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257 lines
7.3 KiB
257 lines
7.3 KiB
//
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// Created by MightyPork on 2017/12/02.
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//
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#include <platform/debug_uart.h>
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#include <comm/interfaces.h>
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#include "platform.h"
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#include "system_settings.h"
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#include "utils/str_utils.h"
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#include "platform/lock_jumper.h"
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#include "cfg_utils.h"
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#include "resources.h"
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#include "unit_base.h"
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static void systemsettings_mco_teardown(void);
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static void systemsettings_mco_init(void);
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/** Init/deinit debug uart */
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static void systemsettings_debug_uart_init_deinit(void);
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struct system_settings SystemSettings;
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/** Load defaults only */
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void systemsettings_loadDefaults(void)
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{
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SystemSettings.visible_vcom = true;
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SystemSettings.ini_comments = true;
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SystemSettings.enable_mco = false;
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SystemSettings.mco_prediv = 7;
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SystemSettings.use_comm_uart = false; // TODO configure those based on compile flags for a particular platform
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SystemSettings.use_comm_lora = false;
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SystemSettings.use_comm_nordic = false;
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SystemSettings.comm_uart_baud = 115200; // TODO
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SystemSettings.enable_debug_uart = true;
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}
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/** Load defaults and init flags */
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void systemsettings_init(void)
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{
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systemsettings_loadDefaults();
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// Flags
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SystemSettings.modified = false;
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LockJumper_CheckInitialState();
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}
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// to binary
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void systemsettings_save(PayloadBuilder *pb)
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{
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pb_char(pb, 'S');
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pb_u8(pb, 2); // settings format version
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{ // system settings
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pb_bool(pb, SystemSettings.visible_vcom);
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pb_bool(pb, SystemSettings.ini_comments);
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// 1
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pb_bool(pb, SystemSettings.enable_mco);
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pb_u8(pb, SystemSettings.mco_prediv);
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// 2
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pb_bool(pb, SystemSettings.use_comm_uart);
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pb_bool(pb, SystemSettings.use_comm_nordic);
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pb_bool(pb, SystemSettings.use_comm_lora);
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pb_u32(pb, SystemSettings.comm_uart_baud);
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pb_bool(pb, SystemSettings.enable_debug_uart);
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} // end system settings
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}
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void systemsettings_mco_teardown(void)
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{
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if (SystemSettings.enable_mco) {
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rsc_free(&UNIT_SYSTEM, R_PA8);
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LL_RCC_ConfigMCO(LL_RCC_MCO1SOURCE_NOCLOCK, 0);
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}
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}
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void systemsettings_mco_init(void)
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{
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if (SystemSettings.enable_mco) {
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assert_param(rsc_claim(&UNIT_SYSTEM, R_PA8) == E_SUCCESS);
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assert_param(E_SUCCESS == hw_configure_gpiorsc_af(R_PA8, LL_GPIO_AF_0));
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LL_RCC_ConfigMCO(LL_RCC_MCO1SOURCE_SYSCLK,
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SystemSettings.mco_prediv << RCC_CFGR_MCOPRE_Pos);
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} else {
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LL_RCC_ConfigMCO(LL_RCC_MCO1SOURCE_NOCLOCK, 0);
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}
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}
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void systemsettings_debug_uart_init_deinit(void)
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{
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if (SystemSettings.enable_debug_uart) {
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DebugUart_Init();
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} else {
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DebugUart_Teardown();
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}
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}
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/**
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* Begin load of system settings, releasing resources etc
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*/
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void systemsettings_begin_load(void)
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{
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systemsettings_mco_teardown();
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com_release_resources_for_alt_transfers();
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}
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/**
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* Claim resources and set up system components based on the loaded settings
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*/
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void systemsettings_finalize_load(void)
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{
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systemsettings_mco_init();
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systemsettings_debug_uart_init_deinit();
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com_claim_resources_for_alt_transfers();
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}
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// from binary
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bool systemsettings_load(PayloadParser *pp)
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{
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if (pp_char(pp) != 'S') return false;
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systemsettings_begin_load();
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uint8_t version = pp_u8(pp);
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{ // system settings
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SystemSettings.visible_vcom = pp_bool(pp);
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SystemSettings.ini_comments = pp_bool(pp);
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// conditional fields based on version
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if (version >= 1) {
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SystemSettings.enable_mco = pp_bool(pp);
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SystemSettings.mco_prediv = pp_u8(pp);
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}
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if (version >= 2) {
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SystemSettings.use_comm_uart = pp_bool(pp);
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SystemSettings.use_comm_nordic = pp_bool(pp);
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SystemSettings.use_comm_lora = pp_bool(pp);
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SystemSettings.comm_uart_baud = pp_u32(pp);
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SystemSettings.enable_debug_uart = pp_bool(pp);
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}
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} // end system settings
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systemsettings_finalize_load();
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return pp->ok;
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}
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/**
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* Write system settings to INI (without section)
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*/
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void systemsettings_build_ini(IniWriter *iw)
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{
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iw_section(iw, "SYSTEM");
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iw_comment(iw, "Data link accessible as virtual comport (Y, N)");
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iw_entry_s(iw, "expose-vcom", str_yn(SystemSettings.visible_vcom));
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iw_comment(iw, "Show comments in INI files (Y, N)");
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iw_entry_s(iw, "ini-comments", str_yn(SystemSettings.ini_comments));
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iw_comment(iw, "Enable debug UART-Tx on PA9 (Y, N)"); // TODO update if moved to a different pin
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iw_entry_s(iw, "debug-uart", str_yn(SystemSettings.enable_debug_uart));
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iw_cmt_newline(iw);
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iw_comment(iw, "Output core clock on PA8 (Y, N)");
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iw_entry_s(iw, "mco-enable", str_yn(SystemSettings.enable_mco));
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iw_comment(iw, "Output clock prediv (1,2,...,128)");
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iw_entry_d(iw, "mco-prediv", (1<<SystemSettings.mco_prediv));
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iw_cmt_newline(iw);
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iw_comment(iw, "Allowed fallback communication ports");
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iw_comment(iw, "UART Tx:PA2, Rx:PA2");
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iw_entry_s(iw, "com-uart", str_yn(SystemSettings.use_comm_uart));
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iw_entry_d(iw, "com-uart-baud", SystemSettings.comm_uart_baud);
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// those aren't implement yet, don't tease the user
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// TODO show pin-out, extra settings if applicable
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#if 0
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iw_comment(iw, "nRF24L01+");
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iw_entry_s(iw, "com-nordic", str_yn(SystemSettings.use_comm_nrf24l01p));
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iw_comment(iw, "LoRa/GFSK sx127x");
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iw_entry_s(iw, "com-lora", str_yn(SystemSettings.use_comm_sx127x));
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#endif
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}
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/**
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* Load system settings from INI kv pair
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*/
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bool systemsettings_load_ini(const char *restrict key, const char *restrict value)
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{
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bool suc = true;
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if (streq(key, "expose-vcom")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.visible_vcom = yn;
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}
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if (streq(key, "ini-comments")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.ini_comments = yn;
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}
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if (streq(key, "mco-enable")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.enable_mco = yn;
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}
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if (streq(key, "mco-prediv")) {
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int val = cfg_u8_parse(value, &suc);
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if (suc) {
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switch (val) {
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case 1: SystemSettings.mco_prediv = 0; break;
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case 2: SystemSettings.mco_prediv = 1; break;
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case 4: SystemSettings.mco_prediv = 2; break;
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case 8: SystemSettings.mco_prediv = 3; break;
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case 16: SystemSettings.mco_prediv = 4; break;
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case 32: SystemSettings.mco_prediv = 5; break;
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case 64: SystemSettings.mco_prediv = 6; break;
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default:
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case 128: SystemSettings.mco_prediv = 7; break;
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}
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}
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}
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if (streq(key, "debug-uart")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.enable_debug_uart = yn;
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}
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if (streq(key, "com-uart")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.use_comm_uart = yn;
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}
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if (streq(key, "com-uart-baud")) {
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uint32_t baud = cfg_u32_parse(value, &suc);
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if (suc) SystemSettings.comm_uart_baud = baud;
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}
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#if 0
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if (streq(key, "com-nordic")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.use_comm_nordic = yn;
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}
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if (streq(key, "com-lora")) {
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bool yn = cfg_bool_parse(value, &suc);
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if (suc) SystemSettings.use_comm_lora = yn;
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}
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#endif
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return suc;
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}
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