Mathieu Garivet
Firmware to run on a Nucleo board to interact with an IRDA bootloader. Used with a bootloader running on a STM32F042 (MP for more information)
Revision 0:f600cde37499, committed 2019-09-03
- Comitter:
- garivetm
- Date:
- Tue Sep 03 08:25:33 2019 +0000
- Commit message:
- Initial commit
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Sep 03 08:25:33 2019 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+
+//------------------------------------
+// Recopie de Serial pc vers Serial IRDA
+//------------------------------------
+IRDA_HandleTypeDef hirda1;
+Serial pc(SERIAL_TX, SERIAL_RX);
+Serial irda(PA_9, PA_10);
+uint8_t c;
+char echo = 0;
+#define RX_BUFFER_SIZE 50
+uint8_t rxbuffer[RX_BUFFER_SIZE] = {0};
+char rxi = 0;
+#define TX_BUFFER_SIZE 50
+uint8_t txbuffer[TX_BUFFER_SIZE] = {0};
+char txi = 0;
+
+#define HELLO 0x68
+
+void Irda1_init(void);
+void IRDA_RxCpltCallback(void);
+void PC_RxCpltCallback(void);
+
+unsigned long* USART_CR3 = (unsigned long*)0x40013808; // offset 0x08
+unsigned long* USART_CR2 = (unsigned long*)0x40013804; // offset 0x04
+unsigned long* USART_CR1 = (unsigned long*)0x40013800; // offset 0x00
+unsigned long* USART_GTPR = (unsigned long*)0x40013810; // offset 0x10
+unsigned long* USART_BRR = (unsigned long*)0x4001380C; // offset 0x0C
+
+void Irda1_init(void)
+{
+ hirda1.Instance = USART1;
+ hirda1.Init.BaudRate = 9600;
+ hirda1.Init.WordLength = IRDA_WORDLENGTH_8B;
+ hirda1.Init.Parity = IRDA_PARITY_NONE;
+ hirda1.Init.Prescaler = 1;
+ hirda1.Init.PowerMode = IRDA_POWERMODE_NORMAL;
+ hirda1.Init.Mode = IRDA_MODE_TX_RX;
+ HAL_IRDA_Init(&hirda1);
+}
+
+int main() {
+ pc.baud(9600);
+ pc.printf("IRDA BOOTLOADER.\r\n");
+
+ Irda1_init();
+
+ c = HELLO;
+ irda.putc(c);
+
+ while(1) {
+ if(irda.readable()){
+ c = irda.getc();
+ while(!pc.writeable());
+ pc.putc(c);
+ }
+
+ if(pc.readable()){
+ c = pc.getc();
+ while(!irda.writeable());
+ irda.putc(c);
+ }
+ }
+}
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Sep 03 08:25:33 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/25aea2a3f4e3 \ No newline at end of file