/*******************************************************************************
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* @note Copyright (C) 2023 Shanghai Panchip Microelectronics Co., Ltd. All rights reserved.
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*
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* @file sub_1g_port.c
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* @brief
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*
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* @history - V0.5, 2023-12-22
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*******************************************************************************/
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#include "sub_1g_port.h"
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#include "pan_spi.h"
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#include "pan_gpio.h"
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#define DELAY_1M __nop();__nop();__nop();__nop();__nop();__nop();__nop();__nop();__nop();__nop();//1.25M
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rf_port_t rf_port=
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{
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.antenna_init = rf_antenna_init,
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.tcxo_init = rf_tcxo_init,
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.set_tx = rf_antenna_tx,
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.set_rx = rf_antenna_rx,
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.antenna_close = rf_antenna_close,
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.tcxo_close = rf_tcxo_close,
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.spi_readwrite = spi_readwritebyte,
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.spi_cs_high = spi_cs_set_high,
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.spi_cs_low = spi_cs_set_low,
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.delayms = rf_delay_ms,
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.delayus = rf_delay_us,
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};
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/**
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* @brief spi_readwritebyte
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* @param[in] <tx_data> spi readwritebyte value
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* @return result
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*/
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uint8_t spi_readwritebyte(uint8_t wdata)
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{
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uint8_t i;
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uint8_t rdata = 0;
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for(i = 0; i < 8; i++)
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{
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SCK_LOW;
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DELAY_1M;
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if(wdata & 0x80)
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{
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SPI_DATA_HIGH;
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}
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else
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{
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SPI_DATA_LOW;
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}
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wdata <<= 1;
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DELAY_1M;
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SCK_HIGH;
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DELAY_1M;
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rdata <<= 1;
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if(SPI_MISO_LEVEL)
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{
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rdata |= 0x01;
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}
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}
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SCK_LOW;
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return rdata;
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}
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/**
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* @brief spi_cs_set_high
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* @param[in] <none>
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* @return none
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*/
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void spi_cs_set_high(void)
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{
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CSN_HIGH;
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}
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/**
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* @brief spi_cs_set_low
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* @param[in] <none>
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* @return none
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*/
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void spi_cs_set_low(void)
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{
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CSN_LOW;
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}
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/**
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* @brief rf_delay_ms
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* @param[in] <time> ms
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* @return none
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*/
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void rf_delay_ms(uint32_t time)
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{
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SYS_delay_10nop(SystemCoreClock / 10000 * time);
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}
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/**
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* @brief rf_delay_us
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* @param[in] <time> us
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* @return none
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*/
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void rf_delay_us(uint32_t time)
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{
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SYS_delay_10nop(SystemCoreClock / 1000000 * time / 10);
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}
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/**
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* @brief do rf TX/RX IO to initialize
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* @param[in] <none>
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* @return none
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*/
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void rf_antenna_init(void)
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{
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rf_set_gpio_output(MODULE_GPIO_RX);
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rf_set_gpio_output(MODULE_GPIO_TX);
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rf_set_gpio_input(MODULE_GPIO_CAD_IRQ);
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rf_set_gpio_state(MODULE_GPIO_RX, 0);
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rf_set_gpio_state(MODULE_GPIO_TX, 0);
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rf_set_gpio_state(MODULE_GPIO_CAD_IRQ, 0);
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}
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/**
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* @brief do rf XTAL IO to initialize
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* @param[in] <none>
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* @return none
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*/
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void rf_tcxo_init(void)
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{
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// rf_set_gpio_output(MODULE_GPIO_TCXO);
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// rf_set_gpio_state(MODULE_GPIO_TCXO, 1);
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}
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/**
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* @brief close rf XTAL IO
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* @param[in] <none>
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* @return none
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*/
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void rf_tcxo_close(void)
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{
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// rf_set_gpio_output(MODULE_GPIO_TCXO);
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// rf_set_gpio_state(MODULE_GPIO_TCXO, 0);
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}
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/**
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* @brief change rf IO to rx
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* @param[in] <none>
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* @return none
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*/
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void rf_antenna_rx(void)
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{
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rf_set_gpio_state(MODULE_GPIO_TX, 0);
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rf_set_gpio_state(MODULE_GPIO_RX, 1);
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}
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/**
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* @brief change rf IO to tx
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* @param[in] <none>
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* @return none
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*/
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void rf_antenna_tx(void)
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{
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rf_set_gpio_state(MODULE_GPIO_RX, 0);
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rf_set_gpio_state(MODULE_GPIO_TX, 1);
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}
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/**
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* @brief change rf IO to close
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* @param[in] <none>
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* @return none
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*/
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void rf_antenna_close(void)
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{
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rf_set_gpio_state(MODULE_GPIO_TX, 0);
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rf_set_gpio_state(MODULE_GPIO_RX, 0);
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}
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