| 1 | #include "MRI_Hooks.h" |
| 2 | |
| 3 | #include <sLPC17xx.h> |
| 4 | #include <mri.h> |
| 5 | |
| 6 | // This is used by MRI to turn pins on and off when entering and leaving MRI. Useful for not burning everything down |
| 7 | // See http://smoothieware.org/mri-debugging |
| 8 | |
| 9 | extern "C" { |
| 10 | static uint32_t _set_high_on_debug[5] = { |
| 11 | // (1 << 4) | (1 << 10) | (1 << 19) | (1 << 21), // smoothieboard stepper EN pins |
| 12 | 0, |
| 13 | 0, |
| 14 | 0, |
| 15 | 0, |
| 16 | 0 |
| 17 | }; |
| 18 | static uint32_t _set_low_on_debug[5] = { |
| 19 | 0, |
| 20 | 0, |
| 21 | // (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7), // smoothieboard heater outputs |
| 22 | 0, |
| 23 | 0, |
| 24 | 0 |
| 25 | }; |
| 26 | |
| 27 | static uint32_t _previous_state[5]; |
| 28 | |
| 29 | static LPC_GPIO_TypeDef* io; |
| 30 | static int i; |
| 31 | |
| 32 | void __mriPlatform_EnteringDebuggerHook() |
| 33 | { |
| 34 | for (i = 0; i < 5; i++) |
| 35 | { |
| 36 | io = (LPC_GPIO_TypeDef*) (LPC_GPIO_BASE + (0x20 * i)); |
| 37 | io->FIOMASK &= ~(_set_high_on_debug[i] | _set_low_on_debug[i]); |
| 38 | |
| 39 | _previous_state[i] = io->FIOPIN; |
| 40 | |
| 41 | io->FIOSET = _set_high_on_debug[i]; |
| 42 | io->FIOCLR = _set_low_on_debug[i]; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | void __mriPlatform_LeavingDebuggerHook() |
| 47 | { |
| 48 | for (i = 0; i < 5; i++) |
| 49 | { |
| 50 | io = (LPC_GPIO_TypeDef*) (LPC_GPIO_BASE + (0x20 * i)); |
| 51 | io->FIOMASK &= ~(_set_high_on_debug[i] | _set_low_on_debug[i]); |
| 52 | io->FIOSET = _previous_state[i] & (_set_high_on_debug[i] | _set_low_on_debug[i]); |
| 53 | io->FIOCLR = (~_previous_state[i]) & (_set_high_on_debug[i] | _set_low_on_debug[i]); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | void set_high_on_debug(int port, int pin) |
| 58 | { |
| 59 | if ((port >= 5) || (port < 0)) |
| 60 | return; |
| 61 | if ((pin >= 32) || (pin < 0)) |
| 62 | return; |
| 63 | _set_high_on_debug[port] |= (1<<pin); |
| 64 | } |
| 65 | |
| 66 | void set_low_on_debug(int port, int pin) |
| 67 | { |
| 68 | if ((port >= 5) || (port < 0)) |
| 69 | return; |
| 70 | if ((pin >= 32) || (pin < 0)) |
| 71 | return; |
| 72 | _set_low_on_debug[port] |= (1<<pin); |
| 73 | } |
| 74 | } |