YACWC

2026-08-31 22:43:51 -04:00
commit c87308caca
521 changed files with 141326 additions and 0 deletions
@@ -0,0 +1,141 @@
+/*
+ * File:   rfm69.h
+ * Author: thebears
+ *
+ * Created on December 11, 2024, 2:05 PM
+ */
+#include "defines.h"
+#include "spi.h"
+#include "states.h"
+#include "uart.h"
+#include <avr/io.h>
+#include <stdbool.h>
+#include <string.h>
+#include <util/delay.h>
+#ifndef RFM69_H
+#define RFM69_H
+
+#define MODE_NOT_READY !(spi_read_rfm69_rt(REG_IRQ_FLAGS1) & VAL_IRQ_FLAGS1_MODEREADY)
+#define RX_PAYLOAD_READY spi_read_rfm69_rt(REG_IRQ_FLAGS2) & VAL_IRQ_FLAGS2_RX_PAYLOADREADY
+#define RX_PAYLOAD_NOT_READY !(RX_PAYLOAD_READY)
+#define TX_NOT_SENT !(spi_read_rfm69_rt(REG_IRQ_FLAGS2) & VAL_IRQ_FLAGS2_TX_SENT)
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define REG_FIFO 0x00
+#define REG_FREQ_MSB 0x07
+#define REG_FREQ_MIDDLE_SB 0x08
+#define REG_FREQ_LSB 0x09
+#define REG_FIFO_THRESH 0x3c
+#define REG_TEST_DAGC 0x6f
+#define REG_SYNC_CONFIG 0x2e
+#define REG_SYNC_VALUE_1 0x2f
+#define REG_OP_MODE 0x01
+#define REG_DATA_MODUL 0x02
+#define REG_BITRATE_MSB 0x03
+#define REG_BITRATE_LSB 0x04
+#define REG_FDEV_MSB 0x06
+#define REG_FDEV_LSB 0x06
+#define REG_RX_BW 0x19
+#define REG_AFC_BW 0x1A
+#define REG_PACKET_CONFIG_1 0x37
+#define REG_PREAMBLE_MSB 0x2C
+#define REG_PREAMBLE_LSB 0x2D
+#define REG_PA_LEVEL 0x11
+#define REG_TEST_PA1 0x5A
+#define REG_TEST_PA2 0x5C
+#define REG_IRQ_FLAGS1 0x27
+#define REG_IRQ_FLAGS2 0x28
+#define REG_RSSI_VALUE 0x24
+
+#define REG_FREQ_DEV_MSB 0x05
+#define VAL_FREQ_DEV_MSB 0x10
+
+#define VAL_TEST_DAGC_DEFAULT 0x30
+#define VAL_DATA_PACKET_MODE 0x00
+
+#define VAL_BITRATE_250kbps_MSB 0x00
+#define VAL_BITRATE_250kbps_LSB 0x80
+
+#define VAL_DATA_MODUL_OOK 0x01
+#define VAL_TX_START_FIFO_NOT_EMPTY 0x80
+#define VAL_FIFO_LEVEL_INTERRUPT 0x0f
+
+#define VAL_IRQ_FLAGS1_MODEREADY 0x80
+#define VAL_IRQ_FLAGS2_TX_SENT 0x08
+#define VAL_IRQ_FLAGS2_RX_PAYLOADREADY 0x04
+#define VAL_OPMODE_MASK 0x1c
+#define VAL_OPMODE_SLEEP 0x00
+#define VAL_OPMODE_STDBY 0x04
+#define VAL_OPMODE_TX 0x0c
+#define VAL_OPMODE_RX 0x10
+#define VAL_SYNCWORDS_ON 0x80
+#define VAL_SYNCWORDS_SIZE_2_BYTES 0x08
+#define VAL_PACKET_VARIABLE_LENGTH 0x80
+#define VAL_PACKET_WHITENING 0x40
+#define VAL_PACKET_CRCON 0x10
+
+#define VAL_PA_PA1_ON 0x40
+#define VAL_PA_PA2_ON 0x20
+#define VAL_PA_20dB 0x1F
+
+#define VAL_PALEVEL_PA1_ON 0x40
+#define VAL_PALEVEL_PA2_ON 0x20
+#define VAL_PALEVEL_PA1_OUTPUTPOWER 0x1f
+
+#define VAL_TEST_PA1_NORMAL 0x55
+#define VAL_TEST_PA2_NORMAL 0x70
+
+#define VAL_TEST_PA1_BOOST 0x5d
+#define VAL_TEST_PA2_BOOST 0x7c
+
+#define RFM69_SPI_WRITE 0x80
+
+// Target frequency is 433 MHz.
+// Equation is 32MHz/2^19 = 61.03515625.  433 MHz/61.03515625 = 7,094,272
+// 7,094,272 = 01101100 01000000 00000000 = 0x6C 0x40 0x00
+
+// Target frequency is 434.0 MHz.
+// Equation is 32MHz/2^19 = 61.03515625.  434 MHz/61.03515625 = 7,110,656
+// 7,110,656 = 01101100 01000000 00000000 = 0x6C 0x80 0x00
+#define VAL_FREQ_433MHz_MSB 0x6c
+#define VAL_FREQ_433MHz_MID_SB 0x80
+#define VAL_FREQ_433MHz_LSB 0x00
+
+DATA_SEND_STATUS send_message(tx_rx_data_struct tx_data);
+void rfm69_set_state(bool state);
+
+uint8_t spi_read_rfm69_rt(uint8_t reg);
+uint8_t spi_write_rfm69_rt(uint8_t reg, uint8_t val);
+uint8_t spi_write_rfm69_multiple_rt(uint8_t reg, const char* vals, uint8_t len);
+void set_rfm69_power_amp_boost();
+void set_rfm69_power_amp_normal();
+tx_rx_data_struct rfm69_read_msg();
+void reset_txrx_struct(tx_rx_data_struct* s);
+void rfm69_write_msg(tx_rx_data_struct txrxd);
+void set_rfm69_mode(uint8_t mode);
+void wait_rfm69_mode_ready();
+void set_rfm69_tx_mode();
+void wait_tx_sent();
+void wait_rx_payload_ready();
+void reset_rfm69();
+void set_rfm69_rx_mode();
+void set_rfm69_standby();
+void set_rfm69_sleep();
+void set_rfm69_idle();
+void set_rfm69_tx_power();
+void rfm69_init();
+bool wait_rx_payload_ready_timeout(uint16_t attempts);
+uint8_t hash(const char* str, uint8_t min, uint8_t max);
+uint32_t hash_3bytes(unsigned const char* str, uint8_t str_len);
+void uart_print_tx_rx_data(tx_rx_data_struct tx_rx_print);
+
+tx_rx_data_struct generate_wheel_counts_message(
+    identifier_results idd, time_struct time, uint16_t battery_value, volatile uint16_t counts[15]);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RFM69_H */