add pico_multi_booter code

Code/pico_multi_booter/picomite/picocalc/conf_app.h

@@ -0,0 +1,31 @@
+#ifndef CONF_APP_H
+#define CONF_APP_H
+
+#define SLAVE_ADDRESS      0x1F
+#define FIFO_SIZE        31
+
+#define INT_DURATION_MS  1
+
+#ifndef CONFIG_PMU_SDA
+#define CONFIG_PMU_SDA PB11
+#endif
+
+#ifndef CONFIG_PMU_SCL
+#define CONFIG_PMU_SCL PB10
+#endif
+
+#ifndef CONFIG_PMU_IRQ
+#define CONFIG_PMU_IRQ PC9
+#endif
+
+
+#define LOW_BAT_VAL 20
+#define LCD_BACKLIGHT_STEP 10
+
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1 << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1 << (bit)))
+#define bitWrite(value, bit, bitvalue) ((bitvalue) ? bitSet((value), (bit)) : bitClear((value), (bit) ))
+
+#endif

Code/pico_multi_booter/picomite/picocalc/i2ckbd.c

@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <pico/stdio.h>
+#include "i2ckbd.h"
+
+static uint8_t i2c_inited = 0;
+
+void init_i2c_kbd() {
+    //gpio_set_function(I2C_KBD_SCL, GPIO_FUNC_I2C);
+    //gpio_set_function(I2C_KBD_SDA, GPIO_FUNC_I2C);
+    //i2c_init(I2C_KBD_MOD, I2C_KBD_SPEED);
+    //gpio_pull_up(I2C_KBD_SCL);
+    //gpio_pull_up(I2C_KBD_SDA);
+
+    i2c_inited = 1;
+}
+
+int read_i2c_kbd() {
+    int retval;
+    static int ctrlheld = 0;
+    uint16_t buff = 0;
+    unsigned char msg[2];
+    int c = -1;
+    msg[0] = 0x09;
+
+    if (i2c_inited == 0) return -1;
+
+    retval = i2c_write_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, msg, 1, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_i2c_kbd i2c write error\n");
+        return -1;
+    }
+
+    sleep_ms(16);
+    retval = i2c_read_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, (unsigned char *) &buff, 2, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_i2c_kbd i2c read error read\n");
+        return -1;
+    }
+
+    if (buff != 0) {
+        if (buff == 0x7e03)ctrlheld = 0;
+        else if (buff == 0x7e02) {
+            ctrlheld = 1;
+        } else if ((buff & 0xff) == 1) {//pressed
+            c = buff >> 8;
+            int realc = -1;
+            switch (c) {
+                default:
+                    realc = c;
+                    break;
+            }
+            c = realc;
+            if (c >= 'a' && c <= 'z' && ctrlheld)c = c - 'a' + 1;
+        }
+        return c;
+    }
+    return -1;
+}
+
+int read_battery() {
+    int retval;
+    uint16_t buff = 0;
+    unsigned char msg[2];
+    msg[0] = 0x0b;
+
+    if (i2c_inited == 0) return -1;
+
+    retval = i2c_write_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, msg, 1, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_battery i2c write error\n");
+        return -1;
+    }
+    sleep_ms(16);
+    retval = i2c_read_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, (unsigned char *) &buff, 2, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_battery i2c read error read\n");
+        return -1;
+    }
+
+    if (buff != 0) {
+        return buff;
+    }
+    return -1;
+}
+
+int set_kbd_backlight(uint8_t val){
+    int retval;
+    uint16_t buff = 0;
+    unsigned char msg[2];
+    msg[0] = 0x0A;
+    msg[1] = val;
+    bitSet(msg[0],7);
+
+    if (i2c_inited == 0) return -1;
+
+    retval = i2c_write_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, msg, 2, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_battery i2c write error\n");
+        return -1;
+    }
+    sleep_ms(16);
+    retval = i2c_read_timeout_us(I2C_KBD_MOD, I2C_KBD_ADDR, (unsigned char *) &buff, 2, false, 500000);
+    if (retval == PICO_ERROR_GENERIC || retval == PICO_ERROR_TIMEOUT) {
+        printf("read_battery i2c read error read\n");
+        return -1;
+    }
+
+    if (buff != 0) {
+        return buff;
+    }
+    return -1;
+}

Code/pico_multi_booter/picomite/picocalc/i2ckbd.h

@@ -0,0 +1,25 @@
+#ifndef I2C_KEYBOARD_H
+#define I2C_KEYBOARD_H
+#include <pico/stdlib.h>
+#include <pico/platform.h>
+#include <hardware/gpio.h>
+#include <hardware/i2c.h>
+
+#define I2C_KBD_MOD i2c1
+#define I2C_KBD_SDA 6
+#define I2C_KBD_SCL 7
+
+#define I2C_KBD_SPEED  10000 // if dual i2c, then the speed of keyboard i2c should be 10khz
+
+#define I2C_KBD_ADDR 0x1F
+
+void init_i2c_kbd();
+int read_i2c_kbd();
+int read_battery();
+int set_kbd_backlight(uint8_t);
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitClear(value, bit) ((value) &= ~(1 << (bit)))
+#define bitSet(value, bit) ((value) |= (1 << (bit)))
+
+#endif