d47cccc157
+ Microarchitecture optimizations + 64-bit support + Xilinx FPGA support + LLVM-16 support + Refactoring and quality control fixes
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <vx_print.h>
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#include <vx_spawn.h>
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#include <vx_intrinsics.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "tinyprintf.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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const char* format;
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va_list* va;
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int ret;
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} printf_arg_t;
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typedef struct {
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int value;
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int base;
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} putint_arg_t;
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typedef struct {
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float value;
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int precision;
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} putfloat_arg_t;
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static void __putint_cb(const putint_arg_t* arg) {
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char tmp[33];
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float value = arg->value;
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int base = arg->base;
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itoa(value, tmp, base);
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for (int i = 0; i < 33; ++i) {
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int c = tmp[i];
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if (!c)
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break;
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vx_putchar(c);
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}
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}
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static void __putfloat_cb(const putfloat_arg_t* arg) {
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float value = arg->value;
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int precision = arg->precision;
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int ipart = (int)value;
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vx_putint(ipart, 10);
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if (precision != 0) {
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vx_putchar('.');
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float frac = value - (float)ipart;
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float fscaled = frac * pow(10, precision);
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vx_putint((int)fscaled, 10);
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}
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}
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static void __vprintf_cb(printf_arg_t* arg) {
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arg->ret = tiny_vprintf(arg->format, *arg->va);
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}
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void vx_putint(int value, int base) {
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putint_arg_t arg;
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arg.value = value;
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arg.base = base;
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vx_serial((vx_serial_cb)__putint_cb, &arg);
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}
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void vx_putfloat(float value, int precision) {
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putfloat_arg_t arg;
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arg.value = value;
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arg.precision = precision;
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vx_serial((vx_serial_cb)__putfloat_cb, &arg);
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}
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int vx_vprintf(const char* format, va_list va) {
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printf_arg_t arg;
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arg.format = format;
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arg.va = &va;
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vx_serial((vx_serial_cb)__vprintf_cb, &arg);
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return arg.ret;
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}
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int vx_printf(const char * format, ...) {
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int ret;
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va_list va;
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va_start(va, format);
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ret = vx_vprintf(format, va);
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va_end(va);
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return ret;
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}
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#ifdef __cplusplus
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}
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#endif
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