99 lines
3.3 KiB
C
Executable File
99 lines
3.3 KiB
C
Executable File
/*
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* Copyright (C) 2019 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "string.h"
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#include "cmd_util.h"
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#include "sys/xr_debug.h"
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#include "driver/chip/hal_scr.h"
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static void scr_irq_callback(void *arg)
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{
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}
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/*
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* drv scr start f=<freq>
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*/
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static enum cmd_status cmd_scr_start_exec(char *cmd)
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{
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int cnt;
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uint32_t freq;
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SCR_InitParam g_scr_config;
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cnt = cmd_sscanf(cmd, "f=%u", &freq);
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if (cnt != 1) {
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return CMD_STATUS_INVALID_ARG;
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}
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if ((freq != 2000000) && (freq != 4000000) && (freq != 6000000)) {
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CMD_ERR("invalid frequence %u\n", freq);
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return CMD_STATUS_INVALID_ARG;
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}
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g_scr_config.mclk = freq;
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g_scr_config.fifo_thr = SCR_FIFO_DEPTH/2; //set the txfifo trigger level as half full
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g_scr_config.repeat_num = 3; //The maximum number of reposts is 3
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g_scr_config.act_time = 1; //1*256 clock cycle
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g_scr_config.rst_time = 1; //1*256 clock cycle
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g_scr_config.atr_time = (35000>>8); //400~40000, After RST is pulled up,IO should make the time limit of ATR
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g_scr_config.guard_time = 2; /* 2*ETUs, GT = 12etu + R * N/f, Default extra guard time is 0 */
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g_scr_config.char_limit = 9600; //1024 * (10 + g_scr_config.guard_time);
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g_scr_config.IRQCallback = scr_irq_callback;
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g_scr_config.arg = NULL;
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HAL_SCR_Init(&g_scr_config);
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while (1) {
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HAL_SCR_Process(&g_scr_config);
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}
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return CMD_STATUS_OK;
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}
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/*
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* drv scr stop
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*/
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static enum cmd_status cmd_scr_stop_exec(char *cmd)
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{
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HAL_SCR_DeInit();
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return CMD_STATUS_OK;
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}
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static struct cmd_data g_scr_cmds[] = {
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{ "start", cmd_scr_start_exec },
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{ "stop", cmd_scr_stop_exec },
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};
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enum cmd_status cmd_scr_exec(char *cmd)
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{
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return cmd_exec(cmd, g_scr_cmds, cmd_nitems(g_scr_cmds));
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}
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