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This commit is contained in:
Zane Kaminski
2023-09-21 04:25:33 -04:00
parent 44bd31fe50
commit 8622e2776a
25 changed files with 944 additions and 756 deletions
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89
ram2e_hal_lcmxo2.c Normal file
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/* _spi_erase(...) */
static void ram2e_lcmxo2_rw(char we, char addr, char data) {
ram2e_cmd(0xEC, data);
ram2e_cmd(0xEC, addr);
ram2e_cmd(0xED, we ? 1 : 0);
}
static void ram2e_lcmxo2_open() { ram2e_lcmxo2_rw(1, 0x70, 0x80); }
static void ram2e_lcmxo2_close() { ram2e_lcmxo2_rw(1, 0x70, 0x00); }
static void ram2e_lcmxo2_cmd_op3(char cmd, char op1, char op2, char op3) {
ram2e_lcmxo2_open();
ram2e_lcmxo2_rw(1, 0x71, cmd); // Command
ram2e_lcmxo2_rw(1, 0x71, op1); // Operand 1/3
ram2e_lcmxo2_rw(1, 0x71, op2); // Operand 2/3
ram2e_lcmxo2_rw(1, 0x71, op3); // Operand 3/3
}
static void ram2e_lcmxo2_encfg() {
ram2e_lcmxo2_cmd_op3(0x74, 0x08, 0x00, 0x00);
ram2e_lcmxo2_close();
}
static void ram2e_lcmxo2_discfg() {
ram2e_lcmxo2_cmd_op3(0x26, 0x08, 0x00, 0x00);
ram2e_lcmxo2_close();
}
static void ram2e_lcmxo2_bypass() {
ram2e_lcmxo2_open();
ram2e_lcmxo2_rw(1, 0x71, 0xFF); // Command
ram2e_lcmxo2_close();
}
static void ram2e_lcmxo2_pollstat() {
ram2e_lcmxo2_cmd_op3(0x3C, 0x00, 0x00, 0x00);
ram2e_lcmxo2_rw(0, 0x73, 0x00); // Data 1/4
ram2e_lcmxo2_rw(0, 0x73, 0x00); // Data 2/4
ram2e_lcmxo2_rw(0, 0x73, 0x00); // Data 3/4
ram2e_lcmxo2_rw(0, 0x73, 0x00); // Data 4/4
ram2e_lcmxo2_close();
}
static void ram2e_lcmxo2_erase() {
// Enable configuration interface
ram2e_lcmxo2_encfg();
// Poll status register
ram2e_lcmxo2_pollstat();
// Erase UFM
ram2e_lcmxo2_cmd_op3(0xCB, 0x00, 0x00, 0x00);
ram2e_lcmxo2_close();
}
static void ram2e_lcmxo2_save(char mask, char enled) {
char i;
// Poll status register
ram2e_lcmxo2_pollstat();
// Disable configuration interface
ram2e_lcmxo2_discfg();
// Bypass
ram2e_lcmxo2_bypass();
// Enable configuration interface
ram2e_lcmxo2_encfg();
// Poll status register
ram2e_lcmxo2_pollstat();
// Set UFM address
ram2e_lcmxo2_cmd_op3(0xB4, 0x00, 0x00, 0x00);
ram2e_lcmxo2_rw(1, 0x71, 0x40); // Data 1/4
ram2e_lcmxo2_rw(1, 0x71, 0x00); // Data 2/4
ram2e_lcmxo2_rw(1, 0x71, 0x00); // Data 3/4
ram2e_lcmxo2_rw(1, 0x71, 190); // Data 4/4
ram2e_lcmxo2_close();
// Write UFM page
ram2e_lcmxo2_cmd_op3(0xC9, 0x00, 0x00, 0x01);
// Data 0
mask = (mask & 0x80) | (~mask & 0x7F);
ram2e_lcmxo2_rw(1, 0x71, mask);
// Data 1
if (enled) ram2e_lcmxo2_rw(1, 0x71, 1);
else ram2e_lcmxo2_rw(1, 0x71, 0);
// Data 2-15
for (i = 2; i < 16; i++) {
ram2e_lcmxo2_rw(1, 0x71, 0x00);
}
ram2e_lcmxo2_close();
// Poll status register
ram2e_lcmxo2_pollstat();
// Disable configuration interface
ram2e_lcmxo2_discfg();
// Bypass
ram2e_lcmxo2_bypass();
}