132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
// BSP mapping functions
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#include "BSP.h"
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#include "I2C_Wrapper.hpp"
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#include "Pins.h"
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#include "Setup.h"
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#include "gd32vf103_timer.h"
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#include "history.hpp"
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#include "main.hpp"
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#include <IRQ.h>
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const uint16_t powerPWM = 255;
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const uint8_t holdoffTicks = 25; // delay of 7 ms
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const uint8_t tempMeasureTicks = 25;
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uint16_t totalPWM; // htim2.Init.Period, the full PWM cycle
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// 2 second filter (ADC is PID_TIM_HZ Hz)
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history<uint16_t, PID_TIM_HZ> rawTempFilter = { { 0 }, 0, 0 };
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void resetWatchdog() {
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fwdgt_counter_reload();
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}
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uint16_t getTipInstantTemperature() {
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volatile uint16_t sum = 0; // 12 bit readings * 8*2 -> 16 bits
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for (int i = 0; i < 4; i++) {
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sum += adc_inserted_data_read(ADC0, i);
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sum += adc_inserted_data_read(ADC1, i);
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}
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return sum; // 8x over sample
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}
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uint16_t getTipRawTemp(uint8_t refresh) {
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if (refresh) {
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uint16_t lastSample = getTipInstantTemperature();
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rawTempFilter.update(lastSample);
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return lastSample;
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} else {
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return rawTempFilter.average();
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}
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}
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uint16_t getHandleTemperature() {
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#ifdef TEMP_TMP36
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// We return the current handle temperature in X10 C
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// TMP36 in handle, 0.5V offset and then 10mV per deg C (0.75V @ 25C for
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// example) STM32 = 4096 count @ 3.3V input -> But We oversample by 32/(2^2) =
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// 8 times oversampling Therefore 32768 is the 3.3V input, so 0.1007080078125
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// mV per count So we need to subtract an offset of 0.5V to center on 0C
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// (4964.8 counts)
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//
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int32_t result = getADC(0);
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result -= 4965; // remove 0.5V offset
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// 10mV per C
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// 99.29 counts per Deg C above 0C
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result *= 100;
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result /= 993;
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return result;
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#else
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#error
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#endif
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}
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uint16_t getInputVoltageX10(uint16_t divisor, uint8_t sample) {
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static uint8_t preFillneeded = 10;
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static uint32_t samples[BATTFILTERDEPTH];
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static uint8_t index = 0;
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if (preFillneeded) {
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for (uint8_t i = 0; i < BATTFILTERDEPTH; i++)
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samples[i] = getADC(1);
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preFillneeded--;
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}
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if (sample) {
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samples[index] = getADC(1);
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index = (index + 1) % BATTFILTERDEPTH;
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}
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uint32_t sum = 0;
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for (uint8_t i = 0; i < BATTFILTERDEPTH; i++)
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sum += samples[i];
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sum /= BATTFILTERDEPTH;
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if (divisor == 0) {
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divisor = 1;
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}
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return sum * 4 / divisor;
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}
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void unstick_I2C() {
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/* configure SDA/SCL for GPIO */
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GPIO_BC(GPIOB) |= SDA_Pin | SCL_Pin;
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gpio_init(SDA_GPIO_Port, GPIO_MODE_OUT_OD, GPIO_OSPEED_50MHZ, SDA_Pin | SCL_Pin);
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for (int i = 0; i < 8; i++) {
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asm("nop");
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asm("nop");
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asm("nop");
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asm("nop");
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asm("nop");
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GPIO_BOP(GPIOB) |= SCL_Pin;
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asm("nop");
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asm("nop");
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asm("nop");
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asm("nop");
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asm("nop");
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GPIO_BOP(GPIOB) &= SCL_Pin;
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}
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/* connect PB6 to I2C0_SCL */
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/* connect PB7 to I2C0_SDA */
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gpio_init(SDA_GPIO_Port, GPIO_MODE_AF_OD, GPIO_OSPEED_50MHZ, SDA_Pin | SCL_Pin);
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}
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uint8_t getButtonA() {
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return (gpio_input_bit_get(KEY_A_GPIO_Port, KEY_A_Pin) == SET) ? 1 : 0;
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}
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uint8_t getButtonB() {
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return (gpio_input_bit_get(KEY_B_GPIO_Port, KEY_B_Pin) == SET) ? 1 : 0;
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}
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void reboot() {
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// Spin for watchdog
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for (;;) {
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}
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}
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void delay_ms(uint16_t count) {
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delay_1ms(count);
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}
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uint32_t __get_IPSR(void) {
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return 0; // To shut-up CMSIS
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}
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