基于HAL库，MX25L12835FZ2I-10G SPI FLASH读取指定地址、长度数据

xhzheng · 2016-11-09T00:30:05+00:00

本帖最后由 xhzheng 于 2016-11-9 08:30 编辑 ! m. ~; j& y% N3 a/ c1 q8 f / p8 g8 [" q$ o! B+ r- H( B- _7 [# D& w! o' F7 v' }2 b /*/ e7 z( A, L1 t- A/ l Send Data:0x03,AddrH,AddrM,AddrL,Length; U; ^' |$ h# d# R*/ % P/ w3 M* H# M# C" R0 avoid MX25L_Flash_ReadData(uint8_t *pBuffer, uint32_t ReadAddr, uint16_t NumByteToRead) 2 P5 E/ _: Y: U- p) ?! E- L# p{* [9 a) ?+ u7 @2 e& ~/ @3 Q uint8_t data=MX25L_ReadData; 7 E( X& o' i! b$ x( k5 g5 t HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8,GPIO_PIN_RESET);8 U. a% K5 y% t- N/ n HAL_SPI_Transmit(&hspi6,&data,sizeof(data),1000);: D1 b/ j1 J! M6 w , I) N3 ^# C/ v3 ?7 z0 r ReadAddr=ReadAddr*4096;, _! e! P) o( y uint8_t Address=(ReadAddr>>16); & G1 T+ O: T0 l2 K% D/ G HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000);7 {" q) s4 I9 P/ G* ^- N" E/ {7 L Address=(ReadAddr>>8); Z4 X G" n: g4 q HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000);; t2 u7 K3 k0 P5 [+ S Address=ReadAddr; ) b* `: o7 B8 v0 Q$ J0 ]8 i b# t HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000); 1 I( P* l5 J$ O) k! G( A/ h ' @& ]) i( V( F8 A/ C9 ?/ H p; x HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8,GPIO_PIN_SET);2 a% h$ n6 h% z. G. K6 z, e, i }6 @) }2 `, [" q/ i8 ? 8 r+ m' s, D& |+ X+ `& L

基于HAL库，MX25L12835FZ2I-10G SPI FLASH读取指定地址、长度数据

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xhzheng 发布时间：2016-11-9 08:30

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本帖最后由 xhzheng 于 2016-11-9 08:30 编辑

/*
Send Data:0x03,AddrH,AddrM,AddrL,Length;
*/
void MX25L_Flash_ReadData(uint8_t *pBuffer, uint32_t ReadAddr, uint16_t NumByteToRead)
{
      uint8_t data=MX25L_ReadData;
      HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8,GPIO_PIN_RESET);
      HAL_SPI_Transmit(&hspi6,&data,sizeof(data),1000);

      ReadAddr=ReadAddr*4096;
      uint8_t Address=(ReadAddr>>16);
      HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000);
      Address=(ReadAddr>>8);
      HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000);
      Address=ReadAddr;
      HAL_SPI_Transmit(&hspi6,&Address,sizeof(Address),1000);

      HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8,GPIO_PIN_SET);
}