blob: e92357869b4f63efab82a5d63c97ba421e6ffb27 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +08001/*
2 * Copyright (c) 2012 Travis Geiselbrecht
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include <err.h>
24#include <debug.h>
25#include <trace.h>
26#include <target.h>
27#include <compiler.h>
28#include <dev/gpio.h>
29#include <stm32f4xx_usart.h>
30#include <stm32f4xx_rcc.h>
31#include <stm32f4xx_gpio.h>
32#include <platform/stm32.h>
33#include <platform/gpio.h>
34#include <target/debugconfig.h>
35#include <target/gpioconfig.h>
36
37void target_early_init(void)
38{
39#ifdef DEBUG_UART
40#if DEBUG_UART == 2
41 gpio_config(GPIO_USART2_TX, GPIO_STM32_AF |
42 GPIO_STM32_AFn(GPIO_AF_USART2) | GPIO_PULLUP);
43 gpio_config(GPIO_USART2_RX, GPIO_STM32_AF |
44 GPIO_STM32_AFn(GPIO_AF_USART2) | GPIO_PULLUP);
45#endif // DEBUG_UART == 2
46#else
47#warn DEBUG_UART only supports USART2!!!
48#endif // defined DEBUG_UART
49
50 stm32_debug_early_init();
51
52 /* configure some status leds */
53 gpio_config(GPIO_LED0, GPIO_OUTPUT);
54 gpio_config(GPIO_LED1, GPIO_OUTPUT);
55 gpio_config(GPIO_LED2, GPIO_OUTPUT);
56 gpio_config(GPIO_LED3, GPIO_OUTPUT);
57}
58
59void target_init(void)
60{
61 TRACE_ENTRY;
62
63 stm32_debug_init();
64
65 TRACE_EXIT;
66}
67
68void target_set_debug_led(unsigned int led, bool on)
69{
70 switch (led) {
71 case 0:
72 gpio_set(GPIO_LED0, on);
73 break;
74 case 1:
75 gpio_set(GPIO_LED1, on);
76 break;
77 case 2:
78 gpio_set(GPIO_LED2, on);
79 break;
80 case 3:
81 gpio_set(GPIO_LED3, on);
82 break;
83 }
84}