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-rw-r--r--SConstruct8
m---------laks0
-rw-r--r--main.cpp335
3 files changed, 136 insertions, 207 deletions
diff --git a/SConstruct b/SConstruct
index 0c60496..10067f9 100644
--- a/SConstruct
+++ b/SConstruct
@@ -6,10 +6,6 @@ env = Environment(
SConscript('laks/build_rules')
-env.SelectMCU('stm32f303rc')
+env.SelectMCU('stm32f103vb')
-env.Firmware('arcin.elf', ['main.cpp'], LINK_SCRIPT = 'arcin.ld')
-
-env.Firmware('bootloader.elf', ['bootloader.cpp'], LINK_SCRIPT = 'bootloader.ld')
-
-env.Firmware('test.elf', ['test.cpp'])
+env.Firmware('arcin.elf', ['main.cpp'])
diff --git a/laks b/laks
-Subproject 043e8eb4929ca2078bba9aab3ca763beb429f23
+Subproject f204350c8b4007f78fe27026740d519ab360ded
diff --git a/main.cpp b/main.cpp
index 2e87119..8989fe9 100644
--- a/main.cpp
+++ b/main.cpp
@@ -7,149 +7,11 @@
#include <usb/descriptor.h>
#include <usb/hid.h>
-static uint32_t& reset_reason = *(uint32_t*)0x10000000;
-
-static bool do_reset_bootloader;
-
-void reset_bootloader() {
- reset_reason = 0xb007;
- SCB.AIRCR = (0x5fa << 16) | (1 << 2); // SYSRESETREQ
-}
-
auto report_desc = gamepad(
// Inputs.
- buttons(11),
- padding_in(5),
-
- usage_page(UsagePage::Desktop),
- usage(DesktopUsage::X),
- logical_minimum(0),
- logical_maximum(255),
- report_count(1),
- report_size(8),
- input(0x02),
-
- usage_page(UsagePage::Desktop),
- usage(DesktopUsage::Y),
- logical_minimum(0),
- logical_maximum(255),
- report_count(1),
- report_size(8),
- input(0x02),
-
- // Outputs.
- usage_page(UsagePage::Ordinal),
- usage(1),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(2),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(3),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(4),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(5),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(6),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(7),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(8),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(9),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(10),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- usage_page(UsagePage::Ordinal),
- usage(11),
- collection(Collection::Logical,
- usage_page(UsagePage::LED),
- usage(0x4b),
- report_size(1),
- report_count(1),
- output(0x02)
- ),
-
- padding_out(5),
+ buttons(64),
+ // Feature.
usage_page(0xff55),
usage(0xb007),
logical_minimum(0),
@@ -175,31 +37,18 @@ desc_t report_desc_p = {sizeof(report_desc), (void*)&report_desc};
static Pin usb_dm = GPIOA[11];
static Pin usb_dp = GPIOA[12];
-static Pin usb_pu = GPIOA[15];
static PinArray button_inputs = GPIOB.array(0, 10);
static PinArray button_leds = GPIOC.array(0, 10);
-static Pin qe1a = GPIOA[0];
-static Pin qe1b = GPIOA[1];
-static Pin qe2a = GPIOA[6];
-static Pin qe2b = GPIOA[7];
-
-static Pin led1 = GPIOA[8];
-static Pin led2 = GPIOA[9];
-
USB_f1 usb(USB, dev_desc_p, conf_desc_p);
-uint32_t last_led_time;
-
class HID_arcin : public USB_HID {
public:
HID_arcin(USB_generic& usbd, desc_t rdesc) : USB_HID(usbd, rdesc, 0, 1, 64) {}
protected:
virtual bool set_output_report(uint32_t* buf, uint32_t len) {
- last_led_time = Time::time();
- button_leds.set(*buf);
return true;
}
@@ -213,7 +62,7 @@ class HID_arcin : public USB_HID {
return true;
case 0x10: // Reset to bootloader
- do_reset_bootloader = true;
+ //do_reset_bootloader = true;
return true;
default:
@@ -294,11 +143,112 @@ class USB_strings : public USB_class_driver {
USB_strings usb_strings(usb);
struct report_t {
- uint16_t buttons;
- uint8_t axis_x;
- uint8_t axis_y;
+ uint64_t buttons;
} __attribute__((packed));
+enum io_t : uint8_t {A, B, C, D, E};
+
+struct mapping_t {
+ io_t io;
+ uint8_t n;
+};
+
+const mapping_t map[][4] {
+ {
+ {E, 2},
+ {E, 4},
+ {E, 3},
+ {E, 5},
+ }, {
+ {C, 3},
+ {C, 1},
+ {C, 2},
+ {C, 0},
+ }, {
+ {A, 0},
+ {A, 2},
+ {A, 1},
+ {A, 3},
+ }, {
+ {A, 7},
+ {A, 5},
+ {A, 6},
+ {A, 4},
+ }, {
+ {B, 0},
+ {C, 5},
+ {B, 1},
+ {C, 4},
+ }, {
+ {E, 9},
+ {E, 7},
+ {E, 8},
+ {B, 2},
+ }, {
+ {E, 13},
+ {E, 11},
+ {E, 12},
+ {E, 10},
+ }, {
+ {B, 11},
+ {E, 15},
+ {B, 10},
+ {E, 14},
+ }, {
+ {B, 15},
+ {B, 13},
+ {B, 14},
+ {B, 12},
+ }, {
+ {D, 8},
+ {D, 10},
+ {D, 9},
+ {D, 11},
+ }, {
+ {D, 15},
+ {D, 13},
+ {D, 14},
+ {D, 12},
+ }, {
+ {C, 9},
+ {C, 7},
+ {C, 8},
+ {C, 6},
+ }, {
+ {D, 0},
+ {D, 2},
+ {D, 1},
+ {D, 3},
+ }, {
+ {D, 4},
+ {D, 6},
+ {D, 5},
+ {D, 7},
+ }, {
+ {B, 8},
+ {E, 0},
+ {B, 9},
+ {E, 1},
+ }, {
+ {A, 8},
+ {C, 10},
+ {A, 9},
+ {C, 11},
+ }
+};
+
+uint32_t bit(uint32_t w, uint32_t n) {
+ return w & (1 << n) ? 0 : 1;
+}
+
+GPIO_t* gpios[] = {
+ &GPIOA,
+ &GPIOB,
+ &GPIOC,
+ &GPIOD,
+ &GPIOE,
+};
+
int main() {
rcc_init();
@@ -309,69 +259,52 @@ int main() {
RCC.enable(RCC.GPIOA);
RCC.enable(RCC.GPIOB);
RCC.enable(RCC.GPIOC);
+ RCC.enable(RCC.GPIOD);
+ RCC.enable(RCC.GPIOE);
+ /*
usb_dm.set_mode(Pin::AF);
usb_dm.set_af(14);
usb_dp.set_mode(Pin::AF);
usb_dp.set_af(14);
+ */
RCC.enable(RCC.USB);
usb.init();
- usb_pu.set_mode(Pin::Output);
- usb_pu.on();
-
- button_inputs.set_mode(Pin::Input);
- button_inputs.set_pull(Pin::PullUp);
-
- button_leds.set_mode(Pin::Output);
-
- led1.set_mode(Pin::Output);
- led1.on();
-
- led2.set_mode(Pin::Output);
- led2.on();
-
- RCC.enable(RCC.TIM2);
- RCC.enable(RCC.TIM3);
-
- TIM2.CCMR1 = (1 << 8) | (1 << 0);
- TIM2.CCER = 1 << 1;
- TIM2.SMCR = 3;
- TIM2.CR1 = 1;
-
- TIM3.CCMR1 = (1 << 8) | (1 << 0);
- TIM3.CCER = 1 << 1;
- TIM3.SMCR = 3;
- TIM3.CR1 = 1;
-
- qe1a.set_af(1);
- qe1b.set_af(1);
- qe1a.set_mode(Pin::AF);
- qe1b.set_mode(Pin::AF);
-
- qe2a.set_af(2);
- qe2b.set_af(2);
- qe2a.set_mode(Pin::AF);
- qe2b.set_mode(Pin::AF);
+ for(uint32_t i = 0; i < 16; i++) {
+ for(uint32_t j = 0; j < 4; j++) {
+ auto& m = map[i][j];
+
+ (*gpios[m.io])[m.n].set_mode(Pin::InputPull);
+ (*gpios[m.io])[m.n].on();
+ }
+ }
while(1) {
usb.process();
- uint16_t buttons = button_inputs.get() ^ 0x7ff;
+ uint32_t inputs[] = {
+ GPIOA.reg.IDR,
+ GPIOB.reg.IDR,
+ GPIOC.reg.IDR,
+ GPIOD.reg.IDR,
+ GPIOE.reg.IDR,
+ };
- if(do_reset_bootloader) {
- Time::sleep(10);
- reset_bootloader();
- }
+ uint64_t buttons = 0;
- if(Time::time() - last_led_time > 1000) {
- button_leds.set(buttons);
+ for(uint32_t i = 0; i < 16; i++) {
+ for(uint32_t j = 0; j < 4; j++) {
+ auto& m = map[i][j];
+
+ buttons |= bit(inputs[m.io], m.n) << i;
+ }
}
if(usb.ep_ready(1)) {
- report_t report = {buttons, uint8_t(TIM2.CNT), uint8_t(TIM3.CNT)};
+ report_t report = {buttons};
usb.write(1, (uint32_t*)&report, sizeof(report));
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 21:41:21 +0100