diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 33 |
1 files changed, 22 insertions, 11 deletions
@@ -26,9 +26,7 @@ #include <flash.h>
#include <gpio.h>
#include <heap.h>
-#include <initrd.h>
#include <keypad.h>
-#include <lcd.h>
#include <it/parser.h>
#include <random.h>
#include <script.h>
@@ -55,6 +53,7 @@ int main(void) FLASH->ACR &= ~(FLASH_ACR_LATENCY);
FLASH->ACR |= FLASH_ACR_LATENCY_4WS;
+ // init core components
clock_init();
heap_init(&__bss_end__);
random_init();
@@ -63,17 +62,14 @@ int main(void) keypad_init();
flash_init();
- //gpio_mode(GPIOA, 5, OUTPUT); // taken by sd
-
// enable FPU
SCB->CPACR |= (0xF << 20);
- // enable MPU
- //MPU->CTRL |= MPU_CTRL_PRIVDEFENA_Msk | MPU_CTRL_ENABLE_Msk;
task_init(kmain);
while (1);
}
+// enters deep sleep, activated through button press
void sleep(void)
{
dsp_sleep();
@@ -82,6 +78,8 @@ void sleep(void) asm("wfi");
}
+// wakes up from sleep, re-initializes components that
+// need to be
void wakeup(void)
{
clock_init();
@@ -90,14 +88,17 @@ void wakeup(void) void kmain(void)
{
+ // prepare display
dsp_init();
dsp_cursoron();
text_init();
+ // prepare SD card and keypad
sd_init();
fat_find();
keypad_start();
+ // start tasks
task_start(task_interpreter, 4096);
task_start(task_status, 512);
@@ -108,13 +109,18 @@ void kmain(void) while (sleep_pending)
delay(1);
}
- //gpio_dout(GPIOA, 5, 1);
- //delay(250);
- //gpio_dout(GPIOA, 5, 0);
delay(100);
}
}
+/**
+ * Loads the given script on SD card into an interpreter instance.
+ * @param name the file's name
+ * @return a new, loaded instance
+ * Files are expected to be in the root directory of the filesystem.
+ * See fat32.h for more info.
+ * Pass the returned instance to irun() to start the script.
+ */
instance *load_program(const char *name)
{
// load file
@@ -157,8 +163,10 @@ fail: return 0;
}
-
-
+/**
+ * Display and update a status bar.
+ * This currently only has an icon for insert/delete mode.
+ */
void task_status(void)
{
extern int keypad_insert;
@@ -185,6 +193,9 @@ void task_status(void) }
}
+/**
+ * Loads the initial program from the SD card and runs it.
+ */
void task_interpreter(void)
{
dsp_rect(0, 0, 480, 300, 0);
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