UART interrupt added
This commit is contained in:
parent
4b6629eb48
commit
e8800d0c58
4 changed files with 40 additions and 35 deletions
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@ -4,7 +4,9 @@
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#include "stm32f10x.h"
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void UART_send(char data);
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void UART_init();
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void UART_init(void);
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void UART_ITHandler(void);
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@ -1,16 +1,19 @@
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#include "Driver_UART.h"
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void UART_init()
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void UART_init(void)
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{
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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
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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->CR1 |= USART_CR1_TE;
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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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USART1->CR1 |= USART_CR1_RXNEIE; // Activer l'interruption de réception
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}
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void UART_send(char data)
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@ -18,4 +21,17 @@ void UART_send(char data)
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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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void UART_ITHandler(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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}
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if (USART1->SR & USART_SR_TC) // si la transmission est terminée
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{
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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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@ -125,7 +125,7 @@
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<SetRegEntry>
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<Number>0</Number>
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<Key>DLGDARM</Key>
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<Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=297,604,718,1031,0)(121=-1,-1,-1,-1,0)(122=546,289,967,716,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=-1,-1,-1,-1,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=-1,-1,-1,-1,0)(130=911,135,1505,886,0)(131=997,343,1591,1094,0)(132=-1,-1,-1,-1,0)(133=-1,-1,-1,-1,0)(160=949,269,1397,683,0)(161=-1,-1,-1,-1,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(234=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
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<Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=297,604,718,1031,0)(121=-1,-1,-1,-1,0)(122=546,289,967,716,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=-1,-1,-1,-1,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=-1,-1,-1,-1,0)(130=911,135,1505,886,0)(131=997,343,1591,1094,0)(132=-1,-1,-1,-1,0)(133=-1,-1,-1,-1,0)(160=930,345,1378,759,1)(161=1383,268,1831,682,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(234=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
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</SetRegEntry>
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<SetRegEntry>
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<Number>0</Number>
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@ -147,25 +147,9 @@
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>47</LineNumber>
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<LineNumber>51</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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<Bp>
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<Number>1</Number>
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<Type>0</Type>
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<LineNumber>47</LineNumber>
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<EnabledFlag>1</EnabledFlag>
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<Address>134219276</Address>
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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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@ -174,7 +158,7 @@
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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\47</Expression>
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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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<Tracepoint>
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@ -2,8 +2,9 @@
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#include "Driver_Timer.h"
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#include "Driver_UART.h"
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char data = 'A';
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int cmp = 0;
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char data[] = "Hello World";
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int i = 0;
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int len = sizeof(data) - 1; // -1 pour ne pas envoyer le caractère nul
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int main (void){
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//Déclaration d'une LED et d'un BP par structure GPIO
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@ -40,14 +41,16 @@ int main (void){
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MyTimer_PWM(&TIM500ms, 50);
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UART_init();
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while (cmp < 26) {
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UART_send(data+cmp);
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cmp ++;
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}
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UART_init();
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//NVIC_EnableIRQ(USART1_IRQn);// Activer les interruptions
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// Envoyer les données
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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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while(1){
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