int radio_setup_2g()
{
gpio_pin_output(RADIO_GPIO_BB_MUX_SEL, OFF);
gpio_pulldown_configure(RADIO_BB_PULLDOWN, GPIOPDDown);
gpio_pin_output(RADIO_GPIO_BB_ON, OFF);
udelay(100000);
gpio_pin_output(RADIO_GPIO_RADIO_ON, ON);
udelay(100000);
gpio_pin_output(RADIO_GPIO_BB_RESET, ON);
udelay(100000);
gpio_pin_output(RADIO_GPIO_BB_RESET, OFF);
udelay(100000);
gpio_pin_use_as_input(RADIO_GPIO_BB_DETECT);
if(gpio_pin_state(RADIO_GPIO_BB_DETECT) != 0)
{
bufferPrintf("radio: comm board not present, powered on, or at+xdrv=10,2 had been issued.\r\n");
return -1;
}
bufferPrintf("radio: comm board detected.\r\n");
if(!radio_wait_for_ok(10))
{
bufferPrintf("radio: no response from baseband!\r\n");
return -1;
}
bufferPrintf("radio: setting speed to 750000 baud.\r\n");
radio_write("at+ipr=750000\r\n");
// wait a millisecond for the command to totally clear uart
// I wasn't able to detect this condition with uart registers (looking at FIFO count, transmitter empty)
udelay(1000);
uart_set_baud_rate(RADIO_UART, 750000);
if(!radio_wait_for_ok(10))
{
bufferPrintf("radio: no response from baseband!\r\n");
return -1;
}
RadioAvailable = TRUE;
bufferPrintf("radio: ready.\r\n");
speaker_setup();
return 0;
}
int gpio_setup() {
uint8_t v[9];
if (!(GET_REG(POWERID) & 1)) {
gpio_pin_use_as_input(0x107);
gpio_pin_use_as_input(0x106);
gpio_pin_use_as_input(0x105);
gpio_pin_use_as_input(0x104);
gpio_pin_use_as_input(0x103);
gpio_pin_use_as_input(0x102);
gpio_pin_use_as_input(0x101);
gpio_pin_use_as_input(0x100);
udelay(50);
v[0] = CHIPID_GET_GPIO(chipid_get_gpio());
v[1] = gpio_pin_state(0x104);
v[2] = gpio_pin_state(0x105);
v[3] = gpio_pin_state(0x106);
v[4] = gpio_pin_state(0x107);
v[5] = gpio_pin_state(0x100);
v[6] = gpio_pin_state(0x101);
v[7] = gpio_pin_state(0x102);
v[8] = gpio_pin_state(0x103);
gpio_pin_reset(0x107);
gpio_pin_reset(0x106);
gpio_pin_reset(0x105);
gpio_pin_reset(0x104);
gpio_pin_reset(0x103);
gpio_pin_reset(0x102);
gpio_pin_reset(0x101);
gpio_pin_reset(0x100);
uint32_t new_status = ((v[0] << 3 | v[1] << 2 | v[2] << 1 | v[3]) << 16) | ((v[4] << 3 | v[5] << 2 | v[6] << 1 | v[7]) << 8) | 1;
SET_REG(POWERID, (GET_REG(POWERID) & 0xFF000000) | (new_status & 0xFFFFFF));
}
return 0;
}
int radio_setup_3g()
{
gpio_pulldown_configure(RADIO_BB_PULLDOWN, GPIOPDDown);
pmu_gpio(RADIO_GPIO_BB_ON, TRUE, OFF);
udelay(100000);
gpio_pin_output(RADIO_GPIO_RADIO_ON, ON);
udelay(100000);
gpio_pin_output(RADIO_GPIO_BB_RESET, ON);
udelay(100000);
gpio_pin_output(RADIO_GPIO_BB_RESET, OFF);
udelay(100000);
gpio_pin_use_as_input(RADIO_GPIO_RESET_DETECT);
if(gpio_pin_state(RADIO_GPIO_RESET_DETECT) != 1)
{
bufferPrintf("radio: comm board not present, powered on, or at+xdrv=10,2 had been issued.\r\n");
return -1;
}
bufferPrintf("radio: comm board detected.\r\n");
if(!radio_wait_for_ok(10))
{
bufferPrintf("radio: no response from baseband!\r\n");
return -1;
}
RadioAvailable = TRUE;
bufferPrintf("radio: ready.\r\n");
speaker_setup();
return 0;
}
