Перенос на новую организацию GONEC
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//
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// Created by cfif on 28.09.22.
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//
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#ifndef SPIPORT_ARTERY_H
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#define SPIPORT_ARTERY_H
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#include "SpiPort.h"
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#include CMSIS_device_header
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#include "cmsis_os2.h"
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#include "GpioPinInterface.h"
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typedef struct {
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spi_type *spi;
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//решение на случай одного чипа на шине
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tGpioPin *chipSelect;
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} tSpiPortArtery;
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tSpiPortArtery vSpiPortInit(
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spi_type *spi,
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spi_frame_bit_num_type spiFrameBit,
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spi_mclk_freq_div_type mclkDIV,
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spi_clock_polarity_type clockPolarity,
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spi_clock_phase_type clockPhase,
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crm_periph_clock_type spiClock,
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tGpioPin *chipSelect
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);
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#define vSpiPortInitName(NAME, spiFrameBit, mclkDIV, clockPolarity, clockPhase, CS) \
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vSpiPortInit(NAME, spiFrameBit, mclkDIV, clockPolarity, clockPhase, CRM_##NAME##_PERIPH_CLOCK, CS)
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tSpiPortIO vSpiPortGetIo(tSpiPortArtery *env);
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#endif //SPIPORT_ARTERY_H
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//
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// Created by cfif on 16.09.22.
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//
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#include <SystemDelayInterface.h>
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#include "SpiPortArtery.h"
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tSpiPortArtery vSpiPortInit(
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spi_type *spi,
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spi_frame_bit_num_type spiFrameBit,
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spi_mclk_freq_div_type mclkDIV,
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spi_clock_polarity_type clockPolarity,
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spi_clock_phase_type clockPhase,
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crm_periph_clock_type spiClock,
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tGpioPin *chipSelect
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) {
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spi_i2s_reset(spi);
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spi_init_type spi_init_struct;
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crm_periph_clock_enable(spiClock, TRUE);
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spi_default_para_init(&spi_init_struct);
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spi_init_struct.transmission_mode = SPI_TRANSMIT_FULL_DUPLEX;
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spi_init_struct.master_slave_mode = SPI_MODE_MASTER;
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spi_init_struct.mclk_freq_division = mclkDIV;
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spi_init_struct.first_bit_transmission = SPI_FIRST_BIT_MSB;
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spi_init_struct.frame_bit_num = spiFrameBit;
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// spi_init_struct.clock_polarity = SPI_CLOCK_POLARITY_LOW;
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// spi_init_struct.clock_phase = SPI_CLOCK_PHASE_1EDGE;
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spi_init_struct.clock_polarity = clockPolarity;
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spi_init_struct.clock_phase = clockPhase;
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spi_crc_polynomial_set(spi, 7);
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spi_crc_enable(spi, TRUE);
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spi_init_struct.cs_mode_selection = SPI_CS_SOFTWARE_MODE;
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spi_init(spi, &spi_init_struct);
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spi_enable(spi, TRUE);
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tSpiPortArtery spiPort = {
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.spi = spi,
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.chipSelect = chipSelect
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};
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return spiPort;
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}
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static uint16_t vSpiPortReceive(tSpiPortArtery *env, uint16_t *data, uint32_t timeout) {
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uint16_t received = 0;
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uint32_t endMs = SystemGetMs() + timeout;
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while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
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// В буфере приемника еcть данные
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if (spi_i2s_flag_get(env->spi, SPI_I2S_RDBF_FLAG)) {
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*data = spi_i2s_data_receive(env->spi);
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++received;
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break;
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}
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}
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return received;
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}
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static uint16_t vSpiPortTransmit(tSpiPortArtery *env, uint16_t *data, uint32_t timeout) {
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uint16_t sent = 0;
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uint32_t endMs = SystemGetMs() + timeout;
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while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
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// Буфер передатчика пуст
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if (spi_i2s_flag_get(env->spi, SPI_I2S_TDBE_FLAG)) {
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spi_i2s_data_transmit(env->spi, *data);
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++sent;
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break;
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}
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}
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return sent;
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}
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static bool vSpiPortSovTransmit(tSpiPortArtery *env, const uint16_t *data, uint32_t timeout) {
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uint32_t endMs = SystemGetMs() + timeout;
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while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
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// Буфер передатчика пуст
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if (spi_i2s_flag_get(env->spi, SPI_I2S_TDBE_FLAG)) {
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spi_i2s_data_transmit(env->spi, *data);vSpiPortReceive (env,data,timeout);
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return true;
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}
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}
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return false;
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}
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static bool vSpiPortSovReceive(tSpiPortArtery *env, uint16_t *data, uint32_t timeout) {
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uint32_t endMs = SystemGetMs() + timeout;
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vSpiPortTransmit (env,data,timeout);
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while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
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// В буфере приемника еcть данные
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if (spi_i2s_flag_get(env->spi, SPI_I2S_RDBF_FLAG)) {
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*data = spi_i2s_data_receive(env->spi);
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return true;
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}
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}
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return false;
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}
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//простая реализация chipSelect для одного утройства на шине
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static bool vSpiPortChipSelectMono(tSpiPortArtery *env, uint32_t timeout) {
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GpioPinEnable(env->chipSelect);
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return true;
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}
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static bool vSpiPortChipReleaseMono(tSpiPortArtery *env, uint32_t timeout) {
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GpioPinDisable(env->chipSelect);
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return true;
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}
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tSpiPortIO vSpiPortGetIo(tSpiPortArtery *env) {
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tSpiPortIO io = {
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.env = env,
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.receive = (SpiPortIOTransaction) vSpiPortSovReceive,
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.transmit = (SpiPortIOTransaction) vSpiPortSovTransmit,
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.chipSelect =(SpiPortChipArbitrage) vSpiPortChipSelectMono,
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.chipRelease =(SpiPortChipArbitrage) vSpiPortChipReleaseMono
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};
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return io;
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}
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@ -0,0 +1,22 @@
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{
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"dep": [
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{
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"type": "git",
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"provider": "GONEC",
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"repo": "SpiPort"
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},
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{
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"type": "git",
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"provider": "GONEC",
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"repo": "SystemDelayInterface"
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}
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],
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"cmake": {
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"inc_dirs": [
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"Inc"
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],
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"srcs": [
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"Src/**.c"
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]
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}
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}
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