Modification for STM32 USART Library

/**
 * @brief  Wait till USART finishes transmission
 */
#define USART_WAIT(USARTx)                  while (!((USARTx)->ISR & USART_FLAG_TXE)) //Status Register SR is modified to ISR for STM32F37x

/**
 * @brief  Puts character to USART port
 * @param  *USARTx: Pointer to USARTx peripheral you will use
 * @param  c: character to be send over USART
 * @retval None
 */
static __INLINE void TM_USART_Putc(USART_TypeDef* USARTx, volatile char c) {
    /* Check USART */
    if ((USARTx->CR1 & USART_CR1_UE)) {
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
        /* Send data */
        USARTx->TDR = (uint16_t)(c & 0x01FF);  //Data register (DR) is modified to Transmit Data Register (TDR) for STM32F37x
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
    }
}

/* Private functions */
void TM_GPIO_INT_EnableClock(GPIO_TypeDef* GPIOx) {
    /* Set bit according to the 1 << portsourcenumber */
    RCC->AHBENR |= (1 << TM_GPIO_GetPortSource(GPIOx)); //AHB1ENR bus is modified to AHBENR bus for STM32F37x
}

void TM_GPIO_INT_DisableClock(GPIO_TypeDef* GPIOx) {
    /* Clear bit according to the 1 << portsourcenumber */
    RCC->AHBENR &= ~(1 << TM_GPIO_GetPortSource(GPIOx)); //AHB1ENR bus is modified to AHBENR bus for STM32F37x
}

void TM_USART_Puts(USART_TypeDef* USARTx, char* str) {
    TM_USART_t* u = TM_USART_INT_GetUsart(USARTx);
    /* If we are not initialized */
    if (u->Initialized == 0) {
        return;
    }

    /* Go through entire string */
    while (*str) {
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
        /* Send data */
        USARTx->TDR = (uint16_t)(*str++ & 0x01FF); //Data register (DR) is modified to Transmit Data Register (TDR) for STM32F37x
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
    }
}

void TM_USART_Send(USART_TypeDef* USARTx, uint8_t* DataArray, uint16_t count) {
    uint16_t i;
    TM_USART_t* u = TM_USART_INT_GetUsart(USARTx);
    /* If we are not initialized */
    if (u->Initialized == 0) {
        return;
    }

    /* Go through entire data array */
    for (i = 0; i < count; i++) {
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
        /* Send data */
        USARTx->TDR = (uint16_t)(DataArray[i]); //Data register (DR) is modified to Transmit Data Register (TDR) for STM32F37x
        /* Wait to be ready, buffer empty */
        USART_WAIT(USARTx);
    }
}

#ifdef USE_USART1
void TM_USART1_InitPins(TM_USART_PinsPack_t pinspack) {
    /* Init pins */
#if defined(GPIOA)
    if (pinspack == TM_USART_PinsPack_1) {
        TM_GPIO_InitAlternate(GPIOA, GPIO_Pin_9 | GPIO_Pin_10, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART1 to GPIO_AF_7 for STM32F37x
    }
#endif
#if defined(GPIOB)
    if (pinspack == TM_USART_PinsPack_2) {
        TM_GPIO_InitAlternate(GPIOB, GPIO_Pin_6 | GPIO_Pin_7, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART1 to GPIO_AF_7 for STM32F37x
    }
#endif
    if (pinspack == TM_USART_PinsPack_Custom) {
        /* Init custom pins, callback used */
        TM_USART_InitCustomPinsCallback(USART1);
    }
}
#endif

#ifdef USE_USART2
void TM_USART2_InitPins(TM_USART_PinsPack_t pinspack) {
    /* Init pins */
#if defined(GPIOA)
    if (pinspack == TM_USART_PinsPack_1) {
        TM_GPIO_InitAlternate(GPIOA, GPIO_Pin_2 | GPIO_Pin_3, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART2 to GPIO_AF_7 for STM32F37x
    }
#endif
#if defined(GPIOD)
    if (pinspack == TM_USART_PinsPack_2) {
        TM_GPIO_InitAlternate(GPIOD, GPIO_Pin_5 | GPIO_Pin_6, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART2 to GPIO_AF_7 for STM32F37x
    }
#endif
    if (pinspack == TM_USART_PinsPack_Custom) {
        /* Init custom pins, callback used */
        TM_USART_InitCustomPinsCallback(USART2);
    }
}
#endif

#ifdef USE_USART3
void TM_USART3_InitPins(TM_USART_PinsPack_t pinspack) {
    /* Init pins */
#if defined(GPIOB)
    if (pinspack == TM_USART_PinsPack_1) {
        TM_GPIO_InitAlternate(GPIOB, GPIO_Pin_10 | GPIO_Pin_11, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART3 to GPIO_AF_7 for STM32F37x
    }
#endif
#if defined(GPIOC)
    if (pinspack == TM_USART_PinsPack_2) {
        TM_GPIO_InitAlternate(GPIOC, GPIO_Pin_10 | GPIO_Pin_11, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART3 to GPIO_AF_7 for STM32F37x
    }
#endif
#if defined(GPIOD)
    if (pinspack == TM_USART_PinsPack_3) {
        TM_GPIO_InitAlternate(GPIOD, GPIO_Pin_8 | GPIO_Pin_9, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_High, GPIO_AF_7); //Modified alternate function GPIO_AF_USART3 to GPIO_AF_7 for STM32F37x
    }
#endif
    if (pinspack == TM_USART_PinsPack_Custom) {
        /* Init custom pins, callback used */
        TM_USART_InitCustomPinsCallback(USART3);
    }
}
#endif