arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-06-06 05:21:22 +03:00
Code

Minor code cleanup.

Browse Source
This commit is contained in:
Dirk O. Kaar 2021-03-31 15:24:29 +02:00
parent 5ac64ffa27
commit 2e214843db
1 changed files with 11 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
cores/esp8266/uart.cpp
View File

@ -775,17 +775,14 @@ uart_swap(uart_t* uart, int tx_pin)
{ {
pinMode(uart->tx_pin, INPUT); pinMode(uart->tx_pin, INPUT);
uart->tx_pin = 15; uart->tx_pin = 15;
pinMode(uart->tx_pin, FUNCTION_4);
} }
if(uart->rx_enabled) //RX if(uart->rx_enabled) //RX
{ {
pinMode(uart->rx_pin, INPUT); pinMode(uart->rx_pin, INPUT);
uart->rx_pin = 13; uart->rx_pin = 13;
pinMode(uart->rx_pin, FUNCTION_4);
} }
if(uart->tx_enabled)
pinMode(uart->tx_pin, FUNCTION_4); //TX
if(uart->rx_enabled)
pinMode(uart->rx_pin, FUNCTION_4); //RX
IOSWAP |= (1 << IOSWAPU0); IOSWAP |= (1 << IOSWAPU0);
return true; return true;
@ -796,17 +793,14 @@ uart_swap(uart_t* uart, int tx_pin)
{ {
pinMode(uart->tx_pin, INPUT); pinMode(uart->tx_pin, INPUT);
uart->tx_pin = (tx_pin == 2)?2:1; uart->tx_pin = (tx_pin == 2)?2:1;
pinMode(uart->tx_pin, (tx_pin == 2)?FUNCTION_4:SPECIAL);
} }
if(uart->rx_enabled) //RX if(uart->rx_enabled) //RX
{ {
pinMode(uart->rx_pin, INPUT); pinMode(uart->rx_pin, INPUT);
uart->rx_pin = 3; uart->rx_pin = 3;
pinMode(3, SPECIAL);
} }
if(uart->tx_enabled)
pinMode(uart->tx_pin, (tx_pin == 2)?FUNCTION_4:SPECIAL); //TX
if(uart->rx_enabled)
pinMode(3, SPECIAL); //RX
IOSWAP &= ~(1 << IOSWAPU0); IOSWAP &= ~(1 << IOSWAPU0);
return true; return true;
@ -832,14 +826,18 @@ uart_set_tx(uart_t* uart, int tx_pin)
case UART0: case UART0:
if(uart->tx_enabled) if(uart->tx_enabled)
{ {
if (uart->tx_pin == 1 && tx_pin == 2) if (uart->tx_pin == tx_pin)
{
return true;
}
else if (tx_pin == 2)
{ {
pinMode(uart->tx_pin, INPUT); pinMode(uart->tx_pin, INPUT);
uart->tx_pin = 2; uart->tx_pin = tx_pin;
pinMode(uart->tx_pin, FUNCTION_4); pinMode(uart->tx_pin, FUNCTION_4);
return true; return true;
} }
else if (uart->tx_pin == 2 && tx_pin != 2) else if (tx_pin != 2)
{ {
pinMode(uart->tx_pin, INPUT); pinMode(uart->tx_pin, INPUT);
uart->tx_pin = 1; uart->tx_pin = 1;