/**
* \brief Set maXTouch configuration
*
* This function writes a set of predefined, optimal maXTouch configuration data
* to the maXTouch Xplained Pro.
*
* \param device Pointer to mxt_device struct
*/
static void mxt_init(struct mxt_device *device)
{
enum status_code status;
/* T8 configuration object data */
uint8_t t8_object[] = {
0x0d, 0x00, 0x05, 0x0a, 0x4b, 0x00, 0x00,
0x00, 0x32, 0x19
};
/* T9 configuration object data */
uint8_t t9_object[] = {
0x8B, 0x00, 0x00, 0x0E, 0x08, 0x00, 0x80,
0x32, 0x05, 0x02, 0x0A, 0x03, 0x03, 0x20,
0x02, 0x0F, 0x0F, 0x0A, 0x00, 0x00, 0x00,
0x00, 0x18, 0x18, 0x20, 0x20, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x02,
0x02
};
/* T46 configuration object data */
uint8_t t46_object[] = {
0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x03,
0x00, 0x00
};
/* T56 configuration object data */
uint8_t t56_object[] = {
0x02, 0x00, 0x01, 0x18, 0x1E, 0x1E, 0x1E,
0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
0x1E, 0x1E, 0x1E, 0x1E, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
/* TWI configuration */
twihs_master_options_t twi_opt = {
.speed = MXT_TWI_SPEED,
.chip = MAXTOUCH_TWI_ADDRESS,
};
status = (enum status_code)twihs_master_setup(MAXTOUCH_TWI_INTERFACE, &twi_opt);
Assert(status == STATUS_OK);
/* Initialize the maXTouch device */
status = mxt_init_device(device, MAXTOUCH_TWI_INTERFACE,
MAXTOUCH_TWI_ADDRESS, MAXTOUCH_XPRO_CHG_PIO);
Assert(status == STATUS_OK);
/* Issue soft reset of maXTouch device by writing a non-zero value to
* the reset register */
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_COMMANDPROCESSOR_T6, 0)
+ MXT_GEN_COMMANDPROCESSOR_RESET, 0x01);
/* Wait for the reset of the device to complete */
delay_ms(MXT_RESET_TIME);
/* Write data to configuration registers in T7 configuration object */
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_POWERCONFIG_T7, 0) + 0, 0x20);
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_POWERCONFIG_T7, 0) + 1, 0x10);
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_POWERCONFIG_T7, 0) + 2, 0x4b);
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_POWERCONFIG_T7, 0) + 3, 0x84);
/* Write predefined configuration data to configuration objects */
mxt_write_config_object(device, mxt_get_object_address(device,
MXT_GEN_ACQUISITIONCONFIG_T8, 0), &t8_object);
mxt_write_config_object(device, mxt_get_object_address(device,
MXT_TOUCH_MULTITOUCHSCREEN_T9, 0), &t9_object);
mxt_write_config_object(device, mxt_get_object_address(device,
MXT_SPT_CTE_CONFIGURATION_T46, 0), &t46_object);
mxt_write_config_object(device, mxt_get_object_address(device,
MXT_PROCI_SHIELDLESS_T56, 0), &t56_object);
/* Issue recalibration command to maXTouch device by writing a non-zero
* value to the calibrate register */
mxt_write_config_reg(device, mxt_get_object_address(device,
MXT_GEN_COMMANDPROCESSOR_T6, 0)
+ MXT_GEN_COMMANDPROCESSOR_CALIBRATE, 0x01);
}
/**
* \brief Application entry point for AT24MACXX Component Example.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uint32_t i;
twihs_options_t opt;
/* Initialize the SAM system */
sysclk_init();
/* Initialize the board */
board_init();
/* Turn off LEDs */
ioport_set_pin_level(LED0_GPIO, LED0_INACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_INACTIVE_LEVEL);
/* Initialize the console UART */
configure_console();
/* Output example information */
puts(STRING_HEADER);
/* Configure systick for 1 ms */
puts("Configure system tick to get 1ms tick period.\r");
if (SysTick_Config(sysclk_get_cpu_hz() / 1000)) {
puts("-E- Systick configuration error\r");
while (1) {
/* Capture error */
}
}
/* Configure the options of TWI driver */
opt.master_clk = sysclk_get_cpu_hz();
opt.speed = AT24MAC_TWIHS_CLK;
if (twihs_master_setup(BOARD_AT24MAC_TWIHS_INSTANCE, &opt) != TWIHS_SUCCESS) {
puts("AT24MACXX initialization is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
at24macxx_reset();
/* Fill EEPROM with memory pattern */
if (at24macxx_fill_pattern(AT24MAC_MEM_ADDR,
AT24MAC_MEM_ADDR + TEST_DATA_LENGTH - 1,
MEMORY_PATTERN) != AT24MAC_WRITE_SUCCESS) {
puts("AT24MACXX pattern fill is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
/* Wait at least 10 ms */
mdelay(WAIT_TIME);
if (at24macxx_read_continuous(AT24MAC_MEM_ADDR, TEST_DATA_LENGTH,
test_data_rx) != AT24MAC_READ_SUCCESS) {
puts("AT24MACXX read packet is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
/* Compare the sent and the received */
for (i = 0; i < TEST_DATA_LENGTH; i++) {
if (MEMORY_PATTERN != test_data_rx[i]) {
/* No match */
puts("Pattern comparison: Unmatched!\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
}
puts("Pattern comparison: Matched!\r");
/* Send test data to EEPROM */
if (at24macxx_write_continuous(AT24MAC_MEM_ADDR, TEST_DATA_LENGTH,
test_data_tx) != AT24MAC_WRITE_SUCCESS) {
puts("AT24MACXX write packet is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
/* Wait at least 10 ms */
mdelay(WAIT_TIME);
/* Get memory from EEPROM */
if (at24macxx_read_continuous(AT24MAC_MEM_ADDR, TEST_DATA_LENGTH,
test_data_rx) != AT24MAC_READ_SUCCESS) {
puts("AT24MACXX read packet is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
/* Compare the sent and the received */
for (i = 0; i < TEST_DATA_LENGTH; i++) {
if (test_data_tx[i] != test_data_rx[i]) {
/* No match */
puts("Data comparison: Unmatched!\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
}
/* Match */
puts("Data comparison: Matched!\r");
/* Page Operation */
for (i = 0; i < PAGE_SIZE; i++) {
page_read_buf[i] = 0;
page_write_buf[i] = i;
}
if (at24macxx_write_page(PAGE_ADDR, PAGE_SIZE, page_write_buf) !=
AT24MAC_WRITE_SUCCESS) {
puts("AT24MACXX page write is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
if (at24macxx_read_page(PAGE_ADDR, PAGE_SIZE, page_read_buf) !=
AT24MAC_READ_SUCCESS) {
puts("AT24MACXX page read is failed.\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
for (i = 0; i < PAGE_SIZE; i++) {
if (page_read_buf[i] != page_write_buf[i]) {
/* No match */
puts("Page comparison: Unmatched!\r");
ioport_set_pin_level(LED0_GPIO, LED0_ACTIVE_LEVEL);
ioport_set_pin_level(LED1_GPIO, LED1_ACTIVE_LEVEL);
while (1) {
/* Capture error */
}
}
}
/* Match */
puts("Page comparison: Matched!\r");
while (1) {
}
}
