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STM32F411: simplify serial and get rid of mbed-pinmap_common.c. 

We have only one UART, we use only one UART, so it's pointless to
do pin mapping calculations at runtime.

    SIZES          ARM...     stm32f411
    FLASH  :  4832 bytes           1%
    RAM    :   404 bytes           1%
    EEPROM :     0 bytes           0%
This commit is contained in:
Nico Tonnhofer 2015-11-07 00:20:47 +01:00
parent d44c03a1b7
commit 79010723b1
1 changed files with 5 additions and 17 deletions
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18
mbed-serial_api_stm32.c
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@ -88,12 +88,9 @@ static void mbed_init_uart(serial_t *obj)
void mbed_serial_init(serial_t *obj, PinName tx, PinName rx)
{
// Determine the UART to use (UART_1, UART_2, ...)
UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
// Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
obj->uart = UART_2;
// Enable USART clock
switch (obj->uart) {
@ -144,14 +141,10 @@ void mbed_serial_init(serial_t *obj, PinName tx, PinName rx)
}
// Configure the UART pins
pinmap_pinout(tx, PinMap_UART_TX);
pinmap_pinout(rx, PinMap_UART_RX);
if (tx != NC) {
pin_function(tx, 0x393);
pin_mode(tx, PullUp);
}
if (rx != NC) {
pin_function(rx, 0x393);
pin_mode(rx, PullUp);
}
// Configure UART
obj->baudrate = 9600;
@ -477,11 +470,6 @@ void mbed_serial_clear(serial_t *obj)
__HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
}
void mbed_serial_pinout_tx(PinName tx)
{
pinmap_pinout(tx, PinMap_UART_TX);
}
void mbed_serial_break_set(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart);