update

app/MDK-ARM/app.uvguix.29643

@@ -1883,9 +1883,9 @@
       </Doc>
       <Doc>
         <Name>..\..\usersrc\usermain.c</Name>
-        <ColumnNumber>20</ColumnNumber>
-        <TopLine>72</TopLine>
-        <CurrentLine>88</CurrentLine>
+        <ColumnNumber>19</ColumnNumber>
+        <TopLine>1</TopLine>
+        <CurrentLine>1</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>

usersrc/usermain.c

@@ -18,21 +18,24 @@
 
 #define Dummy_Byte 0xFF // 读取时MISO发送的数据，可以为任意数据
 
-#define delay_us 5
+#define spi_delay_us 5
+#define spi_table_type_size 50
 
-// 50us
-//
-// CS    11000
-// SCK
-// MOSI
-//
-//
-
-// uint8_t table[3][52] = {
-//     {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1},
-//     {1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
-//     {1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1},
-// };
+typedef enum
+{
+  SPI_SEL_TYPE = 0,
+  SPI_SCK_TYPE,
+  SPI_MOSI_TYPE,
+  SPI_MISO_TYPE,
+  SPI_TYPE_NUMBER,
+} SPI_TYPE;
+
+uint8_t table[SPI_TYPE_NUMBER][spi_table_type_size] = {
+    {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1}, // sel
+    {1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, // sck
+    {1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1}, // mosi
+    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, // miso
+};
 
 void sys_delay_us(uint32_t us)
 {
@@ -45,83 +48,17 @@ void sys_delay_us(uint32_t us)
   }
   HAL_TIM_Base_Stop(&htim7);
 }
-// void dotable()
-// {
-//   for (size_t i = 0; i < 52; i++)
-//   {
 
-//     table[0][i] ? SPI_CS_1() : SPI_CS_0();
-//     table[1][i] ? SPI_SCK_1() : SPI_SCK_0();
-//     table[2][i] ? SPI_MOSI_1() : SPI_MOSI_0();
-//     sys_delay_us(5);
-//   }
-// }
-
-// SPI可以同时读取和写入数据，因此一个函数即可满足要求
-uint8_t SPI_ReadWriteByte(uint8_t txData)
+void dotable()
 {
-  uint8_t i;
-  uint8_t rxData = 0;
-
-  SPI_CS_0();
-  sys_delay_us(delay_us); // symbol tsw
-  SPI_SCK_0();
-  sys_delay_us(delay_us + 3);
-
-  for (i = 0; i < 8; i++)
+  for (size_t i = 0; i < spi_table_type_size; i++)
   {
-    SPI_SCK_1();
-    sys_delay_us(1);
-    // 数据发送
-    if (txData & 0x80)
-    {
-      SPI_MOSI_1();
-    }
-    else
-    {
-      SPI_MOSI_0();
-    }
-    txData <<= 1;
-    sys_delay_us(delay_us);
-
-    SPI_SCK_0();
-    sys_delay_us(delay_us);
-    // 数据接收
-    // rxData <<= 1;
-    // if (SPI_READ_MISO())
-    // {
-    //   rxData |= 0x01;
-    // }
-    sys_delay_us(delay_us);
-  }
 
-  for (i = 0; i < 8; i++)
-  {
-    SPI_SCK_1();
-    sys_delay_us(delay_us);
-    sys_delay_us(delay_us);
-    SPI_SCK_0();
-    sys_delay_us(delay_us);
-    sys_delay_us(delay_us);
+    table[0][i] ? SPI_CS_1() : SPI_CS_0();
+    table[1][i] ? SPI_SCK_1() : SPI_SCK_0();
+    table[2][i] ? SPI_MOSI_1() : SPI_MOSI_0();
+    sys_delay_us(spi_delay_us);
   }
-
-  SPI_SCK_1();
-  SPI_MOSI_1();           // 数据线空闲高电平
-  sys_delay_us(delay_us); // symbol thi
-  sys_delay_us(delay_us); // symbol tsw
-  SPI_CS_1();
-
-  return rxData;
-}
-
-uint8_t SPI_ReadByte(void)
-{
-  return SPI_ReadWriteByte(Dummy_Byte);
-}
-
-void SPI_WriteByte(uint8_t txData)
-{
-  (void)SPI_ReadWriteByte(txData);
 }
 
 void user_main()
@@ -134,8 +71,7 @@ void user_main()
 
   while (1)
   {
-    // dotable();
-    SPI_ReadWriteByte(0x86);
+    dotable();
     // HAL_UART_Transmit(&huart1, &temp, 1, 100);
     HAL_Delay(10);
   }