void settings_init(uint8_t * addr)
{
uint8_t *src_p, *dst_p;
uint8_t *ptr;
uint8_t right, left;
uint8_t i;
src_p = addr;
dst_p = (uint8_t *) & s;
if ((*src_p) != VERSION) {
src_p = (uint8_t *) & defaults;
}
for (i = 0; i < sizeof(s); i++) {
*dst_p++ = *src_p++;
}
// apply settings to hardware
ptr = (uint8_t *) & s.v;
for (i = 1; i < 7; i++) {
right = *(ptr + (i * 2 - 2));
left = *(ptr + (i * 2 - 2) + 1);
if ((left != 0) && (right != 0)) {
pga_set_volume(i, right, left, 0, 0);
}
if (s.mute_flag & (1 << (i - 1))) {
pga_set_mute_st(i, UNMUTE, 0);
} else {
pga_set_mute_st(i, MUTE, 0);
}
}
}
static void i2c_rx_irq(enum sys_message msg)
{
uint8_t *flash_addr = FLASH_ADDR;
uint8_t cmd = i2c_rx_buff[0];
uint8_t arg = i2c_rx_buff[1];
uint8_t mute_st = i2c_rx_buff[2];
uint8_t vol_r = i2c_rx_buff[3];
uint8_t vol_l = i2c_rx_buff[4];
switch (cmd) {
case M_CMD_WRITE:
if (arg == 2) {
flash_addr = SEGMENT_C;
} else if (arg == 3) {
flash_addr = SEGMENT_D;
} else {
flash_addr = SEGMENT_B;
}
flash_save(flash_addr, (void *)&s, sizeof(s));
break;
case M_CMD_READ:
if (arg == 2) {
flash_addr = SEGMENT_C;
} else if (arg == 3) {
flash_addr = SEGMENT_D;
} else {
flash_addr = SEGMENT_B;
}
settings_init(flash_addr);
break;
case M_CMD_VOL:
if ((0 < arg) && (arg < 7) && ((mute_st == MUTE) || (mute_st == UNMUTE))) {
pga_set_volume(arg, vol_r, vol_l, 1, 1);
if (mute_st != mixer_get_mute_struct(arg)) {
if (mute_st == MUTE) {
pga_set_mute_st(arg, MUTE, 1);
} else {
pga_set_mute_st(arg, UNMUTE, 1);
}
}
}
break;
case M_CMD_MUTE:
if ((0 < arg) && (arg < 7)) {
pga_set_mute_st(arg, MUTE, 1);
}
break;
case M_CMD_UNMUTE:
if ((0 < arg) && (arg < 7)) {
pga_set_mute_st(arg, UNMUTE, 1);
}
break;
}
i2c_rx_rdy = 1;
}
static void uart1_rx_irq(enum sys_message msg)
{
uint16_t u16;
uint8_t p;
uint8_t pga, ch, left = 0, right = 0;
uint8_t *flash_addr = FLASH_ADDR;
char *input;
uint8_t *ptr;
uint8_t allfine = 0;
input = (char *)uart1_rx_buf;
p = input[0];
if (p > 97) {
p -= 32;
}
if ((p == 63) || (p == M_CMD_HELP)) { // [h?]
display_help();
} else if (p == M_CMD_SHOW) { // [s]how settings
show_settings();
uart1_tx_str("ok\r\n", 4);
} else if (p == M_CMD_WRITE) { // [w]rite to flash
if (str_to_uint16(input, &u16, 1, 1, 1, 3)) {
if (u16 == 1) {
flash_addr = SEGMENT_B;
} else if (u16 == 2) {
flash_addr = SEGMENT_C;
} else if (u16 == 3) {
flash_addr = SEGMENT_D;
}
flash_save(flash_addr, (void *)&s, sizeof(s));
uart1_tx_str("ok\r\n", 4);
}
} else if (p == M_CMD_READ) { // [r]ead from flash
if (str_to_uint16(input, &u16, 1, 1, 1, 3)) {
if (u16 == 1) {
flash_addr = SEGMENT_B;
} else if (u16 == 2) {
flash_addr = SEGMENT_C;
} else if (u16 == 3) {
flash_addr = SEGMENT_D;
}
settings_init(flash_addr);
uart1_tx_str("ok\r\n", 4);
}
} else if (p == M_CMD_MUTE) { // [m]ute pga
if (str_to_uint16(input, &u16, 1, 1, 1, 6)) {
pga = u16;
pga_set_mute_st(pga, MUTE, 1);
uart1_tx_str("ok\r\n", 4);
}
} else if (p == M_CMD_UNMUTE) { // [u]nmute pga
if (str_to_uint16(input, &u16, 1, 1, 1, 6)) {
pga = u16;
pga_set_mute_st(pga, UNMUTE, 1);
uart1_tx_str("ok\r\n", 4);
}
} else if (p == M_CMD_VOL) { // [v]olume set
if (str_to_uint16(input, &u16, 1, 1, 1, 6)) {
pga = u16;
ch = input[2];
if (str_to_uint16(input, &u16, 3, strlen(input) - 3, 0, 255)) {
ptr = (uint8_t *) & s.v1_r;
if (ch == 98) {
// 'b' - change both channels
right = u16;
left = u16;
allfine = 1;
} else if (ch == 114) {
// 'r' - only change the right channel
right = u16;
left = *(ptr + (pga * 2 - 2) + 1);
allfine = 1;
} else if (ch == 108) {
// 'l' - only change the left channel
right = *(ptr + (pga * 2 - 2));
left = u16;
allfine = 1;
}
if (allfine) {
pga_set_volume(pga, right, left, 1, 1);
uart1_tx_str("ok\r\n", 4);
}
}
}
}
//snprintf(str_temp, TEMP_LEN, "D 0x%x 0x%x 0x%x\r\n", input[0], input[1], input[2]);
//uart1_tx_str(str_temp, strlen(str_temp));
uart1_p = 0;
uart1_rx_enable = 1;
}
