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Update main.c (#7)

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back to 200mhz
remove SRAM powerdown, abal1000x says, it spoils sleep
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rehius 2023-09-09 08:32:07 +00:00 committed by GitHub
parent 1a39e9b46d
commit d2fae0f934
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4 changed files with 6 additions and 16 deletions
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6
config.h
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@ -1,10 +1,10 @@
#include "hardware/flash.h" #include "hardware/flash.h"
#define OFFSET_DIV 10 #define OFFSET_DIV 10
#define OFFSET_MIN 9200 #define OFFSET_MIN 6200
#define OFFSET_MAX 10300 #define OFFSET_MAX 6900
#define VER_HI 2 #define VER_HI 2
#define VER_LO 74 #define VER_LO 75
bool is_configured(); bool is_configured();
void init_config(); void init_config();

4
main.c
View file

@ -21,10 +21,10 @@
bool write_payload(); bool write_payload();
// overclock to 300 MHz // overclock to 200 MHz
void init_system() { void init_system() {
vreg_set_voltage(VREG_VOLTAGE_1_30); vreg_set_voltage(VREG_VOLTAGE_1_30);
set_sys_clock_khz(300000, true); set_sys_clock_khz(200000, true);
} }
// filled within "fast check" on eMMC init // filled within "fast check" on eMMC init

10
misc.c
View file

@ -23,23 +23,13 @@ extern int ws_pio_offset;
#define GPIO_IE PADS_BANK0_GPIO0_IE_BITS #define GPIO_IE PADS_BANK0_GPIO0_IE_BITS
#define GPIO_OD_PD (GPIO_OD | PADS_BANK0_GPIO0_PDE_BITS) #define GPIO_OD_PD (GPIO_OD | PADS_BANK0_GPIO0_PDE_BITS)
#define PTR_SAFE_RAM4 (void*)0x20040200
typedef void nopar(); typedef void nopar();
void __not_in_flash_func(zzz)() { void __not_in_flash_func(zzz)() {
static bool not_first = 0;
if(!not_first)
{
not_first = 1;
memcpy(PTR_SAFE_RAM4, (void*)((uint32_t)zzz - 1), 0x200);
((nopar*)(PTR_SAFE_RAM4 + 1))();
}
*(uint32_t*)(0x4000803C + 0x3000) = 1; // go to 12 MHz *(uint32_t*)(0x4000803C + 0x3000) = 1; // go to 12 MHz
uint32_t * vreg = (uint32_t*)0x40064000; uint32_t * vreg = (uint32_t*)0x40064000;
vreg[1] &= ~1; // disable brownout vreg[1] &= ~1; // disable brownout
*(uint32_t*)0x40060000 = 0x00d1e000; // disable rosc *(uint32_t*)0x40060000 = 0x00d1e000; // disable rosc
*(uint32_t*)0x40004018 = 0xFF ^ (1 << 4); // disable SRAMs except ours
vreg[0] = 1; // lowest possible power vreg[0] = 1; // lowest possible power
*(uint32_t*)0x40024000 = 0x00d1e000; // disable xosc *(uint32_t*)0x40024000 = 0x00d1e000; // disable xosc
while(1); while(1);

2
pio_upload.c
View file

@ -44,7 +44,7 @@ void upload_pio()
dsniff_pio_offset = pio_add_program(pio1, &glitch_dat_waiter_program); dsniff_pio_offset = pio_add_program(pio1, &glitch_dat_waiter_program);
pio1->sm[G_DAT0_SM].shiftctrl = c.shiftctrl; pio1->sm[G_DAT0_SM].shiftctrl = c.shiftctrl;
// set y to amount of data ticks to skip // set y to amount of data ticks to skip
val = 528 * 300 / 25; val = 528 * 200 / 25;
for (int i = 5; i >= 0; i--) { for (int i = 5; i >= 0; i--) {
pio_sm_exec(pio1, G_DAT0_SM, pio_encode_set(pio_y, (val >> i*4) & 15)); pio_sm_exec(pio1, G_DAT0_SM, pio_encode_set(pio_y, (val >> i*4) & 15));
pio_sm_exec(pio1, G_DAT0_SM, pio_encode_in(pio_y, 4)); pio_sm_exec(pio1, G_DAT0_SM, pio_encode_in(pio_y, 4));