97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
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* Copyright (c) 2012 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <err.h>
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#include <debug.h>
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#include <target.h>
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#include <compiler.h>
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#include <dev/gpio.h>
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#include <dev/i2c.h>
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#include <lib/console.h>
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#include <platform/gpio.h>
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#include <platform/stm32.h>
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#include <platform/usbc.h>
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#include <target/gpioconfig.h>
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#include <target/usb.h>
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void target_early_init(void)
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{
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/* configure the usart2 pins */
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gpio_config(GPIO(GPIO_PORT_A, 2), GPIO_STM32_AF | GPIO_STM32_AFn(1));
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gpio_config(GPIO(GPIO_PORT_A, 3), GPIO_STM32_AF | GPIO_STM32_AFn(1));
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/* configure i2c pins */
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gpio_config(GPIO(GPIO_PORT_B, 8), GPIO_PULLUP | GPIO_STM32_AF | GPIO_STM32_AFn(1)); // SCL
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gpio_config(GPIO(GPIO_PORT_B, 9), GPIO_PULLUP | GPIO_STM32_AF | GPIO_STM32_AFn(1)); // SDA
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stm32_debug_early_init();
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/* configure some status leds */
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gpio_set(GPIO_LED0, 1);
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gpio_config(GPIO_LED0, GPIO_OUTPUT);
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i2c_init_early();
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}
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void target_init(void)
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{
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stm32_debug_init();
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i2c_init();
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stm32_usbc_init();
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target_usb_setup();
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}
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void target_set_debug_led(unsigned int led, bool on)
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{
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switch (led) {
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case 0:
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gpio_set(GPIO_LED0, on);
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break;
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}
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}
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static int cmd_i2c_rb(int argc, const cmd_args *argv) {
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if (argc != 3) {
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printf("usage: i2c_rb <addr> <reg>\n");
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return 1;
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}
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uint8_t addr = argv[1].u;
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uint8_t reg = argv[2].u;
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uint8_t data;
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status_t ret = i2c_read_reg_bytes(1, addr, reg, &data, 1);
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if (ret != NO_ERROR) {
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printf("error: %d\n", ret);
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return 1;
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}
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printf("%02x[%02x]: %02x\n", addr, reg, data);
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return 0;
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}
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STATIC_COMMAND_START
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STATIC_COMMAND("i2c_rb", "i2c_rb", &cmd_i2c_rb)
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STATIC_COMMAND_END(nucleo);
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