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arm: small refactor in main

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This commit is contained in:
Paul Mathieu 2022-06-19 09:43:36 +02:00
parent 15488550c0
commit e1eaa0ec0a
2 changed files with 11 additions and 7 deletions
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2
arm/app.ld
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@ -3,6 +3,8 @@ MEMORY
ICTM (rwx) : ORIGIN = 0x00000800, LENGTH = 14336
}
_vector_table = 0x0;
SECTIONS
{
.text :

16
arm/main.cc
View File

@ -8,6 +8,8 @@
#include "uart.h"
#include "uart_async.h"
extern volatile uint32_t _vector_table[];
namespace {
using async::AwaitableType;
@ -24,20 +26,17 @@ void Timer0Isr() {
void SetupUart() {
InitUarts();
auto* vector_table = reinterpret_cast<uint32_t*>(0x0);
vector_table[16 + HardFault_IRQn] =
reinterpret_cast<uint32_t>(crash::HardFaultHandler);
vector_table[16 + Uart0_IRQn] = reinterpret_cast<uint32_t>(Uart0Isr);
vector_table[16 + Timer0_IRQn] = reinterpret_cast<uint32_t>(Timer0Isr);
_vector_table[16 + Uart0_IRQn] = reinterpret_cast<uint32_t>(Uart0Isr);
NVIC_SetPriority(Uart0_IRQn, 3);
NVIC_EnableIRQ(Uart0_IRQn);
}
void SetupTimer() {
NVIC_EnableIRQ(Timer0_IRQn);
timer0->SetupAsWdt(100000 * 4000);
timer0->EnableT1();
_vector_table[16 + Timer0_IRQn] = reinterpret_cast<uint32_t>(Timer0Isr);
NVIC_EnableIRQ(Timer0_IRQn);
}
async::task<> echo() {
@ -49,6 +48,9 @@ async::task<> echo() {
} // namespace
int main() {
_vector_table[16 + HardFault_IRQn] =
reinterpret_cast<uint32_t>(crash::HardFaultHandler);
SetupUart();
SetupTimer();