UART Soon finish
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parent
e8800d0c58
commit
f979a89e5f
4 changed files with 117 additions and 32 deletions
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@ -3,9 +3,18 @@
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#include "stm32f10x.h"
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typedef struct {
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USART_TypeDef * UART;
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unsigned int baudrate;
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}MyUART_Struct_Typedef;
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void UART_send(char data);
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void UART_init(void);
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void UART_ITHandler(void);
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char UART_read(char data, MyUART_Struct_Typedef * UART);
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void UART_init(MyUART_Struct_Typedef * UART);
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void USART1_IRQHandler(void);
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void USART2_IRQHandler(void);
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void USART3_IRQHandler(void);
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@ -1,15 +1,25 @@
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#include "Driver_UART.h"
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void UART_init(void)
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char received_data1, received_data2, received_data3;
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void UART_init(MyUART_Struct_Typedef * UART)
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{
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if(UART->UART ==USART1)
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RCC->APB2ENR |= RCC_APB2ENR_USART1EN;
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if(UART->UART ==USART2)
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RCC->APB2ENR |= RCC_APB1ENR_USART2EN;
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if(UART->UART ==USART3)
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RCC->APB2ENR |= RCC_APB1ENR_USART3EN;
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RCC->APB2ENR |= RCC_APB2ENR_USART1EN; // Validation horloge USART1
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USART1->CR1 |= USART_CR1_UE; // Activer l'USART
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USART1->CR1 &= ~USART_CR1_M; // Choisir la taille 8bits de donnée
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USART1->CR2 |= USART_CR2_STOP; // 1 seul bit de stop
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USART1->BRR |= 468 << 4; // Fixe le baud rate à 9600bps partie entière
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USART1->BRR |= 75; // Fixe le baud rate à 9600bps partie fractionnaire
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//USART1->BRR = 72000000/9600; // Fixer le Baudrate à 9600
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//USART1->BRR |= 468 << 4; // Fixe le baud rate à 9600bps partie entière
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//USART1->BRR |= 75; // Fixe le baud rate à 9600bps partie fractionnaire
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UART->UART->BRR = 72000000/(UART->baudrate);
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USART1->CR1 |= USART_CR1_TE; // Autoriser la transmission
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USART1->CR1 |= USART_CR1_RE; // Activer la réception
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USART1->CR1 |= USART_CR1_TCIE; // Activer l'interruption de transmission
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@ -18,16 +28,29 @@ void UART_init(void)
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void UART_send(char data)
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{
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while(!(USART1->SR & USART_SR_TXE)){} //Attendre l'autorisation de transmission
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USART1->DR |= data;
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while(!(USART1->SR & USART_SR_TC)){} //Attendre la fin de transmission
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}
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char UART_read(char data, MyUART_Struct_Typedef * UART)
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{
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if(UART->UART == USART1)
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return received_data1;
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else if (UART->UART == USART2)
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return received_data2;
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else if (UART->UART == USART3)
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return received_data3;
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else
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return 0;
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}
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void UART_ITHandler(void)
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void USART1_IRQHandler(void)
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{
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if (USART1->SR & USART_SR_RXNE) // si une donnée a été reçue
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{
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char received_data = USART1->DR; // lire la donnée reçue
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received_data1 = USART1->DR; // lire la donnée reçue
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}
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if (USART1->SR & USART_SR_TC) // si la transmission est terminée
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@ -35,3 +58,29 @@ void UART_ITHandler(void)
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USART1->SR &= ~USART_SR_TC; // effacer le bit de transmission terminée
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}
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}
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void USART2_IRQHandler(void)
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{
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if (USART2->SR & USART_SR_RXNE) // si une donnée a été reçue
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{
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received_data2 = USART2->DR; // lire la donnée reçue
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}
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if (USART2->SR & USART_SR_TC) // si la transmission est terminée
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{
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USART2->SR &= ~USART_SR_TC; // effacer le bit de transmission terminée
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}
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}
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void USART3_IRQHandler(void)
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{
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if (USART3->SR & USART_SR_RXNE) // si une donnée a été reçue
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{
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received_data3 = USART3->DR; // lire la donnée reçue
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}
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if (USART3->SR & USART_SR_TC) // si la transmission est terminée
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{
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USART3->SR &= ~USART_SR_TC; // effacer le bit de transmission terminée
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}
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}
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@ -75,7 +75,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>1</IsCurrentTarget>
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<IsCurrentTarget>0</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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@ -143,24 +143,7 @@
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<Name>-U -O206 -S8 -C0 -P00 -N00("") -D00(00000000) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO7 -FD20000000 -FC1000 -FN1 -FF0STM32F10x_128.FLM -FS08000000 -FL020000 -FP0($$Device:STM32F103RB$Flash\STM32F10x_128.FLM)</Name>
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</SetRegEntry>
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</TargetDriverDllRegistry>
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<Breakpoint>
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>51</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134219346</Address>
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
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<ManyObjects>0</ManyObjects>
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<SizeOfObject>0</SizeOfObject>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>U:\INSA\Microcontrôleur\Projet_Voilier_grp\Voilier\GPIO_Test\Sources\Main.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\GPIO_Test\Sources/Main.c\51</Expression>
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</Bp>
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</Breakpoint>
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<Breakpoint/>
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<Tracepoint>
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<THDelay>0</THDelay>
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</Tracepoint>
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@ -274,7 +257,7 @@
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<OPTFL>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<IsCurrentTarget>0</IsCurrentTarget>
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<IsCurrentTarget>1</IsCurrentTarget>
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</OPTFL>
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<CpuCode>18</CpuCode>
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<DebugOpt>
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@ -347,14 +330,47 @@
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<Name>-U -O206 -S8 -C0 -P00 -N00("") -D00(00000000) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO7 -FD20000000 -FC1000 -FN1 -FF0STM32F10x_128.FLM -FS08000000 -FL020000 -FP0($$Device:STM32F103RB$Flash\STM32F10x_128.FLM)</Name>
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</SetRegEntry>
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</TargetDriverDllRegistry>
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<Breakpoint/>
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<Breakpoint>
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>62</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134218958</Address>
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
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<ManyObjects>0</ManyObjects>
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<SizeOfObject>0</SizeOfObject>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>U:\INSA\Microcontrôleur\Projet_Voilier_grp\Voilier\GPIO_Test\Sources\Main.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\GPIO_Test\Sources/Main.c\62</Expression>
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</Bp>
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<Bp>
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<Number>1</Number>
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<Type>0</Type>
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<LineNumber>53</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>0</Address>
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<ByteObject>0</ByteObject>
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<HtxType>0</HtxType>
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<ManyObjects>0</ManyObjects>
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<SizeOfObject>0</SizeOfObject>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>0</BreakIfRCount>
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<Filename>.\Sources\Main.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression></Expression>
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</Bp>
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</Breakpoint>
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<Tracepoint>
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<THDelay>0</THDelay>
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</Tracepoint>
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<DebugFlag>
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<trace>0</trace>
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<periodic>1</periodic>
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<aLwin>1</aLwin>
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<aLwin>0</aLwin>
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<aCover>0</aCover>
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<aSer1>0</aSer1>
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<aSer2>0</aSer2>
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@ -422,7 +438,7 @@
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<GroupNumber>1</GroupNumber>
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<FileNumber>2</FileNumber>
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<FileType>1</FileType>
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<tvExp>0</tvExp>
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<tvExp>1</tvExp>
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<tvExpOptDlg>0</tvExpOptDlg>
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<bDave2>0</bDave2>
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<PathWithFileName>..\Drivers\Sources\Driver_Timer.c</PathWithFileName>
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@ -10,8 +10,15 @@ int main (void){
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//Déclaration d'une LED et d'un BP par structure GPIO
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MyGPIO_Struct_TypeDef LED;
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MyGPIO_Struct_TypeDef BP;
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//Déclaration d'un Timer 500 ms
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MyTimer_Struct_TypeDef TIM500ms;
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//Déclaration de l'UART
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MyUART_Struct_Typedef * UART;
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UART->UART=USART1;
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UART->baudrate=9600;
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//Config LED PA5
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LED.GPIO_Conf = Out_Ppull;
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LED.GPIO_Pin = 5;
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@ -42,7 +49,8 @@ int main (void){
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MyTimer_PWM(&TIM500ms, 50);
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UART_init();
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UART_init(UART);
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//NVIC_EnableIRQ(USART1_IRQn);// Activer les interruptions
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@ -50,6 +58,9 @@ int main (void){
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for (i = 0; i < len; i++) {
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UART_send(data[i]);
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}
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UART_read(data[i], UART);
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