b6316c5024
* Add i2c scanner keymap * Add bodge for chibios * Fix readme title * make chibios bodge a little cleaner * fix typo in readme
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#include QMK_KEYBOARD_H
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#include "i2c_master.h"
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#include "debug.h"
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#define TIMEOUT 50
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// TODO: remove patch
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#ifdef PROTOCOL_CHIBIOS
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# pragma message("ChibiOS is currently 'best effort' and might not report accurate results")
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i2c_status_t i2c_start_bodge(uint8_t address, uint16_t timeout) {
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i2c_start(address);
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// except on ChibiOS where the only way is do do "something"
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uint8_t data = 0;
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return i2c_readReg(address, 0, &data, sizeof(data), TIMEOUT);
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}
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# define i2c_start i2c_start_bodge
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#endif
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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LAYOUT(KC_A) //
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};
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void do_scan(void) {
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uint8_t nDevices = 0;
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dprintf("Scanning...\n");
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for (uint8_t address = 1; address < 127; address++) {
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// The i2c_scanner uses the return value of
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// i2c_start to see if a device did acknowledge to the address.
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i2c_status_t error = i2c_start(address << 1, TIMEOUT);
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if (error == I2C_STATUS_SUCCESS) {
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i2c_stop();
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dprintf(" I2C device found at address 0x%02X\n", address);
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nDevices++;
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} else {
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// dprintf(" Unknown error (%u) at address 0x%02X\n", error, address);
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}
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}
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if (nDevices == 0)
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dprintf("No I2C devices found\n");
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else
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dprintf("done\n");
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}
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uint16_t scan_timer = 0;
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void matrix_scan_user(void) {
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if (timer_elapsed(scan_timer) > 5000) {
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do_scan();
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scan_timer = timer_read();
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}
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}
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void keyboard_post_init_user(void) {
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debug_enable = true;
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debug_matrix = true;
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i2c_init();
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scan_timer = timer_read();
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}
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