[feat] add shell color demo

example/shell/shell_color/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.10)
+
+include(proj.conf)
+
+project(${EXAMPLE_NAME} VERSION 0.1)
+add_executable(${EXAMPLE_NAME}.elf main.c)
+
+include_directories(.)
+
+add_subdirectory(${SDK_BASE_DIR} sdk)
+target_link_libraries(${EXAMPLE_NAME}.elf sdk)

example/shell/shell_color/Makefile

@@ -0,0 +1,18 @@
+EXAMPLE_BASE_DIR ?= $(shell realpath .)
+EXAMPLE_NAME := $(notdir $(patsubst %/,%,$(CURDIR)))
+SDK_BASE_DIR ?= $(shell realpath ./../../..)
+
+export SDK_BASE_DIR
+export EXAMPLE_NAME
+export EXAMPLE_BASE_DIR
+
+GCC_PATH := $(shell which arm-none-eabi-gcc)
+CROSS_COMPILE := $(patsubst %gcc,%,$(GCC_PATH))
+ifeq ($(GCC_PATH),)
+$(error arm-none-eabi-gcc not found in PATH. Please install the ARM toolchain.)
+endif
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(SDK_BASE_DIR)/project.build

example/shell/shell_color/main.c

@@ -0,0 +1,35 @@
+#include "resets.h"
+#include "gpio.h"
+#include "uart.h"
+#include "timer.h"
+#include "stdio.h"
+#include "mem.h"
+#include "shell.h"
+
+extern struct shell _shell;
+struct shell *shell = &_shell;
+
+int main(void)
+{
+    reset_unreset_blocks_wait(RESETS_BLOCK_IO_BANK0 | RESETS_BLOCK_UART0 | RESETS_BLOCK_TIMER);
+    gpio_init(0, GPIO_FUNC_UART | GPIO_PULL_UP | GPIO_DRIVE_4MA); /* UART_TX pin */
+    gpio_init(1, GPIO_FUNC_UART | GPIO_PULL_UP | GPIO_SCHMITT | GPIO_PAD_IE | GPIO_PAD_OD); /* UART_RX pin */
+    uart_init(uart0_hw, 6 * 1000 * 1000, UART_DATABITS_8 | UART_PARITY_NONE | UART_STOPBITS_1);
+    printf("shell color example\r\n");
+
+    kmem_init((void *)0x20030000, 64 * 1024);
+    shell_init();
+    printf("shell = %p\r\n", shell);
+    printf("printf = %p\r\n", shell->shell_printf);
+    while(1) {
+        static uint32_t count = 0;
+        SHELL_CMD("cmd: hello world, %lu\r\n", count++);
+        SHELL_PRINTF("printf: hello world, %lu\r\n", count++);
+        SHELL_DGB("dbg: hello world, %lu\r\n", count++);
+        SHELL_PROMPT("prompt: hello world, %lu\r\n", count++);
+        SHELL_E("e: hello world, %lu\r\n", count++);
+        timer_delay_ms(1000);
+    }
+
+    return 0;
+}

example/shell/shell_color/proj.conf

@@ -0,0 +1 @@
+set(CONFIG_SHELL 1)

example/shell/shell_no_os/main.c

@@ -1,14 +1,12 @@
 #include "resets.h"
-#include "timer.h"
 #include "gpio.h"
 #include "uart.h"
 #include "stdio.h"
-#include "stdlib.h"
+#include "string.h"
 #include "mem.h"
 #include "shell.h"
 
 #define LED_PIN (25)
-#define LED_TIME (500 * 1000) /* 500ms */
 
 int main(void)
 {
@@ -20,6 +18,7 @@ int main(void)
 
     kmem_init((void *)0x20030000, 64 * 1024);
     shell_init();
+    gpio_init(LED_PIN, GPIO_FUNC_NULL | GPIO_OVER_OUT_LOW | GPIO_OVER_OE_ENABLE | GPIO_PULL_DOWN | GPIO_DRIVE_4MA); /* LED pin */
     while(1) {
         int c = uart_get_char(uart0_hw);
         if (c >= 0) {
@@ -30,13 +29,29 @@ int main(void)
     return 0;
 }
 
-int shell_test(int argc, char **argv)
+void shell_test(int argc, char **argv)
 {
     printf("shell test, argc=%d:\r\n", argc);
     for (int i = 0; i < argc; i++) {
         printf("argv[%d] = %s\r\n", i, argv[i]);
     }
     printf("\r\n");
-    return 0;
 }
 SHELL_CMD_EXPORT_ALIAS(shell_test, test, shell test.);
+
+void shell_led(int argc, char **argv)
+{
+    if (argc != 2) {
+        printf("Usage: led on/off\r\n");
+        return;
+    }
+    if (strlen(argv[1]) == 3 && argv[1][0] == 'o' && argv[1][1] == 'f' && argv[1][2] == 'f') {
+        gpio_clear(LED_PIN);
+    } else if (strlen(argv[1]) == 2 && argv[1][0] == 'o' && argv[1][1] == 'n') {
+        gpio_set(LED_PIN);
+    } else {
+        printf("Usage: led on/off\r\n");
+        return;
+    }
+}
+SHELL_CMD_EXPORT_ALIAS(shell_led, led, shell led.);