Revision fc7151bb Target/Modules/LightRing_1-0/Boot/main.c
| Target/Modules/LightRing_1-0/Boot/main.c | ||
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| 46 | 46 |
****************************************************************************************/ |
| 47 | 47 |
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/**************************************************************************************** |
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* Function prototypes |
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* Function prototypes and static variables
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****************************************************************************************/ |
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static void Init(void); |
| 52 | 52 |
|
| ... | ... | |
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| 76 | 76 |
const blCallbackTable_t cbtable __attribute__ ((section ("_callback_table"))) = {
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| 77 | 77 |
.magicNumber = BL_MAGIC_NUMBER, |
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.vBootloader = {BL_VERSION_ID_AMiRoBLT_Beta, BL_VERSION_MAJOR, BL_VERSION_MINOR, 0},
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.vBootloader = {BL_VERSION_ID_AMiRoBLT_Beta, BL_VERSION_MAJOR, BL_VERSION_MINOR, 3},
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| 79 | 79 |
.vSSSP = {BL_VERSION_ID_SSSP, BL_SSSP_VERSION_MAJOR, BL_SSSP_VERSION_MINOR, 0},
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| 80 | 80 |
.vCompiler = {BL_VERSION_ID_GCC, __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__}, // currently only GCC is supported
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| 81 | 81 |
.cbShutdownHibernate = blCallbackShutdownHibernate, |
| ... | ... | |
| 257 | 257 |
/* enable clocks for CAN controller peripheral */ |
| 258 | 258 |
RCC->APB1ENR |= (blt_int32u)0x02000000; |
| 259 | 259 |
#endif |
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#if (BOOT_COM_UART_ENABLE > 0 || BOOT_GATE_UART_ENABLE > 0) |
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/* enable clocks for USART1 peripheral, transmitter and receiver pins (GPIOA and AFIO) */ |
| 262 | 263 |
RCC->APB2ENR |= (blt_int32u)(0x00004000 | 0x00000004 | 0x00000001); |
| ... | ... | |
| 344 | 345 |
gpio_init.GPIO_Speed = GPIO_Speed_50MHz; |
| 345 | 346 |
GPIO_Init(SYS_SYNC_N_GPIO, &gpio_init); |
| 346 | 347 |
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/* initialize SYS_UART_DN and let it go (inactive) */ |
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GPIO_SetBits(SYS_UART_DN_GPIO, SYS_UART_DN_PIN); |
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gpio_init.GPIO_Pin = SYS_UART_DN_PIN; |
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gpio_init.GPIO_Mode = GPIO_Mode_Out_OD; |
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gpio_init.GPIO_Speed = GPIO_Speed_50MHz; |
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GPIO_Init(SYS_UART_DN_GPIO, &gpio_init); |
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|
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/* |
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* INPUTS |
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*/ |
| ... | ... | |
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|
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/* wait for all boards to be ready for shutdown */ |
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GPIO_SetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
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// this must no be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition. |
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// this must not be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition.
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|
| 420 | 428 |
setLed(BLT_TRUE); |
| 421 | 429 |
waitForSignal(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN, Bit_SET); |
| 422 | 430 |
setLed(BLT_FALSE); |
| ... | ... | |
| 448 | 456 |
|
| 449 | 457 |
/* wait for all boards to be ready for shutdown */ |
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GPIO_SetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 451 |
// this must no be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition. |
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// this must not be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition.
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| 452 | 460 |
setLed(BLT_TRUE); |
| 453 | 461 |
waitForSignal(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN, Bit_SET); |
| 454 | 462 |
setLed(BLT_FALSE); |
| ... | ... | |
| 480 | 488 |
|
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/* wait for all boards to be ready for shutdown */ |
| 482 | 490 |
GPIO_SetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
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// this must no be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition. |
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// this must not be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition.
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setLed(BLT_TRUE); |
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waitForSignal(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN, Bit_SET); |
| 486 | 494 |
setLed(BLT_FALSE); |
| ... | ... | |
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return; |
| 503 | 511 |
} /*** end of shutdownToHibernate ***/ |
| 504 | 512 |
|
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/* |
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* Final shutdown of the system and restart. |
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*/ |
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void shutdownAndRestart(const blt_bool exec_disambiguation) {
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/* configure some criticpal GPIOs as input |
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* This is required, because otherwise some hardware might be powered through these signals */ |
| ... | ... | |
| 509 | 520 |
|
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/* wait for all boards to be ready for shutdown */ |
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GPIO_SetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
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// this must no be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition. |
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// this must not be skipped, since the pull-up voltage for SYS_SYNC_N (VIO3.3) must be configured at this point by definition.
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setLed(BLT_TRUE); |
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waitForSignal(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN, Bit_SET); |
| 515 | 526 |
setLed(BLT_FALSE); |
| ... | ... | |
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*/ |
| 534 | 545 |
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return; |
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} /*** end of shutdownAndRestart***/ |
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} /*** end of shutdownAndRestart ***/
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/* |
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* Configures some GPIO pins as inputs for safety reasons. |
| ... | ... | |
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// setLed(BLT_FALSE); |
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// } else if (currentTime < loopStartTime + 50+100+50) {
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// setLed(BLT_TRUE); |
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// } else if ( currentTime < loopStartTime + 50+100+50+300) {
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// } else if (currentTime < loopStartTime + 50+100+50+300) {
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// setLed(BLT_FALSE); |
| 607 | 618 |
// } else {
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// loopStartTime = currentTime; |
| ... | ... | |
| 636 | 647 |
GPIO_ResetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 637 | 648 |
GPIO_ResetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 638 | 649 |
|
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/* initialized the standalone timer */ |
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saTimerInit(); |
| 640 | 652 |
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setLed(BLT_TRUE); |
| ... | ... | |
| 659 | 671 |
GPIO_ResetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 660 | 672 |
GPIO_ResetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 661 | 673 |
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/* initialized the standalone timer */ |
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saTimerInit(); |
| 663 | 676 |
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setLed(BLT_TRUE); |
| ... | ... | |
| 681 | 694 |
GPIO_ResetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 682 | 695 |
GPIO_ResetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 683 | 696 |
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/* initialized the standalone timer */ |
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saTimerInit(); |
| 685 | 699 |
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| 686 | 700 |
setLed(BLT_TRUE); |
| ... | ... | |
| 703 | 717 |
GPIO_ResetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 704 | 718 |
GPIO_ResetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 705 | 719 |
|
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/* ensure that all modules had a chance to detect the pulse on SYS_PD_N */
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/* initialized the standalone timer */
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saTimerInit(); |
| 722 |
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setLed(BLT_TRUE); |
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/* deactivate SYS_PD_N and ensure that all modules had a chance to detect the falling edge */ |
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msleep(1); |
| 709 | 727 |
GPIO_SetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 710 | 728 |
msleep(1); |
| ... | ... | |
| 712 | 730 |
shutdownAndRestart(BLT_TRUE); |
| 713 | 731 |
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return; |
| 715 |
} /** end of blCallbackShutdownRestart ***/ |
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| 733 |
} /*** end of blCallbackShutdownRestart ***/
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|
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/* |
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* Callback function that handles a system shutdown/restart request from another module. |
| ... | ... | |
| 728 | 746 |
GPIO_ResetBits(SYS_SYNC_N_GPIO, SYS_SYNC_N_PIN); |
| 729 | 747 |
GPIO_ResetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 730 | 748 |
|
| 731 |
/* ensure that all modules had a chance to detect the pulse on SYS_PD_N */
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/* initialized the standalone timer */
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saTimerInit(); |
| 751 |
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setLed(BLT_TRUE); |
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/* deactivate SYS_PD_N and ensure that all modules had a chance to detect the falling edge */ |
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| 733 | 755 |
msleep(1); |
| 734 | 756 |
GPIO_SetBits(SYS_PD_N_GPIO, SYS_PD_N_PIN); |
| 735 | 757 |
msleep(1); |
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