Gigabeat S: Renovate bootloader a bit to show splash, implement verbose, shutdown on low battery, handle hold-switch-on and wait only so long for USB if a USB charger is inserted at boot instead of being connected to a host. 'Bootloader USB mode' display is just part of normal printf stream now. Move interrupt stacks into .bss area so they aren't loaded (for firmware too).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29099 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis
parent
5230362515
commit
863c03f2ae
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@ -8,6 +8,7 @@ ipod.c
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gigabeat.c
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#elif defined(GIGABEAT_S)
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gigabeat-s.c
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show_logo.c
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../firmware/target/arm/imx31/mmu-imx31.c
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#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || \
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defined(SANSA_E200) || defined(SANSA_C200) || \
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@ -45,7 +45,8 @@
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|| defined(SAMSUNG_YH925) || defined(SAMSUNG_YH920) \
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|| defined(SAMSUNG_YH820) || defined(PHILIPS_SA9200) \
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|| defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) \
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|| defined(ONDA_VX747) || defined(PBELL_VIBE500)
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|| defined(ONDA_VX747) || defined(PBELL_VIBE500) \
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|| defined(TOSHIBA_GIGABEAT_S)
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bool verbose = false;
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#else
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bool verbose = true;
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@ -30,6 +30,7 @@
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#include "dir.h"
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#include "disk.h"
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#include "common.h"
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#include "power.h"
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#include "backlight.h"
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#include "usb.h"
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#include "button.h"
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@ -38,6 +39,9 @@
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#include "usb-target.h"
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#include "version.h"
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/* Show the Rockbox logo - in show_logo.c */
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extern int show_logo(void);
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#define TAR_CHUNK 512
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#define TAR_HEADER_SIZE 157
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@ -51,67 +55,44 @@ static void * const load_buf = 0x00000000;
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static const size_t load_buf_size = 0x20000000 - 0x100000;
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static const void * const start_addr = 0x00000000;
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static void show_splash(int timeout, const char *msg)
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/* Show a message + "Shutting down...", then power off the device */
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static void display_message_and_power_off(int timeout, const char *msg)
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{
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backlight_on();
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reset_screen();
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lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
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(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
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lcd_update();
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verbose = true;
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printf(msg);
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printf("Shutting down...");
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sleep(timeout);
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power_off();
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}
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static bool pause_if_button_pressed(bool pre_usb)
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static void check_battery_safe(void)
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{
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while (1)
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{
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int button = button_read_device();
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if (battery_level_safe())
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return;
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if (pre_usb && !usb_plugged())
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return false;
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/* Exit if no button or only select buttons that have other
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* functions */
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switch (button)
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{
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case USB_BL_INSTALL_MODE_BTN:
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if (!pre_usb)
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break; /* Only before USB detect */
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case BUTTON_MENU: /* Settings reset */
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case BUTTON_NONE: /* Nothing pressed */
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return true;
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}
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sleep(HZ/5);
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/* If the disk powers off, the firmware will lock at startup */
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storage_spin();
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}
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display_message_and_power_off(HZ, "Battery low");
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}
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/* TODO: Handle charging while connected */
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static void handle_usb(void)
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static void handle_usb(int connect_timeout)
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{
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long end_tick = 0;
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int button;
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/* Check if plugged and pause to look at messages. If the cable was pulled
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* while waiting, proceed as if it never was plugged. */
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if (!usb_plugged() || !pause_if_button_pressed(true))
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return;
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/** Enter USB mode **/
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/* We need full button and backlight handling now */
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backlight_init();
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button_init();
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backlight_on();
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/* Start the USB driver */
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usb_init();
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usb_start_monitoring();
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/* Wait for threads to connect or cable is pulled */
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show_splash(HZ/2, "Waiting for USB");
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printf("USB: Connecting");
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if (connect_timeout != TIMEOUT_BLOCK)
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end_tick = current_tick + connect_timeout;
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while (1)
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{
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@ -120,35 +101,47 @@ static void handle_usb(void)
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if (button == SYS_USB_CONNECTED)
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break; /* Hit */
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if (connect_timeout != TIMEOUT_BLOCK &&
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TIME_AFTER(current_tick, end_tick))
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{
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/* Timed out waiting for the connect - will happen when connected
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* to a charger through the USB port */
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printf("USB: Timed out");
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break;
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}
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if (!usb_plugged())
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break; /* Cable pulled */
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}
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if (button == SYS_USB_CONNECTED)
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{
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/* Switch to verbose mode if not in it so that the status updates
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* are shown */
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verbose = true;
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/* Got the message - wait for disconnect */
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show_splash(0, "Bootloader USB mode");
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printf("Bootloader USB mode");
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usb_acknowledge(SYS_USB_CONNECTED_ACK);
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while (1)
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{
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button = button_get(true);
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button = button_get_w_tmo(HZ/2);
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if (button == SYS_USB_DISCONNECTED)
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break;
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check_battery_safe();
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}
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backlight_on();
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/* Sleep a little to let the backlight ramp up */
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sleep(HZ*5/4);
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}
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/* Put drivers initialized for USB connection into a known state */
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backlight_on();
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usb_close();
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button_close();
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backlight_close();
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/* Sleep a little to let the backlight ramp up */
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sleep(HZ*5/4);
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reset_screen();
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}
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static void untar(int tar_fd)
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@ -265,6 +258,7 @@ static void handle_untar(void)
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model[4] = 0;
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if (strcmp(model, "gigs") == 0)
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{
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verbose = true;
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printf("Found rockbox binary. Moving...");
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close(fd);
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remove( BOOTDIR "/" BOOTFILE);
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@ -283,6 +277,7 @@ static void handle_untar(void)
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tarstring[5] = 0;
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if (strcmp(tarstring, "ustar") == 0)
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{
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verbose = true;
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printf("Found tar file. Unarchiving...");
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lseek(fd, 0, SEEK_SET);
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untar(fd);
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@ -300,14 +295,27 @@ static void handle_untar(void)
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/* Try to load the firmware and run it */
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static void NORETURN_ATTR handle_firmware_load(void)
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{
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int rc = load_firmware(load_buf, BOOTFILE,
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load_buf_size);
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int rc = load_firmware(load_buf, BOOTFILE, load_buf_size);
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if(rc < 0)
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error(EBOOTFILE, rc, true);
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/* Pause to look at messages */
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pause_if_button_pressed(false);
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while (1)
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{
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int button = button_read_device();
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/* Ignore settings reset */
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if (button == BUTTON_NONE || button == BUTTON_MENU)
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break;
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sleep(HZ/5);
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check_battery_safe();
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/* If the disk powers off, the firmware will lock at startup */
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storage_spin();
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}
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/* Put drivers into a known state */
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button_close_device();
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@ -316,7 +324,7 @@ static void NORETURN_ATTR handle_firmware_load(void)
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if (rc == EOK)
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{
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cpucache_invalidate();
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cpucache_commit_discard();
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asm volatile ("bx %0": : "r"(start_addr));
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}
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@ -325,58 +333,55 @@ static void NORETURN_ATTR handle_firmware_load(void)
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core_idle();
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}
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static void check_battery(void)
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{
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int batt = battery_adc_voltage();
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printf("Battery: %d.%03d V", batt / 1000, batt % 1000);
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/* TODO: warn on low battery or shut down */
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}
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void main(void)
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{
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int rc;
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/* Flush and invalidate all caches (because vectors were written) */
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cpucache_invalidate();
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int batt;
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system_init();
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kernel_init();
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enable_interrupt(IRQ_FIQ_STATUS);
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lcd_init_device();
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/* Keep button_device_init early to delay calls to button_read_device */
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button_init_device();
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lcd_init();
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font_init();
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show_logo();
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lcd_clear_display();
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if (button_hold())
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display_message_and_power_off(HZ, "Hold switch on");
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if (button_read_device() != BUTTON_NONE)
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verbose = true;
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printf("Gigabeat S Rockbox Bootloader");
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printf("Version " RBVERSION);
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/* Initialize KPP so we can poll the button states */
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button_init_device();
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adc_init();
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check_battery();
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batt = battery_adc_voltage();
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printf("Battery: %d.%03d V", batt / 1000, batt % 1000);
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check_battery_safe();
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rc = storage_init();
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if(rc)
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{
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reset_screen();
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error(EATA, rc, true);
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}
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disk_init();
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rc = disk_mount_all();
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if (rc<=0)
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{
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if (rc <= 0)
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error(EDISK, rc, true);
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}
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printf("Init complete");
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/* Do USB first since a tar or binary could be added to the MTP directory
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* at the time and we can untar or move after unplugging. */
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handle_usb();
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if (usb_plugged())
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handle_usb(HZ*2);
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handle_untar();
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handle_firmware_load(); /* No return */
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}
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@ -298,7 +298,7 @@ remap_end:
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#endif
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/* Make memory coherent for devices */
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bl clean_dcache
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bl cpucache_commit_discard
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bl main
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@ -351,9 +351,13 @@ data_abort_handler:
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b UIE
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/* 256 words of IRQ stack */
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.space 256*4
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.section .bss
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.balign 32
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.space 256*4
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irq_stack:
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/* 256 words of FIQ stack */
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.space 256*4
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.section .bss
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.balign 32
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.space 256*4
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fiq_stack:
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