PicoXToolscc
cc 是运行在rp2040上的C编译、执行器，它可以生成:
- 汇编语言
- 可执行的二进制文件。
-s 生成汇编
sh
cc -s file.ccc -s file.casm
1: int main(){
2: httpd();
3: // lvgl_test();
4: return 0;
5: }
20039800 b580 push {r7, lr}
20039802 466f mov r7, sp
20039804 4b03 ldr r3, [pc, #12] ; 0x20039814
20039806 4798 blx r3
20039808 2000 movs r0, #0
2003980a 46bd mov sp, r7
2003980c bd80 pop {r7, pc}
2003980e 46bd mov sp, r7
20039810 bd80 pop {r7, pc}
20039812 46c0 mov r8, r8
20039814 1006 b311 .word 0x1006b311 ; httpd
20039818 0000 0000 .word 0x00000000 ; "\0\0\0\0"1: int main(){
2: httpd();
3: // lvgl_test();
4: return 0;
5: }
20039800 b580 push {r7, lr}
20039802 466f mov r7, sp
20039804 4b03 ldr r3, [pc, #12] ; 0x20039814
20039806 4798 blx r3
20039808 2000 movs r0, #0
2003980a 46bd mov sp, r7
2003980c bd80 pop {r7, pc}
2003980e 46bd mov sp, r7
20039810 bd80 pop {r7, pc}
20039812 46c0 mov r8, r8
20039814 1006 b311 .word 0x1006b311 ; httpd
20039818 0000 0000 .word 0x00000000 ; "\0\0\0\0"-o 生成可执行文件
sh
cc -o a.out file.ccc -o a.out file.c编译执行
sh
cc file.ccc file.c视频展示
hello
示例代码
gpio.c
c
#define led_a 16
#define led_b 17
#define led_c 18
#define led_d 19
int mask_val = 1<<led_a|1<<led_b|1<<led_c|1<<led_d; //34537472;
int led_val = 0;
int led_idx = -1;
void gpio_test_one(){
sleep_ms(500);
gpio_put_masked(mask_val,led_val^=0xffffffff);
}
void gpio_test_two(){
sleep_ms(200);
led_idx = ++led_idx%4;
gpio_put_masked(mask_val,1<<(led_a +led_idx));
}
int main(int argc,char ** argv) {
led_val = mask_val;
int case_n = -1;
if(argc >1){
case_n = atoi(argv[1]);
}
gpio_init_mask(mask_val);
gpio_set_dir_masked(mask_val,mask_val);
gpio_put_masked(mask_val,led_val);
printf("GPIO Demo\r\n");
while (1) {
if (getchar_timeout_us(0) == 3) break;
if(-1 == case_n) gpio_test_one();
else gpio_test_two();
}
return 0;
}#define led_a 16
#define led_b 17
#define led_c 18
#define led_d 19
int mask_val = 1<<led_a|1<<led_b|1<<led_c|1<<led_d; //34537472;
int led_val = 0;
int led_idx = -1;
void gpio_test_one(){
sleep_ms(500);
gpio_put_masked(mask_val,led_val^=0xffffffff);
}
void gpio_test_two(){
sleep_ms(200);
led_idx = ++led_idx%4;
gpio_put_masked(mask_val,1<<(led_a +led_idx));
}
int main(int argc,char ** argv) {
led_val = mask_val;
int case_n = -1;
if(argc >1){
case_n = atoi(argv[1]);
}
gpio_init_mask(mask_val);
gpio_set_dir_masked(mask_val,mask_val);
gpio_put_masked(mask_val,led_val);
printf("GPIO Demo\r\n");
while (1) {
if (getchar_timeout_us(0) == 3) break;
if(-1 == case_n) gpio_test_one();
else gpio_test_two();
}
return 0;
}flash.c
脱机烧录c
int main(){
active_port(0);
flash("stm32f103","/upload/stm32f103_blink.bin");
active_port(1);
flash("stm32f103","/upload/stm32f103_blink.bin");
return 0;
}int main(){
active_port(0);
flash("stm32f103","/upload/stm32f103_blink.bin");
active_port(1);
flash("stm32f103","/upload/stm32f103_blink.bin");
return 0;
}flash_ex.c
进阶烧录。当按下return键时进行烧录操作c
int curr_key = 0;
int gpio_callback(int num){
curr_key = get_curr_key();
return 0;
}
int main(){
reg_gpio_hook(gpio_callback);
while(1){
if(curr_key){
printf("key %d down\r\n",curr_key);
if(curr_key == 24){
flash("stm32f103","/upload/stm32f103_blink.bin");
}
curr_key = 0 ;
}
sleep_ms_v(1);
if (getchar_timeout_us(0) == 3){
unreg_gpio_hook(gpio_callback);
break;
}
}
return 0;
}int curr_key = 0;
int gpio_callback(int num){
curr_key = get_curr_key();
return 0;
}
int main(){
reg_gpio_hook(gpio_callback);
while(1){
if(curr_key){
printf("key %d down\r\n",curr_key);
if(curr_key == 24){
flash("stm32f103","/upload/stm32f103_blink.bin");
}
curr_key = 0 ;
}
sleep_ms_v(1);
if (getchar_timeout_us(0) == 3){
unreg_gpio_hook(gpio_callback);
break;
}
}
return 0;
}