1 /*
2 * Copyright (c) 2012 Travis Geiselbrecht
3 *
4 * Use of this source code is governed by a MIT-style
5 * license that can be found in the LICENSE file or at
6 * https://opensource.org/licenses/MIT
7 */
8 #include <lk/err.h>
9 #include <lk/debug.h>
10 #include <lk/trace.h>
11 #include <target.h>
12 #include <lk/compiler.h>
13 #include <dev/gpio.h>
14 #include <stm32f2xx_usart.h>
15 #include <stm32f2xx_rcc.h>
16 #include <stm32f2xx_gpio.h>
17 //#include <stm32f10x_flash.h>
18 //#include <stm32f10x_dbgmcu.h>
19 #include <platform/stm32.h>
20 #include <platform/gpio.h>
21 #include <target/gpioconfig.h>
22
target_early_init(void)23 void target_early_init(void) {
24 /* configure the usart3 pins */
25 gpio_config(GPIO_USART3_TX, GPIO_STM32_AF | GPIO_STM32_AFn(GPIO_AF_USART3) | GPIO_PULLUP);
26 gpio_config(GPIO_USART3_RX, GPIO_STM32_AF | GPIO_STM32_AFn(GPIO_AF_USART3) | GPIO_PULLUP);
27
28 stm32_debug_early_init();
29
30 /* configure some status leds */
31 gpio_config(GPIO_LED0, GPIO_OUTPUT);
32 gpio_config(GPIO_LED1, GPIO_OUTPUT);
33 gpio_config(GPIO_LED2, GPIO_OUTPUT);
34 gpio_config(GPIO_LED3, GPIO_OUTPUT);
35
36 stm3220g_set_led_bits(1);
37 }
38
target_init(void)39 void target_init(void) {
40 TRACE_ENTRY;
41
42 stm32_debug_init();
43
44 TRACE_EXIT;
45 }
46
target_set_debug_led(unsigned int led,bool on)47 void target_set_debug_led(unsigned int led, bool on) {
48 switch (led) {
49 case 0:
50 gpio_set(GPIO_LED0, on);
51 break;
52 case 1:
53 gpio_set(GPIO_LED1, on);
54 break;
55 case 2:
56 gpio_set(GPIO_LED2, on);
57 break;
58 case 3:
59 gpio_set(GPIO_LED3, on);
60 break;
61 }
62 }
63
stm3220g_set_led_bits(unsigned int nr)64 void stm3220g_set_led_bits(unsigned int nr) {
65 gpio_set(GPIO_LED0, nr & 1);
66 gpio_set(GPIO_LED1, nr & 2);
67 gpio_set(GPIO_LED2, nr & 4);
68 gpio_set(GPIO_LED3, nr & 8);
69 }
70