tkl/stm32g0xx
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Use UART driver

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This commit is contained in:
Thomas Klaehn 2021-01-08 10:21:58 +01:00
parent f94f7f0d68
commit cca848eec0
2 changed files with 9 additions and 36 deletions
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44
Core/main.cc
View File

@ -6,25 +6,20 @@
#include "main.h"
#include "platform/stm32g0xx/Gpio.h"
#include "platform/stm32g0xx/Uart.h"
IWDG_HandleTypeDef hiwdg;
UART_HandleTypeDef huart2;
static void SystemClock_Config(void);
static void MX_USART2_UART_Init(void);
// static void MX_IWDG_Init(void);
#define SYS_TICK_PRIO 0
class My
{
public:
My() {printf("Constructor\r\n");};
~My() {printf("Destructor\r\n");};
};
using namespace perinet::platform::stm32g0xx;
Gpio green_led(Gpio::Port::PORT_A, 5, Gpio::Mode::MODE_OUTPUT_PP);
Uart uart(Uart::UartDevice::UART_2, 115200);
int main(void)
{
unsigned int i = 1, j = 40;
@ -45,15 +40,10 @@ int main(void)
MODIFY_REG(SYSCFG->CFGR1, (SYSCFG_CFGR1_UCPD1_STROBE | SYSCFG_CFGR1_UCPD2_STROBE), SYSCFG_CFGR1_UCPD1_STROBE | SYSCFG_CFGR1_UCPD2_STROBE);
SystemClock_Config();
MX_USART2_UART_Init();
My* my = new My();
delete(my);
Gpio green_led(Gpio::Port::PORT_A, 5, Gpio::Mode::MODE_OUTPUT_PP);
// MX_IWDG_Init();
char tx_buf[80];
while (1) {
if (j < 100) {
j += 10;
@ -67,7 +57,8 @@ int main(void)
if (j > 800) {
j = 800;
}
printf("%u: Hello World\r\n", i++);
sprintf(tx_buf, "%u: Hello World\r\n", i++);
uart.sync_send((const uint8_t *)tx_buf, strlen(tx_buf));
green_led.toggle();
HAL_Delay(j);
// HAL_IWDG_Refresh(&hiwdg);
@ -152,25 +143,6 @@ void SystemClock_Config(void)
// }
// }
static void MX_USART2_UART_Init(void)
{
huart2.Instance = USART2;
huart2.Init.BaudRate = 115200;
huart2.Init.WordLength = UART_WORDLENGTH_8B;
huart2.Init.StopBits = UART_STOPBITS_1;
huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart2) != HAL_OK) {
Error_Handler();
}
}
void Error_Handler(void)
{
__disable_irq();

1
Makefile
View File

@ -8,6 +8,7 @@ BUILD_DIR = _build
CC_SOURCES = \
Core/main.cc \
platform/stm32g0xx/Gpio.cc \
platform/stm32g0xx/Uart.cc
C_SOURCES = \
platform/stm32g0xx/stm32g0xx_it.c \