From 722d5509178fa5bdaa488fbbd9196f21377f8775 Mon Sep 17 00:00:00 2001 From: Ben Bridle Date: Mon, 18 Nov 2024 14:57:19 +1300 Subject: Initial commit --- arm7/source/main.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arm7/source/main.c (limited to 'arm7') diff --git a/arm7/source/main.c b/arm7/source/main.c new file mode 100644 index 0000000..78fd061 --- /dev/null +++ b/arm7/source/main.c @@ -0,0 +1,30 @@ +#include +#include + +// Send ARM7 input information (X, Y, touch, lid) to ARM9 via FIFO. +void vblank_handler(void) { + inputGetAndSend(); +} + +int main(void) { + readUserSettings(); // Read user settings from firmware + touchInit(); // Calibrate touch input from user settings + irqInit(); // Initialise ARM7 interrupts + fifoInit(); // Initialise FIFO system + installSoundFIFO(); // Install FIFO handler for sound + installSystemFIFO(); // Install FIFO handler for sleep mode + initClockIRQTimer(0); // Read RTC then update seconds with timer 0 + + // TODO: Consider writing a custom system FIFO handler to deal with + // the white screen flash when resuming from sleep. + + // Start sending input data to ARM9 on vblank. + irqSet(IRQ_VBLANK, vblank_handler); + irqEnable(IRQ_VBLANK); + + while (1) { + swiWaitForVBlank(); + } + + return 0; +} -- cgit v1.2.3-70-g09d2