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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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/* ULP-RISC-V example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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This code runs on ULP-RISC-V coprocessor
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*/
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#include "ulp_riscv.h"
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#include "ulp_riscv_utils.h"
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#include "ulp_riscv_print.h"
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#include "ulp_riscv_uart_ulp_core.h"
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#include "sdkconfig.h"
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static ulp_riscv_uart_t s_print_uart;
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int main (void)
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{
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ulp_riscv_uart_cfg_t cfg = {
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.tx_pin = CONFIG_EXAMPLE_UART_TXD,
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};
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ulp_riscv_uart_init(&s_print_uart, &cfg);
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ulp_riscv_print_install((putc_fn_t)ulp_riscv_uart_putc, &s_print_uart);
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int cnt = 0;
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while(1) {
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ulp_riscv_print_str("Hello World from ULP-RISCV!\n");
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ulp_riscv_print_str("Cnt: 0x");
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ulp_riscv_print_hex(cnt);
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ulp_riscv_print_str("\n");
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cnt++;
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ulp_riscv_delay_cycles(1000 * ULP_RISCV_CYCLES_PER_MS);
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}
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}
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