asgardius/pinephone-keyboard
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Allow to switch to bootloader mode via FN+PINE+F

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This commit is contained in:
Ondrej Jirman 2021-06-15 09:21:31 +02:00
parent 8a6af7acf7
commit e59f647d83
1 changed files with 7 additions and 17 deletions
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24
firmware/main.c
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@ -214,7 +214,6 @@ static uint8_t i2c_addr = 0;
static uint8_t i2c_regs[I2C_N_REGS] = {0xaa, 0x55}; static uint8_t i2c_regs[I2C_N_REGS] = {0xaa, 0x55};
static uint8_t i2c_cmd[I2C_N_REGS]; static uint8_t i2c_cmd[I2C_N_REGS];
static uint8_t i2c_cmd_len = 0; static uint8_t i2c_cmd_len = 0;
static uint8_t go_boot = 0;
void i2c_b_interupt(void) __interrupt(IRQ_I2CB) void i2c_b_interupt(void) __interrupt(IRQ_I2CB)
{ {
@ -239,15 +238,6 @@ void i2c_b_interupt(void) __interrupt(IRQ_I2CB)
if (i2c_cmd_len < 16) if (i2c_cmd_len < 16)
i2c_cmd[i2c_cmd_len++] = tmp; i2c_cmd[i2c_cmd_len++] = tmp;
if (i2c_cmd_len) {
if (i2c_cmd[0] == 0xa0)
ext_int_assert();
else if (i2c_cmd[0] == 0xa1)
ext_int_deassert();
else if (i2c_cmd[0] == 0xa2)
go_boot = 1;
}
PAGESW = 0; PAGESW = 0;
P0_I2CBCR1 &= ~BIT(7); // clear data pending P0_I2CBCR1 &= ~BIT(7); // clear data pending
@ -359,13 +349,6 @@ void main(void)
keyscan_idle(); keyscan_idle();
while (1) { while (1) {
if (go_boot) {
EA = 0;
__asm__("mov r6,#0x5a");
__asm__("mov r7,#0xe7");
__asm__("ljmp 0x0118");
}
if (scan_active) { if (scan_active) {
uint8_t active_rows = keyscan_scan(i2c_regs + 4); uint8_t active_rows = keyscan_scan(i2c_regs + 4);
if (!active_rows) { if (!active_rows) {
@ -377,6 +360,13 @@ void main(void)
//__asm__("nop"); //__asm__("nop");
} }
if (i2c_regs[4 + 0] & BIT(2) && i2c_regs[4 + 2] & BIT(5) && i2c_regs[4 + 4] & BIT(2)) {
EA = 0;
__asm__("mov r6,#0x5a");
__asm__("mov r7,#0xe7");
__asm__("ljmp 0x0118");
}
continue; continue;
} }