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Modified main.c to enable uart1 when UART1_CDC is set #45

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Modified main.c to enable uart1 when UART1_CDC is set #45

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30 changes: 24 additions & 6 deletions Firmware/pico-ice-default/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@

// pico-sdk
#include "pico/stdio.h"
#include "pico/stdio_usb.h"
#include "hardware/irq.h"
#include "hardware/gpio.h"
#include "hardware/uart.h"
Expand All @@ -33,8 +34,15 @@
#include "ice_fpga.h"
#include "ice_led.h"

#define UART_TX_PIN 0
#define UART_RX_PIN 1
// GP0 UART0Tx ICE27
// GP1 UART0Rx ICE25
#define UART0_TX_PIN 0
#define UART0_RX_PIN 1

// GP4 UART1Tx ICE26
// GP5 UART1Rx ICE23
#define UART1_TX_PIN 4
#define UART1_RX_PIN 5

#define DOC_FORWARD_SPI \
"https://pico-ice.tinyvision.ai/group__ice__usb.html#autotoc_md2"
Expand Down Expand Up @@ -113,13 +121,20 @@ static void repl_prompt(void)

int main(void)
{
// Enable USB-CDC #0 (serial console)
stdio_init_all();

#if ICE_USB_UART0_CDC
// Enable the physical UART
uart_init(uart0, 115200);
gpio_set_function(UART_TX_PIN, GPIO_FUNC_UART);
gpio_set_function(UART_RX_PIN, GPIO_FUNC_UART);
gpio_set_function(UART0_TX_PIN, GPIO_FUNC_UART);
gpio_set_function(UART0_RX_PIN, GPIO_FUNC_UART);
#endif

#if ICE_USB_UART1_CDC
// Enable the physical UART
uart_init(uart1, 115200);
gpio_set_function(UART1_TX_PIN, GPIO_FUNC_UART);
gpio_set_function(UART1_RX_PIN, GPIO_FUNC_UART);
#endif

// Let the FPGA start
ice_fpga_init(12);
Expand All @@ -128,6 +143,9 @@ int main(void)
// Configure USB as defined in tusb_config.h
ice_usb_init();

// Enable USB-CDC #0 (serial console)
stdio_usb_init();

// Prevent the LEDs from glowing slightly
ice_led_init();

Expand Down