐨勬暟鎹
HAL_GPIO_WritePin(LTC2326_CS_GPIO_Port, LTC2326_CS_Pin, GPIO_PIN_SET); // 鐗囬変俊鍙锋媺楂

unsigned int adcValue = (data[0] << 8) | data[1]; // 灏嗘帴鏀跺埌鐨勬暟鎹鍚堝苟涓轰竴涓16浣嶇殑ADC鍊
```

鍦ㄨ繖涓绀轰緥涓锛屾垜浠浣跨敤readRegister鍦板潃璇诲彇LTC2326-16鐨凙DC鏁版嵁锛屽苟灏嗗叾瀛樺偍鍦╠ata缂撳啿鍖轰腑銆傜劧鍚庯紝鎴戜滑灏嗘帴鏀跺埌鐨勬暟鎹鍚堝苟涓轰竴涓16浣嶇殑ADC鍊笺

璇锋敞鎰忥紝涓婅堪浠ｇ爜鐗囨典粎涓虹ず渚嬶紝鍏蜂綋鐨勯厤缃鍜屾搷浣滃彲鑳戒細鍥犳偍鐨勫簲鐢ㄩ渶姹傝屾湁鎵涓嶅悓銆傛偍闇瑕佹牴鎹甃TC2326-16鍜孲TM32鐨勬暟鎹鎵嬪唽鍜岀‖浠舵枃妗ｈ繘琛岃繘涓姝ョ殑閰嶇疆鍜屼娇鐢ㄣ