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Add more uarts for STM32F103xG #14976

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Merged
merged 1 commit into from
Aug 13, 2021
Merged

Add more uarts for STM32F103xG #14976

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42 changes: 42 additions & 0 deletions targets/TARGET_STM/TARGET_STM32F1/serial_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,11 @@

#include "serial_api_hal.h"

#if defined(TARGET_STM32F103xG)
#define UART_NUM (5)
#else
#define UART_NUM (3)
#endif

uint32_t serial_irq_ids[UART_NUM] = {0};
UART_HandleTypeDef uart_handlers[UART_NUM];
Expand Down Expand Up @@ -94,6 +98,20 @@ static void uart3_irq(void)
}
#endif

#if defined(USART4_BASE)
static void uart4_irq(void)
{
uart_irq(UART_4);
}
#endif

#if defined(USART5_BASE)
static void uart5_irq(void)
{
uart_irq(UART_5);
}
#endif

void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
{
struct serial_s *obj_s = SERIAL_S(obj);
Expand Down Expand Up @@ -130,6 +148,20 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
}
#endif

#if defined(USART4_BASE)
if (obj_s->uart == UART_4) {
irq_n = USART4_IRQn;
vector = (uint32_t)&uart4_irq;
}
#endif

#if defined(USART5_BASE)
if (obj_s->uart == UART_5) {
irq_n = USART5_IRQn;
vector = (uint32_t)&uart5_irq;
}
#endif

if (enable) {
if (irq == RxIrq) {
__HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
Expand Down Expand Up @@ -302,6 +334,16 @@ static IRQn_Type serial_get_irq_n(UARTName uart_name)
case UART_3:
irq_n = USART3_IRQn;
break;
#endif
#if defined(USART4_BASE)
case UART_4:
irq_n = USART4_IRQn;
break;
#endif
#if defined(USART5_BASE)
case UART_5:
irq_n = USART5_IRQn;
break;
#endif
default:
irq_n = (IRQn_Type)0;
Expand Down