| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 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 | |
| 37 | void 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 | |
| 59 | void target_init(void) |
| 60 | { |
| 61 | TRACE_ENTRY; |
| 62 | |
| 63 | stm32_debug_init(); |
| 64 | |
| 65 | TRACE_EXIT; |
| 66 | } |
| 67 | |
| 68 | void 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 | } |